From eab9be8105ac8e2241b63737f75f8df045383c62 Mon Sep 17 00:00:00 2001
From: FranzYuri <86535872+FranzYuri@users.noreply.github.com>
Date: Fri, 5 Nov 2021 02:50:31 -0300
Subject: [PATCH 01/16] Update Environment.py

---
 rocketpy/Environment.py | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/rocketpy/Environment.py b/rocketpy/Environment.py
index 26b8102fc..2e84fbcb6 100644
--- a/rocketpy/Environment.py
+++ b/rocketpy/Environment.py
@@ -9,6 +9,7 @@
 import bisect
 import warnings
 import time
+import pytz
 from datetime import datetime, timedelta
 from inspect import signature, getsourcelines
 from collections import namedtuple
@@ -346,6 +347,12 @@ def __init__(
             self.setDate(date)
         else:
             self.date = None
+            
+        # Save local date
+        self.local_date = None
+
+        # Save local time zone
+        self.time_zone = None
 
         # Initialize constants
         self.earthRadius = 6.3781 * (10 ** 6)
@@ -380,12 +387,15 @@ def __init__(
 
     def setDate(self, date):
         """Set date and time of launch and update weather conditions if
-        date dependent atmospheric model is used.
+        date dependent atmospheric model is used. To see all time zones use
+        print(pytz.all_timezones).
 
         Parameters
         ----------
         date : Date
             Date object specifying launch date and time.
+        time_zone : string, optional
+            Name of the time zone.
 
         Return
         ------
@@ -394,6 +404,11 @@ def setDate(self, date):
         # Store date
         self.date = datetime(*date)
 
+        if time_zone != None:
+            self.time_zone = time_zone
+            tz = pytz.timezone(self.time_zone)
+            self.local_date = self.date.replace(tzinfo=pytz.UTC).astimezone(tz)
+
         # Update atmospheric conditions if atmosphere type is Forecast,
         # Reanalysis or Ensemble
         try:
@@ -2823,6 +2838,8 @@ def info(self):
         print("\nLaunch Rail Length: ", self.rL, " m")
         if self.date != None:
             print("Launch Date: ", self.date, " UTC")
+        if self.local_date != None:
+            print("Launch Date: ", self.local_date, self.time_zone)
         if self.lat != None and self.lon != None:
             print("Launch Site Latitude: {:.5f}°".format(self.lat))
             print("Launch Site Longitude: {:.5f}°".format(self.lon))
@@ -2950,6 +2967,8 @@ def allInfo(self):
         print("\nLaunch Rail Length: ", self.rL, " m")
         if self.date != None:
             print("Launch Date: ", self.date, " UTC")
+        if self.local_date != None:
+            print("Launch Date: ", self.local_date, self.time_zone)
         if self.lat != None and self.lon != None:
             print("Launch Site Latitude: {:.5f}°".format(self.lat))
             print("Launch Site Longitude: {:.5f}°".format(self.lon))

From 5a0decf0fc5d15f082e7f1360f2250e07af7719a Mon Sep 17 00:00:00 2001
From: Franz Masatoshi Yuri <franz.yuri.ismart@gmail.com>
Date: Tue, 9 Nov 2021 03:35:49 -0300
Subject: [PATCH 02/16] commit on 'enh/utc_time'

---
 rocketpy/Environment.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/rocketpy/Environment.py b/rocketpy/Environment.py
index 2e84fbcb6..65663f16c 100644
--- a/rocketpy/Environment.py
+++ b/rocketpy/Environment.py
@@ -347,7 +347,7 @@ def __init__(
             self.setDate(date)
         else:
             self.date = None
-            
+
         # Save local date
         self.local_date = None
 
@@ -385,7 +385,7 @@ def __init__(
 
         return None
 
-    def setDate(self, date):
+    def setDate(self, date, time_zone = None):
         """Set date and time of launch and update weather conditions if
         date dependent atmospheric model is used. To see all time zones use
         print(pytz.all_timezones).

From 73962a1d4c5f8f3f02f783fd5633af091847edea Mon Sep 17 00:00:00 2001
From: Franz Masatoshi Yuri <franz.yuri.ismart@gmail.com>
Date: Tue, 9 Nov 2021 03:39:44 -0300
Subject: [PATCH 03/16] commit on 'enh/utc_time'

---
 rocketpy/Environment.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rocketpy/Environment.py b/rocketpy/Environment.py
index 65663f16c..49e94e9eb 100644
--- a/rocketpy/Environment.py
+++ b/rocketpy/Environment.py
@@ -385,7 +385,7 @@ def __init__(
 
         return None
 
-    def setDate(self, date, time_zone = None):
+    def setDate(self, date, time_zone=None):
         """Set date and time of launch and update weather conditions if
         date dependent atmospheric model is used. To see all time zones use
         print(pytz.all_timezones).

From c322a4986ac3c938b1c834b47f0b1213de6ef5ba Mon Sep 17 00:00:00 2001
From: FranzYuri <86535872+FranzYuri@users.noreply.github.com>
Date: Thu, 11 Nov 2021 16:50:30 -0300
Subject: [PATCH 04/16] Update requirements.txt

---
 requirements.txt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/requirements.txt b/requirements.txt
index 30001b109..4a59f377b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,4 +2,5 @@ numpy>=1.0
 scipy>=1.0
 matplotlib>=3.0
 netCDF4>=1.4
-requests
\ No newline at end of file
+requests
+pytz

From 8ad3df61e4d5abc4f57e0fb7a709cbad1883e238 Mon Sep 17 00:00:00 2001
From: Franz Masatoshi Yuri <franz.yuri.ismart@gmail.com>
Date: Mon, 3 Jan 2022 03:56:21 -0300
Subject: [PATCH 05/16] commit on 'enh/utc_time'

---
 rocketpy/Environment.py | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/rocketpy/Environment.py b/rocketpy/Environment.py
index 49e94e9eb..dceaec1a8 100644
--- a/rocketpy/Environment.py
+++ b/rocketpy/Environment.py
@@ -385,15 +385,15 @@ def __init__(
 
         return None
 
-    def setDate(self, date, time_zone=None):
+    def setDate(self, date, time_zone='UTC'):
         """Set date and time of launch and update weather conditions if
         date dependent atmospheric model is used. To see all time zones use
         print(pytz.all_timezones).
 
         Parameters
         ----------
-        date : Date
-            Date object specifying launch date and time.
+        date : Datetime
+            Datetime object specifying launch date and time.
         time_zone : string, optional
             Name of the time zone.
 
@@ -402,12 +402,13 @@ def setDate(self, date, time_zone=None):
         None
         """
         # Store date
-        self.date = datetime(*date)
-
-        if time_zone != None:
-            self.time_zone = time_zone
-            tz = pytz.timezone(self.time_zone)
-            self.local_date = self.date.replace(tzinfo=pytz.UTC).astimezone(tz)
+        self.time_zone = time_zone
+        tz = pytz.timezone(self.time_zone)
+        local_date = datetime(*date)
+        if local_date.tzinfo == None:
+            local_date = tz.localize(local_date)
+        self.local_date = local_date
+        self.date = self.local_date.replace(tzinfo=pytz.UTC)
 
         # Update atmospheric conditions if atmosphere type is Forecast,
         # Reanalysis or Ensemble

From 4d37d86f50ccc92a6ce2c2ad0ea538fd00fb0799 Mon Sep 17 00:00:00 2001
From: giovaniceotto <ghceotto@gmail.com>
Date: Mon, 3 Jan 2022 11:11:23 -0300
Subject: [PATCH 06/16] FEAT: add pytz to setup.py install requirements

---
 setup.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/setup.py b/setup.py
index b971b83fa..08c84e267 100644
--- a/setup.py
+++ b/setup.py
@@ -10,7 +10,8 @@
         'numpy>=1.0',
         'scipy>=1.0',
         'matplotlib>=3.0',
-        'requests'
+        'requests',
+        'pytz',
     ],
     maintainer="RocketPy Developers",
     author="Giovani Hidalgo Ceotto",

From ac46cf01f24b0e348db269e510141fa5cf8818d1 Mon Sep 17 00:00:00 2001
From: giovaniceotto <ghceotto@gmail.com>
Date: Mon, 3 Jan 2022 11:11:52 -0300
Subject: [PATCH 07/16] MAINT: minor code refactoring

---
 rocketpy/Environment.py | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/rocketpy/Environment.py b/rocketpy/Environment.py
index dceaec1a8..e51e5630f 100644
--- a/rocketpy/Environment.py
+++ b/rocketpy/Environment.py
@@ -81,7 +81,11 @@ class Environment:
         Environment.elevation : float
             Launch site elevation.
         Environment.date : datetime
-            Date time of launch.
+            Date time of launch in UTC.
+        Environment.local_date : datetime
+                    Date time of launch in the local time_zone, defined by Environment.time_zone.
+        Environment.time_zone : string
+                    Local time zone specification.
 
         Topographic informations:
         Environment.elevLonArray: array
@@ -387,21 +391,21 @@ def __init__(
 
     def setDate(self, date, time_zone='UTC'):
         """Set date and time of launch and update weather conditions if
-        date dependent atmospheric model is used. To see all time zones use
-        print(pytz.all_timezones).
+        date dependent atmospheric model is used.
 
         Parameters
         ----------
         date : Datetime
             Datetime object specifying launch date and time.
         time_zone : string, optional
-            Name of the time zone.
+            Name of the time zone. To see all time zones, import pytz and run
+        print(pytz.all_timezones). Default time zone is "UTC".
 
         Return
         ------
         None
         """
-        # Store date
+        # Store date and configure time zone
         self.time_zone = time_zone
         tz = pytz.timezone(self.time_zone)
         local_date = datetime(*date)

From 16c11070070c0080ce1b1bb356208fdda64ba134 Mon Sep 17 00:00:00 2001
From: giovaniceotto <ghceotto@gmail.com>
Date: Mon, 3 Jan 2022 11:41:31 -0300
Subject: [PATCH 08/16] FEAT: added time zone argument to Env.init

---
 rocketpy/Environment.py | 31 +++++++++++++++++--------------
 1 file changed, 17 insertions(+), 14 deletions(-)

diff --git a/rocketpy/Environment.py b/rocketpy/Environment.py
index e51e5630f..34fa9d85d 100644
--- a/rocketpy/Environment.py
+++ b/rocketpy/Environment.py
@@ -295,6 +295,7 @@ def __init__(
         longitude=0,
         elevation=0,
         datum="SIRGAS2000",
+        time_zone="UTC",
     ):
         """Initialize Environment class, saving launch rail length,
         launch date, location coordinates and elevation. Note that
@@ -331,7 +332,13 @@ def __init__(
             'Open-Elevation' which uses the Open-Elevation API to
             find elevation data. For this option, latitude and
             longitude must also be specified. Default value is 0.
-        datum:
+        datum : string
+            The desired reference ellipsoide model, the following options are
+            available: "SAD69", "WGS84", "NAD83", and "SIRGAS2000". The default
+            is "SIRGAS2000", then this model will be used if the user make some
+            typing mistake.
+        time_zone : string, optional
+            Name of the time zone. To see all time zones, import pytz and run 
 
         Returns
         -------
@@ -348,15 +355,11 @@ def __init__(
 
         # Save date
         if date != None:
-            self.setDate(date)
+            self.setDate(date, time_zone)
         else:
             self.date = None
-
-        # Save local date
-        self.local_date = None
-
-        # Save local time zone
-        self.time_zone = None
+            self.local_date = None
+            self.time_zone = None
 
         # Initialize constants
         self.earthRadius = 6.3781 * (10 ** 6)
@@ -2841,10 +2844,10 @@ def info(self):
         # Print launch site details
         print("Launch Site Details")
         print("\nLaunch Rail Length: ", self.rL, " m")
-        if self.date != None:
+        if self.date != None and 'UTC' not in self.time_zone:
+            print("Launch Date: ", self.date, " UTC |", self.local_date, self.time_zone)
+        else:
             print("Launch Date: ", self.date, " UTC")
-        if self.local_date != None:
-            print("Launch Date: ", self.local_date, self.time_zone)
         if self.lat != None and self.lon != None:
             print("Launch Site Latitude: {:.5f}°".format(self.lat))
             print("Launch Site Longitude: {:.5f}°".format(self.lon))
@@ -2970,10 +2973,10 @@ def allInfo(self):
         # Print launch site details
         print("\n\nLaunch Site Details")
         print("\nLaunch Rail Length: ", self.rL, " m")
-        if self.date != None:
+        if self.date != None and 'UTC' not in self.time_zone:
+            print("Launch Date: ", self.date, " UTC |", self.local_date, self.time_zone)
+        else:
             print("Launch Date: ", self.date, " UTC")
-        if self.local_date != None:
-            print("Launch Date: ", self.local_date, self.time_zone)
         if self.lat != None and self.lon != None:
             print("Launch Site Latitude: {:.5f}°".format(self.lat))
             print("Launch Site Longitude: {:.5f}°".format(self.lon))

From 658f478bcbb1396efba736649c637eb00f98c0ef Mon Sep 17 00:00:00 2001
From: giovaniceotto <ghceotto@gmail.com>
Date: Mon, 3 Jan 2022 11:44:21 -0300
Subject: [PATCH 09/16] MAINT: rename time_zone to timeZone, following current
 camelCase standard

---
 rocketpy/Environment.py | 30 +++++++++++++++---------------
 1 file changed, 15 insertions(+), 15 deletions(-)

diff --git a/rocketpy/Environment.py b/rocketpy/Environment.py
index 34fa9d85d..f5a0df04e 100644
--- a/rocketpy/Environment.py
+++ b/rocketpy/Environment.py
@@ -83,9 +83,9 @@ class Environment:
         Environment.date : datetime
             Date time of launch in UTC.
         Environment.local_date : datetime
-                    Date time of launch in the local time_zone, defined by Environment.time_zone.
-        Environment.time_zone : string
-                    Local time zone specification.
+                    Date time of launch in the local time zone, defined by Environment.timeZone.
+        Environment.timeZone : string
+                    Local time zone specification. See pytz for time zone info.
 
         Topographic informations:
         Environment.elevLonArray: array
@@ -295,7 +295,7 @@ def __init__(
         longitude=0,
         elevation=0,
         datum="SIRGAS2000",
-        time_zone="UTC",
+        timeZone="UTC",
     ):
         """Initialize Environment class, saving launch rail length,
         launch date, location coordinates and elevation. Note that
@@ -337,7 +337,7 @@ def __init__(
             available: "SAD69", "WGS84", "NAD83", and "SIRGAS2000". The default
             is "SIRGAS2000", then this model will be used if the user make some
             typing mistake.
-        time_zone : string, optional
+        timeZone : string, optional
             Name of the time zone. To see all time zones, import pytz and run 
 
         Returns
@@ -355,11 +355,11 @@ def __init__(
 
         # Save date
         if date != None:
-            self.setDate(date, time_zone)
+            self.setDate(date, timeZone)
         else:
             self.date = None
             self.local_date = None
-            self.time_zone = None
+            self.timeZone = None
 
         # Initialize constants
         self.earthRadius = 6.3781 * (10 ** 6)
@@ -392,7 +392,7 @@ def __init__(
 
         return None
 
-    def setDate(self, date, time_zone='UTC'):
+    def setDate(self, date, timeZone='UTC'):
         """Set date and time of launch and update weather conditions if
         date dependent atmospheric model is used.
 
@@ -400,7 +400,7 @@ def setDate(self, date, time_zone='UTC'):
         ----------
         date : Datetime
             Datetime object specifying launch date and time.
-        time_zone : string, optional
+        timeZone : string, optional
             Name of the time zone. To see all time zones, import pytz and run
         print(pytz.all_timezones). Default time zone is "UTC".
 
@@ -409,8 +409,8 @@ def setDate(self, date, time_zone='UTC'):
         None
         """
         # Store date and configure time zone
-        self.time_zone = time_zone
-        tz = pytz.timezone(self.time_zone)
+        self.timeZone = timeZone
+        tz = pytz.timezone(self.timeZone)
         local_date = datetime(*date)
         if local_date.tzinfo == None:
             local_date = tz.localize(local_date)
@@ -2844,8 +2844,8 @@ def info(self):
         # Print launch site details
         print("Launch Site Details")
         print("\nLaunch Rail Length: ", self.rL, " m")
-        if self.date != None and 'UTC' not in self.time_zone:
-            print("Launch Date: ", self.date, " UTC |", self.local_date, self.time_zone)
+        if self.date != None and 'UTC' not in self.timeZone:
+            print("Launch Date: ", self.date, " UTC |", self.local_date, self.timeZone)
         else:
             print("Launch Date: ", self.date, " UTC")
         if self.lat != None and self.lon != None:
@@ -2973,8 +2973,8 @@ def allInfo(self):
         # Print launch site details
         print("\n\nLaunch Site Details")
         print("\nLaunch Rail Length: ", self.rL, " m")
-        if self.date != None and 'UTC' not in self.time_zone:
-            print("Launch Date: ", self.date, " UTC |", self.local_date, self.time_zone)
+        if self.date != None and 'UTC' not in self.timeZone:
+            print("Launch Date: ", self.date, " UTC |", self.local_date, self.timeZone)
         else:
             print("Launch Date: ", self.date, " UTC")
         if self.lat != None and self.lon != None:

From 6394b0f2cc391b72df5daeaf80a6dd8f69a030ff Mon Sep 17 00:00:00 2001
From: giovaniceotto <ghceotto@gmail.com>
Date: Mon, 3 Jan 2022 11:46:28 -0300
Subject: [PATCH 10/16] Maint: rename local_date to LocalDate to follow
 camelCase

---
 rocketpy/Environment.py | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/rocketpy/Environment.py b/rocketpy/Environment.py
index f5a0df04e..01580d8dd 100644
--- a/rocketpy/Environment.py
+++ b/rocketpy/Environment.py
@@ -82,7 +82,7 @@ class Environment:
             Launch site elevation.
         Environment.date : datetime
             Date time of launch in UTC.
-        Environment.local_date : datetime
+        Environment.localDate : datetime
                     Date time of launch in the local time zone, defined by Environment.timeZone.
         Environment.timeZone : string
                     Local time zone specification. See pytz for time zone info.
@@ -358,7 +358,7 @@ def __init__(
             self.setDate(date, timeZone)
         else:
             self.date = None
-            self.local_date = None
+            self.localDate = None
             self.timeZone = None
 
         # Initialize constants
@@ -411,11 +411,11 @@ def setDate(self, date, timeZone='UTC'):
         # Store date and configure time zone
         self.timeZone = timeZone
         tz = pytz.timezone(self.timeZone)
-        local_date = datetime(*date)
-        if local_date.tzinfo == None:
-            local_date = tz.localize(local_date)
-        self.local_date = local_date
-        self.date = self.local_date.replace(tzinfo=pytz.UTC)
+        localDate = datetime(*date)
+        if localDate.tzinfo == None:
+            localDate = tz.localize(localDate)
+        self.localDate = localDate
+        self.date = self.localDate.replace(tzinfo=pytz.UTC)
 
         # Update atmospheric conditions if atmosphere type is Forecast,
         # Reanalysis or Ensemble
@@ -2845,7 +2845,7 @@ def info(self):
         print("Launch Site Details")
         print("\nLaunch Rail Length: ", self.rL, " m")
         if self.date != None and 'UTC' not in self.timeZone:
-            print("Launch Date: ", self.date, " UTC |", self.local_date, self.timeZone)
+            print("Launch Date: ", self.date, " UTC |", self.localDate, self.timeZone)
         else:
             print("Launch Date: ", self.date, " UTC")
         if self.lat != None and self.lon != None:
@@ -2974,7 +2974,7 @@ def allInfo(self):
         print("\n\nLaunch Site Details")
         print("\nLaunch Rail Length: ", self.rL, " m")
         if self.date != None and 'UTC' not in self.timeZone:
-            print("Launch Date: ", self.date, " UTC |", self.local_date, self.timeZone)
+            print("Launch Date: ", self.date, " UTC |", self.localDate, self.timeZone)
         else:
             print("Launch Date: ", self.date, " UTC")
         if self.lat != None and self.lon != None:

From 756381d677d5228ada0ed8f95263c90bf2bde792 Mon Sep 17 00:00:00 2001
From: giovaniceotto <ghceotto@gmail.com>
Date: Mon, 3 Jan 2022 12:04:36 -0300
Subject: [PATCH 11/16] BUG: fix conversion between local and UTC time zone
 using astimezone

---
 rocketpy/Environment.py | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/rocketpy/Environment.py b/rocketpy/Environment.py
index 01580d8dd..7f3738941 100644
--- a/rocketpy/Environment.py
+++ b/rocketpy/Environment.py
@@ -415,7 +415,7 @@ def setDate(self, date, timeZone='UTC'):
         if localDate.tzinfo == None:
             localDate = tz.localize(localDate)
         self.localDate = localDate
-        self.date = self.localDate.replace(tzinfo=pytz.UTC)
+        self.date = self.localDate.astimezone(pytz.UTC)
 
         # Update atmospheric conditions if atmosphere type is Forecast,
         # Reanalysis or Ensemble
@@ -2844,10 +2844,11 @@ def info(self):
         # Print launch site details
         print("Launch Site Details")
         print("\nLaunch Rail Length: ", self.rL, " m")
+        time_format = "%Y-%m-%d %H:%M:%S"
         if self.date != None and 'UTC' not in self.timeZone:
-            print("Launch Date: ", self.date, " UTC |", self.localDate, self.timeZone)
+            print("Launch Date:", self.date.strftime(time_format), "UTC |", self.localDate.strftime(time_format), self.timeZone)
         else:
-            print("Launch Date: ", self.date, " UTC")
+            print("Launch Date:", self.date.strftime(time_format), "UTC")
         if self.lat != None and self.lon != None:
             print("Launch Site Latitude: {:.5f}°".format(self.lat))
             print("Launch Site Longitude: {:.5f}°".format(self.lon))

From 4ed5fc05f797570b297d81767b8a09c4e7d6af58 Mon Sep 17 00:00:00 2001
From: giovaniceotto <ghceotto@gmail.com>
Date: Mon, 3 Jan 2022 12:06:55 -0300
Subject: [PATCH 12/16] MAINT: minor code refactoring

---
 rocketpy/Environment.py | 28 ++++++++++++++--------------
 1 file changed, 14 insertions(+), 14 deletions(-)

diff --git a/rocketpy/Environment.py b/rocketpy/Environment.py
index 7f3738941..17bee08a2 100644
--- a/rocketpy/Environment.py
+++ b/rocketpy/Environment.py
@@ -501,7 +501,7 @@ def setElevation(self, elevation="Open-Elevation"):
                 response = requests.get(requestURL)
                 results = response.json()["results"]
                 self.elevation = results[0]["elevation"]
-                print("Elevation received: ", self.elevation)
+                print("Elevation received:", self.elevation)
             except:
                 raise RuntimeError("Unabel to reach Open-Elevation API servers.")
         else:
@@ -2843,7 +2843,7 @@ def info(self):
         """
         # Print launch site details
         print("Launch Site Details")
-        print("\nLaunch Rail Length: ", self.rL, " m")
+        print("\nLaunch Rail Length:", self.rL, " m")
         time_format = "%Y-%m-%d %H:%M:%S"
         if self.date != None and 'UTC' not in self.timeZone:
             print("Launch Date:", self.date.strftime(time_format), "UTC |", self.localDate.strftime(time_format), self.timeZone)
@@ -2865,7 +2865,7 @@ def info(self):
         # Print atmospheric model details
         print("\n\nAtmospheric Model Details")
         modelType = self.atmosphericModelType
-        print("\nAtmospheric Model Type: ", modelType)
+        print("\nAtmospheric Model Type:", modelType)
         print(
             modelType
             + " Maximum Height: {:.3f} km".format(self.maxExpectedHeight / 1000)
@@ -2876,7 +2876,7 @@ def info(self):
             endDate = self.atmosphericModelEndDate
             interval = self.atmosphericModelInterval
             print(modelType + " Time Period: From ", initDate, " to ", endDate, " UTC")
-            print(modelType + " Hour Interval: ", interval, " hrs")
+            print(modelType + " Hour Interval:", interval, " hrs")
             # Determine latitude and longitude range
             initLat = self.atmosphericModelInitLat
             endLat = self.atmosphericModelEndLat
@@ -2885,8 +2885,8 @@ def info(self):
             print(modelType + " Latitude Range: From ", initLat, "° To ", endLat, "°")
             print(modelType + " Longitude Range: From ", initLon, "° To ", endLon, "°")
         if modelType == "Ensemble":
-            print("Number of Ensemble Members: ", self.numEnsembleMembers)
-            print("Selected Ensemble Member: ", self.ensembleMember, " (Starts from 0)")
+            print("Number of Ensemble Members:", self.numEnsembleMembers)
+            print("Selected Ensemble Member:", self.ensembleMember, " (Starts from 0)")
 
         # Print atmospheric conditions
         print("\n\nSurface Atmospheric Conditions")
@@ -2973,11 +2973,11 @@ def allInfo(self):
 
         # Print launch site details
         print("\n\nLaunch Site Details")
-        print("\nLaunch Rail Length: ", self.rL, " m")
+        print("\nLaunch Rail Length:", self.rL, " m")
         if self.date != None and 'UTC' not in self.timeZone:
-            print("Launch Date: ", self.date, " UTC |", self.localDate, self.timeZone)
+            print("Launch Date:", self.date, " UTC |", self.localDate, self.timeZone)
         else:
-            print("Launch Date: ", self.date, " UTC")
+            print("Launch Date:", self.date, " UTC")
         if self.lat != None and self.lon != None:
             print("Launch Site Latitude: {:.5f}°".format(self.lat))
             print("Launch Site Longitude: {:.5f}°".format(self.lon))
@@ -2986,7 +2986,7 @@ def allInfo(self):
         # Print atmospheric model details
         print("\n\nAtmospheric Model Details")
         modelType = self.atmosphericModelType
-        print("\nAtmospheric Model Type: ", modelType)
+        print("\nAtmospheric Model Type:", modelType)
         print(
             modelType
             + " Maximum Height: {:.3f} km".format(self.maxExpectedHeight / 1000)
@@ -2997,7 +2997,7 @@ def allInfo(self):
             endDate = self.atmosphericModelEndDate
             interval = self.atmosphericModelInterval
             print(modelType + " Time Period: From ", initDate, " to ", endDate, " UTC")
-            print(modelType + " Hour Interval: ", interval, " hrs")
+            print(modelType + " Hour Interval:", interval, " hrs")
             # Determine latitude and longitude range
             initLat = self.atmosphericModelInitLat
             endLat = self.atmosphericModelEndLat
@@ -3006,8 +3006,8 @@ def allInfo(self):
             print(modelType + " Latitude Range: From ", initLat, "° To ", endLat, "°")
             print(modelType + " Longitude Range: From ", initLon, "° To ", endLon, "°")
         if modelType == "Ensemble":
-            print("Number of Ensemble Members: ", self.numEnsembleMembers)
-            print("Selected Ensemble Member: ", self.ensembleMember, " (Starts from 0)")
+            print("Number of Ensemble Members:", self.numEnsembleMembers)
+            print("Selected Ensemble Member:", self.ensembleMember, " (Starts from 0)")
 
         # Print atmospheric conditions
         print("\n\nSurface Atmospheric Conditions")
@@ -3534,7 +3534,7 @@ def printEarthDetails(self):
         # print("Launch Site UTM coordinates: {:.2f} ".format(self.initialEast)
         #    + self.initialEW + "    {:.2f} ".format(self.initialNorth) + self.initialHemisphere
         # )
-        # print("Launch Site UTM zone number: ", self.initialUtmZone)
+        # print("Launch Site UTM zone number:", self.initialUtmZone)
         # print("Launch Site Surface Elevation: {:.1f} m".format(self.elevation))
         print("Earth Radius at Launch site: {:.1f} m".format(self.earthRadius))
         print("Gravity acceleration at launch site: Still not implemented :(")

From f14b26d53f376b69aaa0c8b578c21972b9a212e1 Mon Sep 17 00:00:00 2001
From: giovaniceotto <ghceotto@gmail.com>
Date: Mon, 3 Jan 2022 12:13:57 -0300
Subject: [PATCH 13/16] MAINT: fix date time format in Env.allInfo()

---
 rocketpy/Environment.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/rocketpy/Environment.py b/rocketpy/Environment.py
index 17bee08a2..95ca5368a 100644
--- a/rocketpy/Environment.py
+++ b/rocketpy/Environment.py
@@ -2974,10 +2974,11 @@ def allInfo(self):
         # Print launch site details
         print("\n\nLaunch Site Details")
         print("\nLaunch Rail Length:", self.rL, " m")
+        time_format = "%Y-%m-%d %H:%M:%S"
         if self.date != None and 'UTC' not in self.timeZone:
-            print("Launch Date:", self.date, " UTC |", self.localDate, self.timeZone)
+            print("Launch Date:", self.date.strftime(time_format), "UTC |", self.localDate.strftime(time_format), self.timeZone)
         else:
-            print("Launch Date:", self.date, " UTC")
+            print("Launch Date:", self.date.strftime(time_format), "UTC")
         if self.lat != None and self.lon != None:
             print("Launch Site Latitude: {:.5f}°".format(self.lat))
             print("Launch Site Longitude: {:.5f}°".format(self.lon))

From f6120b18d745d3ea58197e2f97cbd8fcef8058b8 Mon Sep 17 00:00:00 2001
From: giovaniceotto <ghceotto@gmail.com>
Date: Mon, 3 Jan 2022 12:35:34 -0300
Subject: [PATCH 14/16] TST: fix failing tests due to minor bugs

---
 rocketpy/Environment.py   | 4 ++--
 tests/test_environment.py | 3 ++-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/rocketpy/Environment.py b/rocketpy/Environment.py
index 95ca5368a..f96b68415 100644
--- a/rocketpy/Environment.py
+++ b/rocketpy/Environment.py
@@ -2847,7 +2847,7 @@ def info(self):
         time_format = "%Y-%m-%d %H:%M:%S"
         if self.date != None and 'UTC' not in self.timeZone:
             print("Launch Date:", self.date.strftime(time_format), "UTC |", self.localDate.strftime(time_format), self.timeZone)
-        else:
+        elif self.date != None:
             print("Launch Date:", self.date.strftime(time_format), "UTC")
         if self.lat != None and self.lon != None:
             print("Launch Site Latitude: {:.5f}°".format(self.lat))
@@ -2977,7 +2977,7 @@ def allInfo(self):
         time_format = "%Y-%m-%d %H:%M:%S"
         if self.date != None and 'UTC' not in self.timeZone:
             print("Launch Date:", self.date.strftime(time_format), "UTC |", self.localDate.strftime(time_format), self.timeZone)
-        else:
+        elif self.date != None:
             print("Launch Date:", self.date.strftime(time_format), "UTC")
         if self.lat != None and self.lon != None:
             print("Launch Site Latitude: {:.5f}°".format(self.lat))
diff --git a/tests/test_environment.py b/tests/test_environment.py
index 948e55f30..86ed049cf 100644
--- a/tests/test_environment.py
+++ b/tests/test_environment.py
@@ -1,4 +1,5 @@
 import datetime
+import pytz
 from unittest.mock import patch
 
 import pytest
@@ -32,7 +33,7 @@ def test_env_set_date(example_env):
     tomorrow = datetime.date.today() + datetime.timedelta(days=1)
     example_env.setDate((tomorrow.year, tomorrow.month, tomorrow.day, 12))
     assert example_env.date == datetime.datetime(
-        tomorrow.year, tomorrow.month, tomorrow.day, 12
+        tomorrow.year, tomorrow.month, tomorrow.day, 12, tzinfo=pytz.utc
     )
 
 

From c284e818173068a17811a71353c3e813058adc2d Mon Sep 17 00:00:00 2001
From: giovaniceotto <ghceotto@gmail.com>
Date: Mon, 3 Jan 2022 12:40:19 -0300
Subject: [PATCH 15/16] STY: apply black formatting

---
 rocketpy/Environment.py | 24 ++++++++++++++++++------
 1 file changed, 18 insertions(+), 6 deletions(-)

diff --git a/rocketpy/Environment.py b/rocketpy/Environment.py
index f96b68415..c772230b2 100644
--- a/rocketpy/Environment.py
+++ b/rocketpy/Environment.py
@@ -338,7 +338,7 @@ def __init__(
             is "SIRGAS2000", then this model will be used if the user make some
             typing mistake.
         timeZone : string, optional
-            Name of the time zone. To see all time zones, import pytz and run 
+            Name of the time zone. To see all time zones, import pytz and run
 
         Returns
         -------
@@ -392,7 +392,7 @@ def __init__(
 
         return None
 
-    def setDate(self, date, timeZone='UTC'):
+    def setDate(self, date, timeZone="UTC"):
         """Set date and time of launch and update weather conditions if
         date dependent atmospheric model is used.
 
@@ -2845,8 +2845,14 @@ def info(self):
         print("Launch Site Details")
         print("\nLaunch Rail Length:", self.rL, " m")
         time_format = "%Y-%m-%d %H:%M:%S"
-        if self.date != None and 'UTC' not in self.timeZone:
-            print("Launch Date:", self.date.strftime(time_format), "UTC |", self.localDate.strftime(time_format), self.timeZone)
+        if self.date != None and "UTC" not in self.timeZone:
+            print(
+                "Launch Date:",
+                self.date.strftime(time_format),
+                "UTC |",
+                self.localDate.strftime(time_format),
+                self.timeZone,
+            )
         elif self.date != None:
             print("Launch Date:", self.date.strftime(time_format), "UTC")
         if self.lat != None and self.lon != None:
@@ -2975,8 +2981,14 @@ def allInfo(self):
         print("\n\nLaunch Site Details")
         print("\nLaunch Rail Length:", self.rL, " m")
         time_format = "%Y-%m-%d %H:%M:%S"
-        if self.date != None and 'UTC' not in self.timeZone:
-            print("Launch Date:", self.date.strftime(time_format), "UTC |", self.localDate.strftime(time_format), self.timeZone)
+        if self.date != None and "UTC" not in self.timeZone:
+            print(
+                "Launch Date:",
+                self.date.strftime(time_format),
+                "UTC |",
+                self.localDate.strftime(time_format),
+                self.timeZone,
+            )
         elif self.date != None:
             print("Launch Date:", self.date.strftime(time_format), "UTC")
         if self.lat != None and self.lon != None:

From f458d30d04e885beb9056b23edb8cceb814a5abd Mon Sep 17 00:00:00 2001
From: Lint Action <lint-action@samuelmeuli.com>
Date: Sat, 8 Jan 2022 23:59:59 +0000
Subject: [PATCH 16/16] Fix code style issues with Black

---
 setup.py | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/setup.py b/setup.py
index a3291ffa6..4ecc61447 100644
--- a/setup.py
+++ b/setup.py
@@ -6,12 +6,12 @@
 setuptools.setup(
     name="rocketpy",
     version="0.9.9",
-    install_requires = [
-        'numpy>=1.0',
-        'scipy>=1.0',
-        'matplotlib>=3.0',
-        'requests',
-        'pytz',
+    install_requires=[
+        "numpy>=1.0",
+        "scipy>=1.0",
+        "matplotlib>=3.0",
+        "requests",
+        "pytz",
     ],
     maintainer="RocketPy Developers",
     author="Giovani Hidalgo Ceotto",