diff --git a/zmanim/util/noaa_calculator.py b/zmanim/util/noaa_calculator.py
index 9843055..10fe373 100644
--- a/zmanim/util/noaa_calculator.py
+++ b/zmanim/util/noaa_calculator.py
@@ -36,7 +36,7 @@ def _julian_day_from_julian_centuries(self, julian_centuries: float) -> float:
 
     def _utc_sun_position(self, target_date: date, geo_location: GeoLocation, zenith: float, adjust_for_elevation: bool, mode: str) -> float:
         if not isinstance(target_date, datetime):
-            target_date = datetime.combine(target_date, time())
+            target_date = datetime.combine(target_date, time.min)
         elevation = geo_location.elevation if adjust_for_elevation else 0.0
         adjusted_zenith = self.adjusted_zenith(zenith, elevation)
         utc_time = self._calculate_utc_sun_position(julian.to_jd(target_date),