diff --git a/google-cloud-clients/google-cloud-bigquery/src/main/java/com/google/cloud/bigquery/QueryParameterValue.java b/google-cloud-clients/google-cloud-bigquery/src/main/java/com/google/cloud/bigquery/QueryParameterValue.java
index d74fc005f35c..5bf6b4e9f93a 100644
--- a/google-cloud-clients/google-cloud-bigquery/src/main/java/com/google/cloud/bigquery/QueryParameterValue.java
+++ b/google-cloud-clients/google-cloud-bigquery/src/main/java/com/google/cloud/bigquery/QueryParameterValue.java
@@ -27,9 +27,10 @@
 import java.util.ArrayList;
 import java.util.List;
 import javax.annotation.Nullable;
-import org.joda.time.DateTimeZone;
-import org.joda.time.format.DateTimeFormat;
-import org.joda.time.format.DateTimeFormatter;
+import org.threeten.bp.Instant;
+import org.threeten.bp.ZoneOffset;
+import org.threeten.bp.format.DateTimeFormatter;
+import org.threeten.bp.format.DateTimeParseException;
 
 /**
  * A value for a QueryParameter along with its type.
@@ -60,12 +61,12 @@
 public abstract class QueryParameterValue implements Serializable {
 
   private static final DateTimeFormatter timestampFormatter =
-      DateTimeFormat.forPattern("yyyy-MM-dd HH:mm:ss.SSSSSSZZ").withZone(DateTimeZone.UTC);
-  private static final DateTimeFormatter dateFormatter = DateTimeFormat.forPattern("yyyy-MM-dd");
+      DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.SSSSSSxxx").withZone(ZoneOffset.UTC);
+  private static final DateTimeFormatter dateFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd");
   private static final DateTimeFormatter timeFormatter =
-      DateTimeFormat.forPattern("HH:mm:ss.SSSSSS");
+      DateTimeFormatter.ofPattern("HH:mm:ss.SSSSSS");
   private static final DateTimeFormatter datetimeFormatter =
-      DateTimeFormat.forPattern("yyyy-MM-dd HH:mm:ss.SSSSSS");
+      DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.SSSSSS");
 
   static final Function<
           QueryParameterValue, com.google.api.services.bigquery.model.QueryParameterValue>
@@ -297,31 +298,31 @@ private static <T> String valueToStringOrNull(T value, StandardSQLTypeName type)
         throw new IllegalArgumentException("Cannot convert ARRAY to String value");
       case TIMESTAMP:
         if (value instanceof Long) {
-          return timestampFormatter.print(((Long) value) / 1000);
+          return timestampFormatter.format(Instant.ofEpochMilli(((Long) value) / 1000));
         } else if (value instanceof String) {
           // verify that the String is in the right format
-          timestampFormatter.parseMillis((String) value);
+          checkFormat(value, timestampFormatter);
           return (String) value;
         }
         break;
       case DATE:
         if (value instanceof String) {
           // verify that the String is in the right format
-          dateFormatter.parseMillis((String) value);
+          checkFormat(value, dateFormatter);
           return (String) value;
         }
         break;
       case TIME:
         if (value instanceof String) {
           // verify that the String is in the right format
-          timeFormatter.parseMillis((String) value);
+          checkFormat(value, timeFormatter);
           return (String) value;
         }
         break;
       case DATETIME:
         if (value instanceof String) {
           // verify that the String is in the right format
-          datetimeFormatter.parseMillis((String) value);
+          checkFormat(value, datetimeFormatter);
           return (String) value;
         }
         break;
@@ -332,6 +333,14 @@ private static <T> String valueToStringOrNull(T value, StandardSQLTypeName type)
         "Type " + type + " incompatible with " + value.getClass().getCanonicalName());
   }
 
+  private static void checkFormat(Object value, DateTimeFormatter formatter) {
+    try {
+      formatter.parse((String) value);
+    } catch (DateTimeParseException e) {
+      throw new IllegalArgumentException(e.getMessage(), e);
+    }
+  }
+
   /** Returns a builder for a QueryParameterValue object with given value. */
   public abstract Builder toBuilder();
 
diff --git a/google-cloud-clients/google-cloud-compute/pom.xml b/google-cloud-clients/google-cloud-compute/pom.xml
index dc9fa1c70e3d..3b8f5ff6a716 100644
--- a/google-cloud-clients/google-cloud-compute/pom.xml
+++ b/google-cloud-clients/google-cloud-compute/pom.xml
@@ -31,6 +31,11 @@
       <artifactId>google-api-services-compute</artifactId>
       <scope>compile</scope>
     </dependency>
+    <dependency>
+      <groupId>joda-time</groupId>
+      <artifactId>joda-time</artifactId>
+      <scope>compile</scope>
+    </dependency>
 
     <!-- Test dependencies -->
     <dependency>
diff --git a/google-cloud-clients/google-cloud-contrib/google-cloud-nio/pom.xml b/google-cloud-clients/google-cloud-contrib/google-cloud-nio/pom.xml
index 8ffa10116405..76d2c3bc9093 100644
--- a/google-cloud-clients/google-cloud-contrib/google-cloud-nio/pom.xml
+++ b/google-cloud-clients/google-cloud-contrib/google-cloud-nio/pom.xml
@@ -112,7 +112,6 @@
               <pattern>org</pattern>
               <shadedPattern>shaded.cloud_nio.org</shadedPattern>
               <includes>
-                <include>org.joda.**</include>
                 <include>org.apache.**</include>
                 <include>org.threeten.**</include>
                 <include>org.codehaus.**</include>
diff --git a/google-cloud-clients/google-cloud-core/pom.xml b/google-cloud-clients/google-cloud-core/pom.xml
index efdf6565aad0..13ff53638468 100644
--- a/google-cloud-clients/google-cloud-core/pom.xml
+++ b/google-cloud-clients/google-cloud-core/pom.xml
@@ -27,11 +27,6 @@
       <artifactId>junit</artifactId>
       <scope>test</scope>
     </dependency>
-    <dependency>
-      <groupId>joda-time</groupId>
-      <artifactId>joda-time</artifactId>
-      <scope>compile</scope>
-    </dependency>
     <dependency>
       <groupId>com.google.http-client</groupId>
       <artifactId>google-http-client</artifactId>
diff --git a/google-cloud-clients/google-cloud-core/src/main/java/com/google/cloud/Timestamp.java b/google-cloud-clients/google-cloud-core/src/main/java/com/google/cloud/Timestamp.java
index dc44f8abea10..02bb98131366 100644
--- a/google-cloud-clients/google-cloud-core/src/main/java/com/google/cloud/Timestamp.java
+++ b/google-cloud-clients/google-cloud-core/src/main/java/com/google/cloud/Timestamp.java
@@ -26,7 +26,6 @@
 import org.threeten.bp.Instant;
 import org.threeten.bp.LocalDateTime;
 import org.threeten.bp.ZoneOffset;
-import org.threeten.bp.chrono.IsoChronology;
 import org.threeten.bp.format.DateTimeFormatter;
 
 /**
@@ -46,8 +45,7 @@ public final class Timestamp implements Comparable<Timestamp>, Serializable {
   public static final Timestamp MAX_VALUE =
       new Timestamp(253402300799L, (int) TimeUnit.SECONDS.toNanos(1) - 1);
 
-  private static final DateTimeFormatter format =
-      DateTimeFormatter.ISO_LOCAL_DATE_TIME.withChronology(IsoChronology.INSTANCE);
+  private static final DateTimeFormatter format = DateTimeFormatter.ISO_LOCAL_DATE_TIME;
 
   private final long seconds;
   private final int nanos;
diff --git a/google-cloud-clients/google-cloud-dns/src/main/java/com/google/cloud/dns/ChangeRequestInfo.java b/google-cloud-clients/google-cloud-dns/src/main/java/com/google/cloud/dns/ChangeRequestInfo.java
index fa93b4f7c161..a7802045e068 100644
--- a/google-cloud-clients/google-cloud-dns/src/main/java/com/google/cloud/dns/ChangeRequestInfo.java
+++ b/google-cloud-clients/google-cloud-dns/src/main/java/com/google/cloud/dns/ChangeRequestInfo.java
@@ -30,8 +30,9 @@
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Objects;
-import org.joda.time.DateTime;
-import org.joda.time.format.ISODateTimeFormat;
+import org.threeten.bp.Instant;
+import org.threeten.bp.ZoneOffset;
+import org.threeten.bp.format.DateTimeFormatter;
 
 /**
  * A class representing an atomic update to a collection of {@link RecordSet}s within a {@code
@@ -328,7 +329,10 @@ Change toPb() {
     }
     // set timestamp
     if (getStartTimeMillis() != null) {
-      pb.setStartTime(ISODateTimeFormat.dateTime().withZoneUTC().print(getStartTimeMillis()));
+      pb.setStartTime(
+          DateTimeFormatter.ISO_DATE_TIME
+              .withZone(ZoneOffset.UTC)
+              .format(Instant.ofEpochMilli(getStartTimeMillis())));
     }
     // set status
     if (status() != null) {
@@ -347,7 +351,8 @@ static ChangeRequestInfo fromPb(Change pb) {
       builder.setGeneratedId(pb.getId());
     }
     if (pb.getStartTime() != null) {
-      builder.setStartTime(DateTime.parse(pb.getStartTime()).getMillis());
+      builder.setStartTime(
+          DateTimeFormatter.ISO_DATE_TIME.parse(pb.getStartTime(), Instant.FROM).toEpochMilli());
     }
     if (pb.getStatus() != null) {
       // we are assuming that status indicated in pb is a lower case version of the enum name
diff --git a/google-cloud-clients/google-cloud-dns/src/main/java/com/google/cloud/dns/ZoneInfo.java b/google-cloud-clients/google-cloud-dns/src/main/java/com/google/cloud/dns/ZoneInfo.java
index bc0592dd3ff4..a66167341793 100644
--- a/google-cloud-clients/google-cloud-dns/src/main/java/com/google/cloud/dns/ZoneInfo.java
+++ b/google-cloud-clients/google-cloud-dns/src/main/java/com/google/cloud/dns/ZoneInfo.java
@@ -26,8 +26,9 @@
 import java.math.BigInteger;
 import java.util.List;
 import java.util.Objects;
-import org.joda.time.DateTime;
-import org.joda.time.format.ISODateTimeFormat;
+import org.threeten.bp.Instant;
+import org.threeten.bp.ZoneOffset;
+import org.threeten.bp.format.DateTimeFormatter;
 
 /**
  * A {@code Zone} represents a DNS zone hosted by the Google Cloud DNS service. A zone is a subtree
@@ -38,6 +39,9 @@
 public class ZoneInfo implements Serializable {
 
   private static final long serialVersionUID = -5313169712036079818L;
+  private static final DateTimeFormatter DATE_TIME_FORMATTER =
+      DateTimeFormatter.ISO_DATE_TIME.withZone(ZoneOffset.UTC);
+
   private final String name;
   private final String generatedId;
   private final Long creationTimeMillis;
@@ -234,7 +238,7 @@ ManagedZone toPb() {
     pb.setNameServerSet(this.getNameServerSet());
     if (this.getCreationTimeMillis() != null) {
       pb.setCreationTime(
-          ISODateTimeFormat.dateTime().withZoneUTC().print(this.getCreationTimeMillis()));
+          DATE_TIME_FORMATTER.format(Instant.ofEpochMilli(this.getCreationTimeMillis())));
     }
     return pb;
   }
@@ -257,7 +261,8 @@ static ZoneInfo fromPb(ManagedZone pb) {
       builder.setNameServerSet(pb.getNameServerSet());
     }
     if (pb.getCreationTime() != null) {
-      builder.setCreationTimeMillis(DateTime.parse(pb.getCreationTime()).getMillis());
+      builder.setCreationTimeMillis(
+          DATE_TIME_FORMATTER.parse(pb.getCreationTime(), Instant.FROM).toEpochMilli());
     }
     return builder.build();
   }
diff --git a/google-cloud-clients/google-cloud-resourcemanager/src/main/java/com/google/cloud/resourcemanager/ProjectInfo.java b/google-cloud-clients/google-cloud-resourcemanager/src/main/java/com/google/cloud/resourcemanager/ProjectInfo.java
index 75e2021b6194..d20c3ccd86e3 100644
--- a/google-cloud-clients/google-cloud-resourcemanager/src/main/java/com/google/cloud/resourcemanager/ProjectInfo.java
+++ b/google-cloud-clients/google-cloud-resourcemanager/src/main/java/com/google/cloud/resourcemanager/ProjectInfo.java
@@ -29,8 +29,9 @@
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Objects;
-import org.joda.time.DateTime;
-import org.joda.time.format.ISODateTimeFormat;
+import org.threeten.bp.Instant;
+import org.threeten.bp.ZoneOffset;
+import org.threeten.bp.format.DateTimeFormatter;
 
 /**
  * A Google Cloud Resource Manager project metadata object. A Project is a high-level Google Cloud
@@ -39,6 +40,8 @@
  */
 public class ProjectInfo implements Serializable {
 
+  public static final DateTimeFormatter DATE_TIME_FORMATTER =
+      DateTimeFormatter.ISO_DATE_TIME.withZone(ZoneOffset.UTC);
   private static final long serialVersionUID = 9148970963697734236L;
   private final String name;
   private final String projectId;
@@ -390,7 +393,10 @@ com.google.api.services.cloudresourcemanager.model.Project toPb() {
       projectPb.setLifecycleState(state.toString());
     }
     if (createTimeMillis != null) {
-      projectPb.setCreateTime(ISODateTimeFormat.dateTime().withZoneUTC().print(createTimeMillis));
+      projectPb.setCreateTime(
+          DateTimeFormatter.ISO_DATE_TIME
+              .withZone(ZoneOffset.UTC)
+              .format(Instant.ofEpochMilli(createTimeMillis)));
     }
     if (parent != null) {
       projectPb.setParent(parent.toPb());
@@ -411,7 +417,8 @@ static ProjectInfo fromPb(com.google.api.services.cloudresourcemanager.model.Pro
       builder.setState(State.valueOf(projectPb.getLifecycleState()));
     }
     if (projectPb.getCreateTime() != null) {
-      builder.setCreateTimeMillis(DateTime.parse(projectPb.getCreateTime()).getMillis());
+      builder.setCreateTimeMillis(
+          DATE_TIME_FORMATTER.parse(projectPb.getCreateTime(), Instant.FROM).toEpochMilli());
     }
     if (projectPb.getParent() != null) {
       builder.setParent(ResourceId.fromPb(projectPb.getParent()));
diff --git a/google-cloud-clients/google-cloud-resourcemanager/src/main/java/com/google/cloud/resourcemanager/testing/LocalResourceManagerHelper.java b/google-cloud-clients/google-cloud-resourcemanager/src/main/java/com/google/cloud/resourcemanager/testing/LocalResourceManagerHelper.java
index 70163f00f6a3..bbaa25d72ae8 100644
--- a/google-cloud-clients/google-cloud-resourcemanager/src/main/java/com/google/cloud/resourcemanager/testing/LocalResourceManagerHelper.java
+++ b/google-cloud-clients/google-cloud-resourcemanager/src/main/java/com/google/cloud/resourcemanager/testing/LocalResourceManagerHelper.java
@@ -61,7 +61,9 @@
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import java.util.zip.GZIPInputStream;
-import org.joda.time.format.ISODateTimeFormat;
+import org.threeten.bp.Instant;
+import org.threeten.bp.ZoneOffset;
+import org.threeten.bp.format.DateTimeFormatter;
 
 /**
  * Utility to create a local Resource Manager mock for testing.
@@ -443,7 +445,10 @@ synchronized Response create(Project project) {
     } else {
       project.setLifecycleState("ACTIVE");
       project.setProjectNumber(Math.abs(PROJECT_NUMBER_GENERATOR.nextLong() % Long.MAX_VALUE));
-      project.setCreateTime(ISODateTimeFormat.dateTime().print(System.currentTimeMillis()));
+      project.setCreateTime(
+          DateTimeFormatter.ISO_DATE_TIME
+              .withZone(ZoneOffset.UTC)
+              .format(Instant.ofEpochMilli(System.currentTimeMillis())));
       if (projects.putIfAbsent(project.getProjectId(), project) != null) {
         return Error.ALREADY_EXISTS.response(
             "A project with the same project ID (" + project.getProjectId() + ") already exists.");
diff --git a/google-cloud-clients/google-cloud-spanner/pom.xml b/google-cloud-clients/google-cloud-spanner/pom.xml
index f4861214f053..cf4075bd5e4f 100644
--- a/google-cloud-clients/google-cloud-spanner/pom.xml
+++ b/google-cloud-clients/google-cloud-spanner/pom.xml
@@ -129,10 +129,6 @@
       <groupId>com.google.code.findbugs</groupId>
       <artifactId>jsr305</artifactId>
     </dependency>
-    <dependency>
-      <groupId>joda-time</groupId>
-      <artifactId>joda-time</artifactId>
-    </dependency>
 
     <!-- Test dependencies -->
     <dependency>