diff --git a/java/google/registry/rde/Ghostryde.java b/java/google/registry/rde/Ghostryde.java
index 0305aba68..835d27f06 100644
--- a/java/google/registry/rde/Ghostryde.java
+++ b/java/google/registry/rde/Ghostryde.java
@@ -81,7 +81,7 @@ import org.joda.time.DateTime;
  *   try (OutputStream output = new FileOutputStream(out);
  *       Ghostryde.Encryptor encryptor = ghost.openEncryptor(output, publicKey);
  *       Ghostryde.Compressor kompressor = ghost.openCompressor(encryptor);
- *       OutputStream go = ghost.openOutput(kompressor, in.getName(), DateTime.now());
+ *       OutputStream go = ghost.openOutput(kompressor, in.getName(), DateTime.now(UTC));
  *       InputStream input = new FileInputStream(in)) {
  *     ByteStreams.copy(input, go);
  *   &rbrace;}</pre>
@@ -109,7 +109,7 @@ import org.joda.time.DateTime;
  *
  * <pre>   {@code
  *   byte[] data = "hello kitty".getBytes(UTF_8);
- *   byte[] blob = Ghostryde.encode(data, publicKey, "lol.txt", DateTime.now());
+ *   byte[] blob = Ghostryde.encode(data, publicKey, "lol.txt", DateTime.now(UTC));
  *   Ghostryde.Result result = Ghostryde.decode(blob, privateKey);
  *   }</pre>
  *
diff --git a/java/google/registry/rde/RdeImportUtils.java b/java/google/registry/rde/RdeImportUtils.java
index 9bfdd4e6c..54c431e8f 100644
--- a/java/google/registry/rde/RdeImportUtils.java
+++ b/java/google/registry/rde/RdeImportUtils.java
@@ -38,7 +38,6 @@ import java.io.InputStream;
 import javax.inject.Inject;
 import javax.xml.bind.JAXBException;
 import javax.xml.stream.XMLStreamException;
-import org.joda.time.DateTime;
 
 /**
  * Utility functions for escrow file import.
@@ -134,7 +133,7 @@ public class RdeImportUtils {
         String tld = parser.getHeader().getTld();
         try {
           Registry registry = Registry.get(tld);
-          TldState currentState = registry.getTldState(DateTime.now());
+          TldState currentState = registry.getTldState(clock.nowUtc());
           checkArgument(
               currentState == TldState.PREDELEGATION,
               String.format("Tld '%s' is in state %s and cannot be imported", tld, currentState));
diff --git a/javatests/google/registry/flows/contact/ContactInfoFlowTest.java b/javatests/google/registry/flows/contact/ContactInfoFlowTest.java
index 1ec2dd9f4..088e8b054 100644
--- a/javatests/google/registry/flows/contact/ContactInfoFlowTest.java
+++ b/javatests/google/registry/flows/contact/ContactInfoFlowTest.java
@@ -50,7 +50,7 @@ public class ContactInfoFlowTest extends ResourceFlowTestCase<ContactInfoFlow, C
         new ContactResource.Builder()
             .setContactId("sh8013")
             .setRepoId("2FF-ROID")
-            .setDeletionTime(active ? null : DateTime.now().minusDays(1))
+            .setDeletionTime(active ? null : clock.nowUtc().minusDays(1))
             .setStatusValues(ImmutableSet.of(StatusValue.CLIENT_DELETE_PROHIBITED))
             .setInternationalizedPostalInfo(new PostalInfo.Builder()
                 .setType(Type.INTERNATIONALIZED)
@@ -87,7 +87,7 @@ public class ContactInfoFlowTest extends ResourceFlowTestCase<ContactInfoFlow, C
                 .setEmail(new PresenceMarker())
                 .build())
             .build());
-    assertThat(isDeleted(contact, DateTime.now())).isNotEqualTo(active);
+    assertThat(isDeleted(contact, clock.nowUtc())).isNotEqualTo(active);
     return contact;
   }
 
diff --git a/javatests/google/registry/flows/domain/DomainApplicationInfoFlowTest.java b/javatests/google/registry/flows/domain/DomainApplicationInfoFlowTest.java
index 92d39e739..32e86fbac 100644
--- a/javatests/google/registry/flows/domain/DomainApplicationInfoFlowTest.java
+++ b/javatests/google/registry/flows/domain/DomainApplicationInfoFlowTest.java
@@ -274,7 +274,7 @@ public class DomainApplicationInfoFlowTest
     persistResource(new DomainApplication.Builder()
         .setRepoId("123-COM")
         .setFullyQualifiedDomainName("timber.com")
-        .setDeletionTime(DateTime.now().minusDays(1))
+        .setDeletionTime(clock.nowUtc().minusDays(1))
         .setRegistrant(Key.create(persistActiveContact("jd1234")))
         .build());
     runFlow();
diff --git a/javatests/google/registry/flows/host/HostInfoFlowTest.java b/javatests/google/registry/flows/host/HostInfoFlowTest.java
index fd80c25e2..73460b0c0 100644
--- a/javatests/google/registry/flows/host/HostInfoFlowTest.java
+++ b/javatests/google/registry/flows/host/HostInfoFlowTest.java
@@ -51,7 +51,7 @@ public class HostInfoFlowTest extends ResourceFlowTestCase<HostInfoFlow, HostRes
         new HostResource.Builder()
             .setFullyQualifiedHostName(getUniqueIdFromCommand())
             .setRepoId("1FF-FOOBAR")
-            .setDeletionTime(active ? null : DateTime.now().minusDays(1))
+            .setDeletionTime(active ? null : clock.nowUtc().minusDays(1))
             .setCurrentSponsorClientId("my sponsor")
             .setStatusValues(
                 ImmutableSet.of(StatusValue.CLIENT_UPDATE_PROHIBITED))
@@ -66,7 +66,7 @@ public class HostInfoFlowTest extends ResourceFlowTestCase<HostInfoFlow, HostRes
             .setLastEppUpdateTime(DateTime.parse("1999-12-03T09:00:00.0Z"))
             .setLastTransferTime(DateTime.parse("2000-04-08T09:00:00.0Z"))
             .build());
-    assertThat(isDeleted(host, DateTime.now())).isNotEqualTo(active);
+    assertThat(isDeleted(host, clock.nowUtc())).isNotEqualTo(active);
     return host;
   }
 
diff --git a/javatests/google/registry/model/index/DomainApplicationIndexTest.java b/javatests/google/registry/model/index/DomainApplicationIndexTest.java
index 1c300b982..88d2de692 100644
--- a/javatests/google/registry/model/index/DomainApplicationIndexTest.java
+++ b/javatests/google/registry/model/index/DomainApplicationIndexTest.java
@@ -22,6 +22,7 @@ import static google.registry.testing.DatastoreHelper.createTld;
 import static google.registry.testing.DatastoreHelper.newDomainApplication;
 import static google.registry.testing.DatastoreHelper.persistResource;
 import static google.registry.testing.DatastoreHelper.persistSimpleResource;
+import static org.joda.time.DateTimeZone.UTC;
 
 import com.google.common.collect.ImmutableSet;
 import com.googlecode.objectify.Key;
@@ -63,14 +64,14 @@ public class DomainApplicationIndexTest extends EntityTestCase {
     DomainApplicationIndex savedIndex = DomainApplicationIndex.load("example.com");
     assertThat(savedIndex).isNotNull();
     assertThat(savedIndex.getKeys()).containsExactly(Key.create(application));
-    assertThat(loadActiveApplicationsByDomainName("example.com", DateTime.now()))
+    assertThat(loadActiveApplicationsByDomainName("example.com", clock.nowUtc()))
         .containsExactly(application);
   }
 
   @Test
   public void testSuccess_noApplications() {
     assertThat(DomainApplicationIndex.load("example.com")).isNull();
-    assertThat(loadActiveApplicationsByDomainName("example.com", DateTime.now())).isEmpty();
+    assertThat(loadActiveApplicationsByDomainName("example.com", clock.nowUtc())).isEmpty();
   }
 
   @Test
@@ -85,7 +86,7 @@ public class DomainApplicationIndexTest extends EntityTestCase {
     assertThat(savedIndex).isNotNull();
     assertThat(savedIndex.getKeys()).containsExactly(
         Key.create(application1), Key.create(application2), Key.create(application3));
-    assertThat(loadActiveApplicationsByDomainName("example.com", DateTime.now()))
+    assertThat(loadActiveApplicationsByDomainName("example.com", clock.nowUtc()))
         .containsExactly(application1, application2, application3);
   }
 
@@ -96,7 +97,7 @@ public class DomainApplicationIndexTest extends EntityTestCase {
     persistResource(createUpdatedInstance(application1));
     persistResource(createUpdatedInstance(application2));
     persistResource(createUpdatedInstance(application1));
-    assertThat(loadActiveApplicationsByDomainName("example.com", DateTime.now()))
+    assertThat(loadActiveApplicationsByDomainName("example.com", clock.nowUtc()))
         .containsExactly(application1, application2);
   }
 
@@ -107,14 +108,14 @@ public class DomainApplicationIndexTest extends EntityTestCase {
         persistSimpleResource(
             newDomainApplication("example.com")
                 .asBuilder()
-                .setDeletionTime(DateTime.now().minusDays(30))
+                .setDeletionTime(DateTime.now(UTC).minusDays(30))
                 .build());
     persistResource(createUpdatedInstance(application1));
     persistResource(createUpdatedInstance(application2));
     DomainApplicationIndex savedIndex =
         DomainApplicationIndex.load(application1.getFullyQualifiedDomainName());
     assertThat(savedIndex.getKeys()).hasSize(2);
-    assertThat(loadActiveApplicationsByDomainName("example.com", DateTime.now()))
+    assertThat(loadActiveApplicationsByDomainName("example.com", DateTime.now(UTC)))
         .containsExactly(application1);
   }
 }
diff --git a/javatests/google/registry/model/ofy/OfyCommitLogTest.java b/javatests/google/registry/model/ofy/OfyCommitLogTest.java
index 4d11fe5df..d73ae5e8d 100644
--- a/javatests/google/registry/model/ofy/OfyCommitLogTest.java
+++ b/javatests/google/registry/model/ofy/OfyCommitLogTest.java
@@ -199,7 +199,7 @@ public class OfyCommitLogTest {
   @Test
   public void testTransactNew_deleteNotBackedUpKind_throws() throws Exception {
     final CommitLogManifest backupsArentAllowedOnMe =
-        CommitLogManifest.create(getBucketKey(1), DateTime.now(), ImmutableSet.<Key<?>>of());
+        CommitLogManifest.create(getBucketKey(1), clock.nowUtc(), ImmutableSet.<Key<?>>of());
     thrown.expect(IllegalArgumentException.class, "Can't save/delete a @NotBackedUp");
     ofy().transactNew(new VoidWork() {
       @Override
@@ -211,7 +211,7 @@ public class OfyCommitLogTest {
   @Test
   public void testTransactNew_saveNotBackedUpKind_throws() throws Exception {
     final CommitLogManifest backupsArentAllowedOnMe =
-        CommitLogManifest.create(getBucketKey(1), DateTime.now(), ImmutableSet.<Key<?>>of());
+        CommitLogManifest.create(getBucketKey(1), clock.nowUtc(), ImmutableSet.<Key<?>>of());
     ofy().saveWithoutBackup().entity(backupsArentAllowedOnMe).now();
     thrown.expect(IllegalArgumentException.class, "Can't save/delete a @NotBackedUp");
     ofy().transactNew(new VoidWork() {
diff --git a/javatests/google/registry/rde/RdeImportUtilsTest.java b/javatests/google/registry/rde/RdeImportUtilsTest.java
index a20f8d936..f318e0ba2 100644
--- a/javatests/google/registry/rde/RdeImportUtilsTest.java
+++ b/javatests/google/registry/rde/RdeImportUtilsTest.java
@@ -19,6 +19,7 @@ import static google.registry.model.ofy.ObjectifyService.ofy;
 import static google.registry.testing.DatastoreHelper.createTld;
 import static google.registry.testing.DatastoreHelper.persistNewRegistrar;
 import static google.registry.testing.DatastoreHelper.persistResource;
+import static org.joda.time.DateTimeZone.UTC;
 import static org.mockito.Matchers.any;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
@@ -79,7 +80,7 @@ public class RdeImportUtilsTest extends ShardableTestCase {
   @Before
   public void before() {
     clock = new FakeClock();
-    clock.setTo(DateTime.now());
+    clock.setTo(DateTime.now(UTC));
     rdeImportUtils = new RdeImportUtils(ofy(), clock, "import-bucket", gcsUtils);
     createTld("test", TldState.PREDELEGATION);
     createTld("getld", TldState.GENERAL_AVAILABILITY);
@@ -188,8 +189,8 @@ public class RdeImportUtilsTest extends ShardableTestCase {
   }
 
   /** Confirms that a ForeignKeyIndex exists in the datastore for a given resource. */
-  private static <T extends EppResource> void assertForeignKeyIndexFor(final T resource) {
-    assertThat(ForeignKeyIndex.load(resource.getClass(), resource.getForeignKey(), DateTime.now()))
+  private <T extends EppResource> void assertForeignKeyIndexFor(final T resource) {
+    assertThat(ForeignKeyIndex.load(resource.getClass(), resource.getForeignKey(), clock.nowUtc()))
         .isNotNull();
   }
 
diff --git a/javatests/google/registry/rde/RdeReportActionTest.java b/javatests/google/registry/rde/RdeReportActionTest.java
index ac7227d61..6de341a2b 100644
--- a/javatests/google/registry/rde/RdeReportActionTest.java
+++ b/javatests/google/registry/rde/RdeReportActionTest.java
@@ -23,6 +23,7 @@ import static google.registry.testing.DatastoreHelper.persistResource;
 import static google.registry.testing.GcsTestingUtils.writeGcsFile;
 import static javax.servlet.http.HttpServletResponse.SC_BAD_REQUEST;
 import static javax.servlet.http.HttpServletResponse.SC_OK;
+import static org.joda.time.DateTimeZone.UTC;
 import static org.joda.time.Duration.standardDays;
 import static org.joda.time.Duration.standardSeconds;
 import static org.mockito.Matchers.any;
@@ -127,7 +128,7 @@ public class RdeReportActionTest {
     writeGcsFile(
         gcsService,
         reportFile,
-        Ghostryde.encode(REPORT_XML.read(), encryptKey, "darkside.xml", DateTime.now()));
+        Ghostryde.encode(REPORT_XML.read(), encryptKey, "darkside.xml", DateTime.now(UTC)));
   }
 
   @Test
diff --git a/javatests/google/registry/whois/WhoisServerTest.java b/javatests/google/registry/whois/WhoisServerTest.java
index 14c5e2af5..7650f959b 100644
--- a/javatests/google/registry/whois/WhoisServerTest.java
+++ b/javatests/google/registry/whois/WhoisServerTest.java
@@ -207,8 +207,8 @@ public class WhoisServerTest {
         persistResource(makeHostResource("ns2.cat.lol", "bad:f00d:cafe::15:beef")),
         persistResource(
             makeRegistrar("example", "Example Registrar", ACTIVE))).asBuilder()
-                .setCreationTimeForTest(DateTime.now().minusDays(2))
-                .setDeletionTime(DateTime.now().minusDays(1)).build());
+                .setCreationTimeForTest(clock.nowUtc().minusDays(2))
+                .setDeletionTime(clock.nowUtc().minusDays(1)).build());
     DomainResource domain2 = persistResource(makeDomainResource("cat.lol",
         persistResource(
             makeContactResource(
@@ -221,7 +221,7 @@ public class WhoisServerTest {
         persistResource(makeHostResource("ns2.google.lol", "4311::f143")),
         persistResource((registrar = makeRegistrar(
             "example", "Example Registrar", ACTIVE)))).asBuilder()
-            .setCreationTimeForTest(DateTime.now()).build());
+            .setCreationTimeForTest(clock.nowUtc()).build());
     persistSimpleResources(makeRegistrarContacts(registrar));
     assertThat(domain1.getRepoId()).isNotEqualTo(domain2.getRepoId());
     newWhoisServer("domain cat.lol\r\n").run();