1 files changed, 3 insertions, 0 deletions
diff --git a/java/util/src/main/java/com/google/protobuf/util/Durations.java b/java/util/src/main/java/com/google/protobuf/util/Durations.java
index fb7f4343..17b41cbb 100644
--- a/java/util/src/main/java/com/google/protobuf/util/Durations.java
+++ b/java/util/src/main/java/com/google/protobuf/util/Durations.java
@@ -61,6 +61,9 @@ public final class Durations {
   public static final Duration MAX_VALUE =
       Duration.newBuilder().setSeconds(DURATION_SECONDS_MAX).setNanos(999999999).build();
 
+  /** A constant holding the duration of zero. */
+  public static final Duration ZERO = Duration.newBuilder().setSeconds(0L).setNanos(0).build();
+
   private Durations() {}
 
   private static final Comparator<Duration> COMPARATOR =