1 files changed, 3 insertions, 0 deletions
diff --git a/container-accesslogging/src/main/java/com/yahoo/container/logging/JSONFormatter.java b/container-accesslogging/src/main/java/com/yahoo/container/logging/JSONFormatter.java
index a328f0d34bd..4e9ccc341b8 100644
--- a/container-accesslogging/src/main/java/com/yahoo/container/logging/JSONFormatter.java
+++ b/container-accesslogging/src/main/java/com/yahoo/container/logging/JSONFormatter.java
@@ -11,6 +11,7 @@ import java.io.IOException;
 import java.math.BigDecimal;
 import java.math.RoundingMode;
 import java.net.URI;
+import java.time.Instant;
 import java.util.List;
 import java.util.Map;
 import java.util.Objects;
@@ -47,6 +48,8 @@ public class JSONFormatter {
             generator.writeStartObject();
             generator.writeStringField("ip", accessLogEntry.getIpV4Address());
             generator.writeNumberField("time", toTimestampInSeconds(accessLogEntry.getTimeStampMillis()));
+            generator.writeStringField("time-iso8601",
+                                       Instant.ofEpochMilli(accessLogEntry.getTimeStampMillis()).toString());
             generator.writeNumberField("duration",
                                        durationAsSeconds(accessLogEntry.getDurationBetweenRequestResponseMillis()));
             generator.writeNumberField("responsesize", accessLogEntry.getReturnedContentSize());