diff --git a/oaipmh-core/src/main/java/info/textgrid/middleware/OaipmhUtilities.java b/oaipmh-core/src/main/java/info/textgrid/middleware/OaipmhUtilities.java
index 65a3c1a6a8eb43dc410418b5ec612e98cec31a3e..5aba67403b065c0cd277288fb474638d96502f28 100644
--- a/oaipmh-core/src/main/java/info/textgrid/middleware/OaipmhUtilities.java
+++ b/oaipmh-core/src/main/java/info/textgrid/middleware/OaipmhUtilities.java
@@ -5,6 +5,7 @@ import java.io.StringWriter;
 import java.math.BigInteger;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
+import java.time.ZoneOffset;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Date;
@@ -181,7 +182,8 @@ public class OaipmhUtilities {
     // Parse TextGrid time format.
     Date date = TEXTGRID_ITEM_TIME_FORMAT.parse(originalDateTimeString);
     // Set formatter UTC.
-    OAIDC_UTC_TIME_FORMAT.setTimeZone(TimeZone.getTimeZone("UTC"));
+    // OAIDC_UTC_TIME_FORMAT.setTimeZone(TimeZone.getTimeZone("UTC"));
+    OAIDC_UTC_TIME_FORMAT.setTimeZone(TimeZone.getTimeZone(ZoneOffset.UTC));
     String result = OAIDC_UTC_TIME_FORMAT.format(date);
 
     log.fine("outgoing utc date: " + result);