diff --git a/README.md b/README.md
index 9a0b243..d8efbd9 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,6 @@ This project provides a collection of template renderers.
 | `rife.render.DateIso`            | Renders the current date in ISO 8061 format                     |
 | `rife.render.DateTimeIso`        | Renders the current date and time in ISO 8061 format            |
 | `rife.render.DateTimeRfc2822`    | Renders the current date and time in RFC 2822 format            |
-| `rife.render.DateTimeUtc`        | Renders the current UTC date and time in ISO 8061 format        |
 | `rife.render.TimeIso`            | Renders the current time in ISO 8061 format                     |
 | `rife.render.Year`               | Renders the current year                                        |
 
diff --git a/lib/src/main/java/rife/render/DateTimeIso.java b/lib/src/main/java/rife/render/DateTimeIso.java
index 14043d2..d24af3e 100644
--- a/lib/src/main/java/rife/render/DateTimeIso.java
+++ b/lib/src/main/java/rife/render/DateTimeIso.java
@@ -21,8 +21,12 @@ import rife.template.Template;
 import rife.template.ValueRenderer;
 import rife.tools.Localization;
 
+import java.io.IOException;
+import java.io.StringReader;
+import java.time.ZoneId;
 import java.time.ZonedDateTime;
 import java.time.format.DateTimeFormatter;
+import java.util.Properties;
 
 /**
  * <p>Return the current date and time in ISO 8601 format.</p>
@@ -49,6 +53,20 @@ public class DateTimeIso implements ValueRenderer {
      */
     @Override
     public String render(Template template, String valueId, String differentiator) {
+        if (template.hasDefaultValue(valueId)) {
+            var properties = new Properties();
+            try {
+                var tz = "tz";
+                properties.load(new StringReader(template.getDefaultValue(valueId)));
+                if (properties.containsKey(tz)) {
+                    return ZonedDateTime.now().format(
+                            DateTimeIso.iso8601Formatter.withZone(ZoneId.of(properties.getProperty(tz))));
+                }
+            } catch (IOException ignore) {
+                // do nothing
+            }
+
+        }
         return ZonedDateTime.now().format(iso8601Formatter);
     }
 }
diff --git a/lib/src/main/java/rife/render/DateTimeUtc.java b/lib/src/main/java/rife/render/DateTimeUtc.java
deleted file mode 100644
index 5f0f6c9..0000000
--- a/lib/src/main/java/rife/render/DateTimeUtc.java
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- *  Copyright 2023 the original author or authors.
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *   you may not use this file except in compliance with the License.
- *   You may obtain a copy of the License at
- *
- *       https://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- */
-
-package rife.render;
-
-import rife.template.Template;
-import rife.template.ValueRenderer;
-
-import java.time.ZoneId;
-import java.time.ZonedDateTime;
-
-/**
- * <p>Return the current UTC date and time in ISO 8601 format.</p>
- *
- * <p>Usage:</p>
- *
- * <pre>
- *   &lt;!--v render:rife.render.DateTimeUTC/--&gt;
- *   {{v render:rife.render.DateTimeUTC/}}
- * </pre>
- *
- * @author <a href="https://erik.thauvin.net/">Erik C. Thauvin</a>
- * @since 1.0
- */
-public class DateTimeUtc implements ValueRenderer {
-    /**
-     * {@inheritDoc}
-     */
-    @Override
-    public String render(Template template, String valueId, String differentiator) {
-        return ZonedDateTime.now().format(DateTimeIso.iso8601Formatter.withZone(ZoneId.of("UTC")));
-    }
-}
diff --git a/lib/src/test/java/rife/render/TestDateTime.java b/lib/src/test/java/rife/render/TestDateTime.java
index 91cb9d5..66d5372 100644
--- a/lib/src/test/java/rife/render/TestDateTime.java
+++ b/lib/src/test/java/rife/render/TestDateTime.java
@@ -51,7 +51,10 @@ class TestDateTime {
     @Test
     void testDateTimeUtc() {
         var t = TemplateFactory.HTML.get("dateTimeUtc");
-        assertThatCode(() -> DateTimeIso.iso8601Formatter.parse(t.getContent())).doesNotThrowAnyException();
+        var content = t.getContent();
+        assertThatCode(() -> DateTimeIso.iso8601Formatter.parse(content)).doesNotThrowAnyException();
+        assertThat(content).endsWith("Z");
+
     }
 
     @Test
diff --git a/lib/src/test/resources/templates/dateTimeUtc.html b/lib/src/test/resources/templates/dateTimeUtc.html
index fa7ce31..4329899 100644
--- a/lib/src/test/resources/templates/dateTimeUtc.html
+++ b/lib/src/test/resources/templates/dateTimeUtc.html
@@ -1 +1,3 @@
-<!--v render:rife.render.DateTimeUtc/-->
\ No newline at end of file
+<!--v render:rife.render.DateTimeIso -->
+tz=UTC
+<!--/v-->
\ No newline at end of file