diff --git a/WHATSNEW b/WHATSNEW
index f8701a924c..eeae3e8681 100644
--- a/WHATSNEW
+++ b/WHATSNEW
@@ -35,6 +35,10 @@ Other changes:
    it uploads, if the preserveLastModified attribute is set to
    true for that task 
 
+ * zip and the related tasks can now set the modfication time of all
+   entries to a fixed timestamp.
+   Github Pull Request #36
+
 Changes from Ant 1.9.8 TO Ant 1.9.9
 ===================================
 
diff --git a/src/main/org/apache/tools/ant/taskdefs/Zip.java b/src/main/org/apache/tools/ant/taskdefs/Zip.java
index 00ba912898..d1e10654b4 100644
--- a/src/main/org/apache/tools/ant/taskdefs/Zip.java
+++ b/src/main/org/apache/tools/ant/taskdefs/Zip.java
@@ -125,7 +125,7 @@ public boolean isSelected(final Resource target) {
             };
 
     private String fixedModTime = null; // User-provided.
-    protected long modTimeMillis = 0; // Calculated.
+    private long modTimeMillis = 0; // Calculated.
 
     /**
      * If this flag is true, execute() will run most operations twice,
@@ -597,6 +597,7 @@ public Zip64ModeAttribute getZip64Mode() {
      *        that you must choose one of a or b, and [c] indicates that you
      *        may use or omit c. ±ZZZZ is the timezone offset, and may be
      *        literally "Z" to mean GMT.
+     * @since Ant 1.9.10
      */
     public void setModificationtime(String time) {
         fixedModTime = time;
@@ -605,6 +606,7 @@ public void setModificationtime(String time) {
     /**
      * The file modification time previously provided to
      * {@link #setModificationtime(String)} or {@code null} if unset.
+     * @since Ant 1.9.10
      */
     public String getModificationtime() {
         return fixedModTime;
diff --git a/src/main/org/apache/tools/ant/util/DateUtils.java b/src/main/org/apache/tools/ant/util/DateUtils.java
index 992c3fc5d1..016ce9d4e3 100644
--- a/src/main/org/apache/tools/ant/util/DateUtils.java
+++ b/src/main/org/apache/tools/ant/util/DateUtils.java
@@ -95,6 +95,7 @@ public final class DateUtils {
      * Provides a thread-local US-style date format. Exactly as used by
      * {@code <touch>}, to minute precision:
      * {@code SimpleDateFormat("MM/dd/yyyy hh:mm a", Locale.US)}
+     * @since Ant 1.9.10
      */
     public static final ThreadLocal<DateFormat> EN_US_DATE_FORMAT_MIN =
         new ThreadLocal<DateFormat>() {
@@ -108,6 +109,7 @@ protected DateFormat initialValue() {
      * Provides a thread-local US-style date format. Exactly as used by
      * {@code <touch>}, to second precision:
      * {@code SimpleDateFormat("MM/dd/yyyy hh:mm:ss a", Locale.US)}
+     * @since Ant 1.9.10
      */
     public static final ThreadLocal<DateFormat> EN_US_DATE_FORMAT_SEC =
         new ThreadLocal<DateFormat>() {
@@ -349,6 +351,7 @@ public static Date parseIso8601DateTimeOrDate(String datestr)
      * where {a|b} indicates that you must choose one of a or b, and [c]
      * indicates that you may use or omit c. ±ZZZZ is the timezone offset, and
      * may be literally "Z" to mean GMT.
+     * @since Ant 1.9.10
      */
     public static Date parseLenientDateTime(String dateStr) throws ParseException {
         try {