diff --git a/fop-core/src/main/java/org/apache/fop/pdf/FileIDGenerator.java b/fop-core/src/main/java/org/apache/fop/pdf/FileIDGenerator.java
index 00aad442657..3b9cb131864 100644
--- a/fop-core/src/main/java/org/apache/fop/pdf/FileIDGenerator.java
+++ b/fop-core/src/main/java/org/apache/fop/pdf/FileIDGenerator.java
@@ -86,7 +86,9 @@ byte[] getUpdatedFileID() {
 
         private void generateFileID() {
             DateFormat df = new SimpleDateFormat("yyyy'-'MM'-'dd'T'HH':'mm':'ss'.'SSS");
-            digest.update(PDFDocument.encode(df.format(new Date())));
+            String sde = System.getenv("SOURCE_DATE_EPOCH");
+            Date d = (sde == null) ? new Date() : new Date(1000 * Long.parseLong(sde));
+            digest.update(PDFDocument.encode(df.format(d)));
             // Ignoring the filename here for simplicity even though it's recommended
             // by the PDF spec
             digest.update(PDFDocument.encode(String.valueOf(document.getCurrentFileSize())));
diff --git a/fop-core/src/main/java/org/apache/fop/pdf/PDFMetadata.java b/fop-core/src/main/java/org/apache/fop/pdf/PDFMetadata.java
index ce8cfdf2d8c..6eb38975abf 100644
--- a/fop-core/src/main/java/org/apache/fop/pdf/PDFMetadata.java
+++ b/fop-core/src/main/java/org/apache/fop/pdf/PDFMetadata.java
@@ -135,7 +135,9 @@ public static Metadata createXMPFromPDFDocument(PDFDocument pdfDoc) {
 
         //Set creation date if not available, yet
         if (info.getCreationDate() == null) {
-            Date d = new Date();
+            Date d = System.getenv("SOURCE_DATE_EPOCH") == null ?
+                new Date() :
+                new Date(1000 * Long.parseLong(System.getenv("SOURCE_DATE_EPOCH")));
             info.setCreationDate(d);
         }
 
diff --git a/fop-core/src/main/java/org/apache/fop/render/intermediate/IFRenderer.java b/fop-core/src/main/java/org/apache/fop/render/intermediate/IFRenderer.java
index 090d368d7c7..871c4eea8ff 100644
--- a/fop-core/src/main/java/org/apache/fop/render/intermediate/IFRenderer.java
+++ b/fop-core/src/main/java/org/apache/fop/render/intermediate/IFRenderer.java
@@ -545,7 +545,10 @@ private Metadata createDefaultDocumentMetadata() {
         } else {
             xmpBasic.setCreatorTool(Version.getVersion());
         }
-        xmpBasic.setMetadataDate(new java.util.Date());
+        java.util.Date d = System.getenv("SOURCE_DATE_EPOCH") == null ?
+                new java.util.Date() :
+                new java.util.Date(1000 * Long.parseLong(System.getenv("SOURCE_DATE_EPOCH")));
+        xmpBasic.setMetadataDate(d);
         if (getUserAgent().getCreationDate() != null) {
             xmpBasic.setCreateDate(getUserAgent().getCreationDate());
         } else {
diff --git a/fop-core/src/main/java/org/apache/fop/render/pdf/PDFRenderingUtil.java b/fop-core/src/main/java/org/apache/fop/render/pdf/PDFRenderingUtil.java
index e212a7b3a1a..89ba3a978e9 100644
--- a/fop-core/src/main/java/org/apache/fop/render/pdf/PDFRenderingUtil.java
+++ b/fop-core/src/main/java/org/apache/fop/render/pdf/PDFRenderingUtil.java
@@ -261,7 +261,10 @@ public void renderXMPMetadata(XMPMetadata metadata) {
         fopXMP.mergeInto(docXMP, exclude);
         XMPBasicAdapter xmpBasic = XMPBasicSchema.getAdapter(docXMP);
         //Metadata was changed so update metadata date
-        xmpBasic.setMetadataDate(new java.util.Date());
+        java.util.Date d = System.getenv("SOURCE_DATE_EPOCH") == null ?
+                new java.util.Date() :
+                new java.util.Date(1000 * Long.parseLong(System.getenv("SOURCE_DATE_EPOCH")));
+        xmpBasic.setMetadataDate(d);
         PDFMetadata.updateInfoFromMetadata(docXMP, pdfDoc.getInfo());
 
         PDFMetadata pdfMetadata = pdfDoc.getFactory().makeMetadata(