diff --git a/substratevm/src/com.oracle.svm.core.posix/src/com/oracle/svm/core/posix/PosixPlatformTimeUtils.java b/substratevm/src/com.oracle.svm.core.posix/src/com/oracle/svm/core/posix/PosixPlatformTimeUtils.java
index dfe8945d3814d..f19a146c0dd9f 100644
--- a/substratevm/src/com.oracle.svm.core.posix/src/com/oracle/svm/core/posix/PosixPlatformTimeUtils.java
+++ b/substratevm/src/com.oracle.svm.core.posix/src/com/oracle/svm/core/posix/PosixPlatformTimeUtils.java
@@ -35,7 +35,7 @@
 public final class PosixPlatformTimeUtils extends PlatformTimeUtils {
 
     @Override
-    @BasedOnJDKFile("https://github.com/openjdk/jdk/blob/jdk-24+3/src/hotspot/os/posix/os_posix.cpp#L1409-L1415")
+    @BasedOnJDKFile("https://github.com/openjdk/jdk/blob/jdk-23+9/src/hotspot/os/posix/os_posix.cpp#L1387-L1393")
     protected SecondsNanos javaTimeSystemUTC() {
         Time.timespec ts = StackValue.get(Time.timespec.class);
         int status = PosixUtils.clock_gettime(Time.CLOCK_REALTIME(), ts);
diff --git a/substratevm/src/com.oracle.svm.core.windows/src/com/oracle/svm/core/windows/WindowsPlatformTimeUtils.java b/substratevm/src/com.oracle.svm.core.windows/src/com/oracle/svm/core/windows/WindowsPlatformTimeUtils.java
index 2722ffaa18a4a..1b88083ddac51 100644
--- a/substratevm/src/com.oracle.svm.core.windows/src/com/oracle/svm/core/windows/WindowsPlatformTimeUtils.java
+++ b/substratevm/src/com.oracle.svm.core.windows/src/com/oracle/svm/core/windows/WindowsPlatformTimeUtils.java
@@ -37,23 +37,23 @@
 @AutomaticallyRegisteredImageSingleton(PlatformTimeUtils.class)
 public final class WindowsPlatformTimeUtils extends PlatformTimeUtils {
 
-    @BasedOnJDKFile("https://github.com/openjdk/jdk/blob/jdk-24+3/src/hotspot/os/windows/os_windows.cpp#L1123") //
+    @BasedOnJDKFile("https://github.com/openjdk/jdk/blob/jdk-23+9/src/hotspot/os/windows/os_windows.cpp#L1012") //
     private static final long OFFSET = 116444736000000000L;
 
-    @BasedOnJDKFile("https://github.com/openjdk/jdk/blob/jdk-24+3/src/hotspot/os/windows/os_windows.cpp#L1153-L1155")
+    @BasedOnJDKFile("https://github.com/openjdk/jdk/blob/jdk-23+9/src/hotspot/os/windows/os_windows.cpp#L1042-L1044")
     private static long offset() {
         return OFFSET;
     }
 
     /* Returns time ticks in (10th of micro seconds) */
-    @BasedOnJDKFile("https://github.com/openjdk/jdk/blob/jdk-24+3/src/hotspot/os/windows/os_windows.cpp#L1158-L1161")
+    @BasedOnJDKFile("https://github.com/openjdk/jdk/blob/jdk-23+9/src/hotspot/os/windows/os_windows.cpp#L1047-L1050")
     private static long windowsToTimeTicks(FILETIME wt) {
         long a = WordFactory.unsigned(wt.dwHighDateTime()).shiftLeft(32).or(WordFactory.unsigned(wt.dwLowDateTime())).rawValue();
         return (a - offset());
     }
 
     @Override
-    @BasedOnJDKFile("https://github.com/openjdk/jdk/blob/jdk-24+3/src/hotspot/os/windows/os_windows.cpp#L1198-L1205")
+    @BasedOnJDKFile("https://github.com/openjdk/jdk/blob/jdk-23+9/src/hotspot/os/windows/os_windows.cpp#L1087-L1094")
     protected SecondsNanos javaTimeSystemUTC() {
         FILETIME wt = StackValue.get(FILETIME.class);
         GetSystemTimeAsFileTime(wt);
diff --git a/substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/util/PlatformTimeUtils.java b/substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/util/PlatformTimeUtils.java
index 7ccfad3df0e73..d7c79509b609a 100644
--- a/substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/util/PlatformTimeUtils.java
+++ b/substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/util/PlatformTimeUtils.java
@@ -49,7 +49,7 @@ protected PlatformTimeUtils() {
     public record SecondsNanos(long seconds, long nanos) {
     }
 
-    @BasedOnJDKFile("https://github.com/openjdk/jdk/blob/jdk-24+5/src/hotspot/share/jfr/recorder/repository/jfrChunk.cpp#L38-L52")
+    @BasedOnJDKFile("https://github.com/openjdk/jdk/blob/jdk-23+9/src/hotspot/share/jfr/recorder/repository/jfrChunk.cpp#L38-L54")
     public long nanosNow() {
         // Use same clock source as Instant.now() to ensure
         // that Recording::getStopTime() returns an Instant that