diff --git a/modules/zfs/cmd/zfs-tools/snapshot_test.go b/modules/zfs/cmd/zfs-tools/snapshot_test.go
index 17b99bbd..645d5fe6 100644
--- a/modules/zfs/cmd/zfs-tools/snapshot_test.go
+++ b/modules/zfs/cmd/zfs-tools/snapshot_test.go
@@ -42,7 +42,7 @@ func TestTheSnapshotCommandIsFixedWordsThroughSudoWithTheNameAfterDashDash(t *te
 
 func TestASnapshotIsAnsweredFromTheListAfterwardsAndRecorded(t *testing.T) {
 	f := withZFS(t)
-	snapshotting(f, takeLine, "tank/media@before-move\t1791547200\t0\t26938034880512")
+	snapshotting(f, takeLine, "tank/media@before-move\t1791400000\t0\t26938034880512")
 	a, err := f.machine().TakeSnapshot(context.Background(), "tank/media", "before-move", "before moving the library", false)
 	if err != nil {
 		t.Fatal(err)
@@ -50,7 +50,7 @@ func TestASnapshotIsAnsweredFromTheListAfterwardsAndRecorded(t *testing.T) {
 	if !a.Done || len(a.Made) != 1 || a.Made[0].Name != "tank/media@before-move" || a.Made[0].Referenced != 26938034880512 {
 		t.Fatalf("answer: %+v", a)
 	}
-	if a.Made[0].Created != time.Unix(1791547200, 0).Local().Format(time.RFC3339) || a.Made[0].Created == f.now.Format(time.RFC3339) {
+	if a.Made[0].Created != time.Unix(1791400000, 0).Local().Format(time.RFC3339) || a.Made[0].Created == f.now.Format(time.RFC3339) {
 		t.Errorf("the creation time is the list's: %s", a.Made[0].Created)
 	}
 	if len(a.Others) != 0 || !strings.Contains(a.Said, "No other snapshot came or went") || !strings.Contains(a.Said, "Why: before moving the library") {
@@ -91,7 +91,7 @@ func TestARefusedSudoIsSaidAndRecorded(t *testing.T) {
 
 func TestAnUnrecordedActSaysSoLoudly(t *testing.T) {
 	f := withZFS(t)
-	snapshotting(f, takeLine, "tank/media@before-move\t1791547200\t0\t1")
+	snapshotting(f, takeLine, "tank/media@before-move\t1791400000\t0\t1")
 	f.emitErr = errors.New("the bus did not accept it")
 	a, err := f.machine().TakeSnapshot(context.Background(), "tank/media", "before-move", "why", false)
 	if err != nil {
@@ -104,7 +104,7 @@ func TestAnUnrecordedActSaysSoLoudly(t *testing.T) {
 
 func TestAnotherSnapshotMeanwhileIsSaidNotHidden(t *testing.T) {
 	f := withZFS(t)
-	snapshotting(f, takeLine, "tank/media@before-move\t1791547200\t0\t1", "tank/downloads@auto-1200\t1791547201\t0\t1")
+	snapshotting(f, takeLine, "tank/media@before-move\t1791400000\t0\t1", "tank/downloads@auto-1200\t1791547201\t0\t1")
 	a, err := f.machine().TakeSnapshot(context.Background(), "tank/media", "before-move", "why", false)
 	if err != nil {
 		t.Fatal(err)
@@ -157,7 +157,7 @@ func TestRecursiveIsRefusedWhenAChildHasTheNameAlready(t *testing.T) {
 	}
 	// Without recursive, only tank's own name counts.
 	f = withZFS(t)
-	snapshotting(f, "sudo -n zfs snapshot -- tank@weekly", "tank@weekly\t1791547200\t0\t1")
+	snapshotting(f, "sudo -n zfs snapshot -- tank@weekly", "tank@weekly\t1791400000\t0\t1")
 	if a, err := f.machine().TakeSnapshot(context.Background(), "tank", "weekly", "why", false); err != nil || len(a.Made) != 1 {
 		t.Errorf("tank@weekly alone: %v %+v", err, a)
 	}