diff --git a/lib/typing/ext/parse_test.go b/lib/typing/ext/parse_test.go
index ab73e6b3a..a0e387818 100644
--- a/lib/typing/ext/parse_test.go
+++ b/lib/typing/ext/parse_test.go
@@ -36,6 +36,27 @@ func TestParseFromInterface(t *testing.T) {
 		_, err := ParseFromInterface(false, TimestampTzKindType)
 		assert.ErrorContains(t, err, "failed to parse colVal, expected type string or *ExtendedTime and got: bool")
 	}
+	{
+		// String - RFC3339MillisecondUTC
+		value, err := ParseFromInterface("2024-09-19T16:05:18.630Z", TimestampTzKindType)
+		assert.NoError(t, err)
+		assert.Equal(t, "2024-09-19T16:05:18.630Z", value.String(""))
+		assert.Equal(t, RFC3339MillisecondUTC, value.nestedKind.Format)
+	}
+	{
+		// String - RFC3339MicrosecondUTC
+		value, err := ParseFromInterface("2024-09-19T16:05:18.630000Z", TimestampTzKindType)
+		assert.NoError(t, err)
+		assert.Equal(t, "2024-09-19T16:05:18.630000Z", value.String(""))
+		assert.Equal(t, RFC3339MicrosecondUTC, value.nestedKind.Format)
+	}
+	{
+		// String - RFC3339NanosecondUTC
+		value, err := ParseFromInterface("2024-09-19T16:05:18.630000000Z", TimestampTzKindType)
+		assert.NoError(t, err)
+		assert.Equal(t, "2024-09-19T16:05:18.630000000Z", value.String(""))
+		assert.Equal(t, RFC3339NanosecondUTC, value.nestedKind.Format)
+	}
 }
 
 func TestParseFromInterfaceDateTime(t *testing.T) {
diff --git a/lib/typing/ext/variables.go b/lib/typing/ext/variables.go
index 02a409df5..8d4f413ab 100644
--- a/lib/typing/ext/variables.go
+++ b/lib/typing/ext/variables.go
@@ -11,7 +11,16 @@ const (
 )
 
 var supportedDateTimeLayouts = []string{
+	// UTC
+	RFC3339MillisecondUTC,
+	RFC3339MicrosecondUTC,
+	RFC3339NanosecondUTC,
+	// RFC 3339
+	RFC3339Millisecond,
+	RFC3339Microsecond,
+	RFC3339Nanosecond,
 	time.RFC3339Nano,
+	// Others
 	ISO8601,
 	time.Layout,
 	time.ANSIC,
@@ -37,7 +46,10 @@ var SupportedTimeFormats = []string{
 
 // RFC3339 variants
 const (
-	RFC3339Millisecond = "2006-01-02T15:04:05.000Z07:00"
-	RFC3339Microsecond = "2006-01-02T15:04:05.000000Z07:00"
-	RFC3339Nanosecond  = "2006-01-02T15:04:05.000000000Z07:00"
+	RFC3339MillisecondUTC = "2006-01-02T15:04:05.000Z"
+	RFC3339MicrosecondUTC = "2006-01-02T15:04:05.000000Z"
+	RFC3339NanosecondUTC  = "2006-01-02T15:04:05.000000000Z"
+	RFC3339Millisecond    = "2006-01-02T15:04:05.000Z07:00"
+	RFC3339Microsecond    = "2006-01-02T15:04:05.000000Z07:00"
+	RFC3339Nanosecond     = "2006-01-02T15:04:05.000000000Z07:00"
 )