diff --git a/src/fe/cdsTiming.h b/src/fe/cdsTiming.h
new file mode 100644
index 0000000000000000000000000000000000000000..81f25f4e2386456faffa73354af9adeb61e1f33d
--- /dev/null
+++ b/src/fe/cdsTiming.h
@@ -0,0 +1,13 @@
+#ifndef CDS_TIMING_H
+#define CDS_TIMING_H
+
+#define UTC_2_GPS_BASE_OFFSET	315964800
+#define UTC_2_GPS_LEAP_SEC	16
+
+#define IRIGB_NO_YR_BASE_OFFSET	31190400
+#define SEC_IN_NON_LEAP_YR	31536000
+#define SEC_IN_LEAP_YR		31622400
+
+#define GPS_IN_1980		31190400
+
+#endif