diff --git a/pycardium/modules/utime.c b/pycardium/modules/utime.c
index bf6862d038af04990fd3ed6e4392971eb482f176..4578d9971902cfd1d2a9e7edc0e5d939ad8a5a75 100644
--- a/pycardium/modules/utime.c
+++ b/pycardium/modules/utime.c
@@ -15,7 +15,7 @@
 
 /* MicroPython has its epoch at 2000-01-01. Our RTC is in UTC */
 #define EPOCH_OFFSET 946684800UL
-#define TZONE_OFFSET 7600UL
+#define TZONE_OFFSET 7200UL
 
 static mp_obj_t time_set_time(mp_obj_t secs)
 {