1 files changed, 2 insertions, 0 deletions

diff --git a/firmware/include/timefuncs.h b/firmware/include/timefuncs.h
index 45978f4e2e..52d4608287 100644
--- a/firmware/include/timefuncs.h
+++ b/firmware/include/timefuncs.h
@@ -29,6 +29,8 @@
 struct tm *get_time(void);
 int set_time(const struct tm *tm);
 bool valid_time(const struct tm *tm);
+int day_of_week(int m, int d, int y);
+void yearday_to_daymonth(int yd, int y, int *d, int *m);
 #if CONFIG_RTC
 time_t mktime(struct tm *t);
 #endif