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-rw-r--r--watch-library/shared/watch/watch_utility.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/watch-library/shared/watch/watch_utility.h b/watch-library/shared/watch/watch_utility.h
index 4c50cb59..57bcbed7 100644
--- a/watch-library/shared/watch/watch_utility.h
+++ b/watch-library/shared/watch/watch_utility.h
@@ -124,4 +124,12 @@ watch_date_time watch_utility_date_time_convert_zone(watch_date_time date_time,
*/
float watch_utility_thermistor_temperature(uint16_t value, bool highside, float b_coefficient, float nominal_temperature, float nominal_resistance, float series_resistance);
+/** @brief Offset a timestamp by a given amount
+ * @param now Timestamp to offset from
+ * @param hours Number of hours to offset
+ * @param minutes Nmber of minutes to offset
+ * @param seconds Number of secodns to offset
+ */
+uint32_t watch_utility_offset_timestamp(uint32_t now, int8_t hours, int8_t minutes, int8_t seconds);
+
#endif