hueso/Sensor-Watch
1
0
Fork 0
Code Issues Pull Requests Actions 2 Packages Projects Releases Activity

fix: sunrise/set before DST change

Browse Source 
The Sunrise and Sunset timezone offset needs to be calculated for the day it's relevant to, since it might experience a timezone  change.
This commit is contained in:
Stephan
2026-03-30 00:52:55 +01:00
parent cb58dea276
commit 8bd07b407c
3 changed files with 23 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files
watch-faces/complication/sunrise_sunset_face.c
+1 -5
View File
@@ -93,13 +93,9 @@ static void _sunrise_sunset_face_update(sunrise_sunset_state_t *state) {
double lat = (double)lat_centi / 100.0;
double lon = (double)lon_centi / 100.0;
// sunriset returns the rise/set times as signed decimal hours in UTC.
// this can mean hours below 0 or above 31, which won't fit into a watch_date_time_t struct.
// to deal with this, we set aside the offset in hours, and add it back before converting it to a watch_date_time_t.
double hours_from_utc = ((double)movement_get_current_timezone_offset()) / 3600.0;
// we loop twice because if it's after sunset today, we need to recalculate to display values for tomorrow.
for(int i = 0; i < 2; i++) {
double hours_from_utc = ((double)movement_get_timezone_offset_for_date(scratch_time)) / 3600.0;
uint8_t result = sun_rise_set(scratch_time.unit.year + WATCH_RTC_REFERENCE_YEAR, scratch_time.unit.month, scratch_time.unit.day, lon, lat, &rise, &set);
if (result != 0) {