Last change: 1998
Oct
25
1 hour Back
Oct 25, 1998, 2:00 am
Daylight Saving Time (DST) Not Observed in Year 1990
Sonora observed Mountain Standard Time (MST) all year.
DST was not in use in 1990.
The previous DST change in Sonora was on September 30, 1931.
Try selecting a different year below.
Daylight Saving Time History in Sonora
- Sonora last observed Daylight Saving Time in 1998.
- Sonora has observed DST for 4 years between 1931 and 1998.
- See Worldwide DST Statistics