Last change: 1998
okt
25
1 hour
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25 okt 1998, 02:00
Note: Unfortunately, we do not have accurate information before 1970 on a state level.
Daylight Saving Time (DST) Not Observed in Year 2025
Sonora currently observes Mountain Standard Time (MST) all year.
DST is no longer in use.
Clocks do not change in Sonora.
The previous DST change in Sonora was on 25 oktober 1998.
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