Last change: 1998
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25 Oct 1998, 02:00
Daylight Saving Time (DST) Not Observed in Year 1972
Sonora observed Mountain Standard Time (MST) all year.
DST was not in use in 1972.
The previous DST change in Sonora was on 30 September 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