No DST
1970 - 2030
| No further time changes in 2024 in Old Tucson |
Daylight Saving Time (DST) Not Observed in Year 2024
USA currently observes 7 time zones all year.
Daylight Saving Time has not been used since our records start, in 1970.
DST data from before 1970 is not available for Old Tucson, USA. However, we have earlier DST history for Phoenix, USA available.