Oct 25, 1998, 2:00 am
| Start DST: | Sunday, April 6, 1997 — 1 hour forward |
|---|---|
| End DST: | Sunday, October 26, 1997 — 1 hour backward |
Apr 6
Forward 1 hour
Apr 6, 1997 - Daylight Saving Time Started
When local standard time was about to reach
Sunday, April 6, 1997, 2:00:00 am clocks were turned forward 1 hour to
Sunday, April 6, 1997, 3:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on Apr 6, 1997 than the day before. There was more light in the evening.
Also called Spring Forward, Summer Time, and Daylight Savings Time.
Oct 26
Back 1 hour
Oct 26, 1997 - Daylight Saving Time Ended
When local daylight time was about to reach
Sunday, October 26, 1997, 2:00:00 am clocks were turned backward 1 hour to
Sunday, October 26, 1997, 1:00:00 am local standard time instead.
Sunrise and sunset were about 1 hour earlier on Oct 26, 1997 than the day before. There was more light in the morning.
Also called Fall Back and Winter Time.
Daylight Saving Time in Other Years
DST changes do not necessarily occur on the same date every year.
| Year | DST Start (Clock Forward) | DST End (Clock Backward) |
|---|---|---|
| 1990 — 1995 | DST not observed | |
| 1996 | Sunday, April 7, 2:00 am | Sunday, October 27, 2:00 am |
| 1997 | Sunday, April 6, 2:00 am | Sunday, October 26, 2:00 am |
| 1998 | Sunday, April 5, 2:00 am | Sunday, October 25, 2:00 am |
| 1999 | DST not observed | |
| All times are local for Tucson. | ||
Data for the years before 1970 is not available for Tucson, however, we have earlier time zone history for Hermosillo available.