Next change:
Nov
2
1 hour
Back
Nov 2, 2025, 2:00 am
| Start DST: | Sunday, April 24, 1977 — 1 hour forward |
|---|---|
| End DST: | Sunday, October 30, 1977 — No time change due to simultaneous time zone change |
Apr 24
Forward 1 hour
Apr 24, 1977 - Daylight Saving Time Started
When local standard time was about to reach
Sunday, April 24, 1977, 2:00:00 am clocks were turned forward 1 hour to
Sunday, April 24, 1977, 3:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on Apr 24, 1977 than the day before. There was more light in the evening and less light in the morning.
Also called Spring Forward, Summer Time, and Daylight Savings Time.
Oct 30
No change
Oct 30, 1977 - Daylight Saving Time Ended
DST ended on Sunday, October 30, 1977, 2:00:00 am. However, clocks were not changed because Petersburg switched time zones at the same 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) |
|---|---|---|
| 1970 | Sunday, April 26, 2:00 am | Sunday, October 25, 2:00 am |
| 1971 | Sunday, April 25, 2:00 am | Sunday, October 31, 2:00 am |
| 1972 | Sunday, April 30, 2:00 am | Sunday, October 29, 2:00 am |
| 1973 | Sunday, April 29, 2:00 am | Sunday, October 28, 2:00 am |
| 1974 | Sunday, January 6, 2:00 am | Sunday, October 27, 2:00 am |
| 1975 | Sunday, February 23, 2:00 am | Sunday, October 26, 2:00 am |
| 1976 | Sunday, April 25, 2:00 am | Sunday, October 31, 2:00 am |
| 1977 | Sunday, April 24, 2:00 am | Sunday, October 30, 2:00 am |
| 1978 — 1979 | DST not observed | |
| All times are local for Petersburg. | ||