Aug 28, 1977, 2:00 am
| Start DST: | Sunday, April 25, 1971 — 1 hour forward |
|---|---|
| End DST: | Sunday, September 5, 1971 — 1 hour backward |
Apr 25
Forward 1 hour
Apr 25, 1971 - Daylight Saving Time Started
When local standard time was about to reach
Sunday, April 25, 1971, 2:00:00 am clocks were turned forward 1 hour to
Sunday, April 25, 1971, 3:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on Apr 25, 1971 than the day before. There was more light in the evening.
Also called Spring Forward, Summer Time, and Daylight Savings Time.
Sep 5
Back 1 hour
Sep 5, 1971 - Daylight Saving Time Ended
When local daylight time was about to reach
Sunday, September 5, 1971, 2:00:00 am clocks were turned backward 1 hour to
Sunday, September 5, 1971, 1:00:00 am local standard time instead.
Sunrise and sunset were about 1 hour earlier on Sep 5, 1971 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) |
|---|---|---|
| 1970 | Sunday, April 26, 2:00 am | Sunday, September 6, 2:00 am |
| 1971 | Sunday, April 25, 2:00 am | Sunday, September 5, 2:00 am |
| 1972 | DST not observed | |
| 1973 | Sunday, December 16, 2:00 am | No DST End |
| 1974 | No DST Start | Sunday, February 24, 2:00 am |
| 1975 | DST not observed | |
| 1976 | Wednesday, May 26, 2:00 am | Sunday, August 22, 2:01 am |
| 1977 | Sunday, April 24, 2:00 am | Sunday, August 28, 2:00 am |
| 1978 — 1979 | DST not observed | |
| All times are local for War in the Pacific National Historical Park - Piti Guns Unit. | ||
Data for the years before 1970 is not available for War in the Pacific National Historical Park - Piti Guns Unit, however, we have earlier time zone history for Hagåtña available.
Detailed time zone and clock changes in War in the Pacific National Historical Park - Piti Guns Unit