Oct 30, 1983, 2:00 am
| Start DST: | Sunday, April 29, 1979 — 1 hour forward |
|---|---|
| End DST: | Sunday, October 28, 1979 — 1 hour backward |
Apr 29
Forward 1 hour
Apr 29, 1979 - Daylight Saving Time Started
When local standard time was about to reach
Sunday, April 29, 1979, 2:00:00 am clocks were turned forward 1 hour to
Sunday, April 29, 1979, 3:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on Apr 29, 1979 than the day before. There was more light in the evening.
Also called Spring Forward, Summer Time, and Daylight Savings Time.
Oct 28
Back 1 hour
Oct 28, 1979 - Daylight Saving Time Ended
When local daylight time was about to reach
Sunday, October 28, 1979, 2:00:00 am clocks were turned backward 1 hour to
Sunday, October 28, 1979, 1:00:00 am local standard time instead.
Sunrise and sunset were about 1 hour earlier on Oct 28, 1979 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 — 1973 | DST not observed | |
| 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 | Sunday, April 30, 2:00 am | Sunday, October 29, 2:00 am |
| 1979 | Sunday, April 29, 2:00 am | Sunday, October 28, 2:00 am |
| All times are local for District of Portland. | ||
Data for the years before 1970 is not available for District of Portland, however, we have earlier time zone history for Kingston available.
Detailed time zone and clock changes in District of Portland