Oct 21, 1979, 3:30 am
| Start DST: | Sunday, April 20, 1975 — 1 hour forward |
|---|---|
| End DST: | Sunday, October 19, 1975 — 1 hour backward |
Apr 20
Forward 1 hour
Apr 20, 1975 - Daylight Saving Time Started
When local standard time was about to reach
Sunday, April 20, 1975, 3:30:00 am clocks were turned forward 1 hour to
Sunday, April 20, 1975, 4:30:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on Apr 20, 1975 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 19
Back 1 hour
Oct 19, 1975 - Daylight Saving Time Ended
When local daylight time was about to reach
Sunday, October 19, 1975, 3:30:00 am clocks were turned backward 1 hour to
Sunday, October 19, 1975, 2:30:00 am local standard time instead.
Sunrise and sunset were about 1 hour earlier on Oct 19, 1975 than the day before. There was more light in the morning and less light in the evening.
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 19, 3:30 am | Sunday, October 18, 3:30 am |
| 1971 | Sunday, April 18, 3:30 am | Sunday, October 17, 3:30 am |
| 1972 | Sunday, April 16, 3:30 am | Sunday, October 22, 3:30 am |
| * 1973 | Sunday, April 22, 3:30 am | Sunday, October 21, 3:30 am |
| 1974 | No DST Start | Sunday, October 20, 3:30 am |
| 1975 | Sunday, April 20, 3:30 am | Sunday, October 19, 3:30 am |
| 1976 | Sunday, April 18, 3:30 am | Sunday, October 17, 3:30 am |
| 1977 — 1978 | DST not observed | |
| 1979 | Sunday, May 13, 3:30 am | Sunday, October 21, 3:30 am |
| All times are local for Macau. * All or part of this period was on double DST. | ||