Jan 21, 1974, 12:00 midnight
| End DST: | Friday, February 20, 1970 — 0:30 hours backward |
|---|---|
| Start DST: | Sunday, October 25, 1970 — 0:30 hours forward |
Feb 21
Back 0:30 hours
Feb 21, 1970 - Daylight Saving Time Ended
When local daylight time was about to reach
Saturday, February 21, 1970, 12:00:00 midnight clocks were turned backward 0:30 hours to
Friday, February 20, 1970, 11:30:00 pm local standard time instead.
Also called Fall Back and Winter Time.
Oct 25
Forward 0:30 hours
Oct 25, 1970 - Daylight Saving Time Started
When local standard time was about to reach
Sunday, October 25, 1970, 12:00:00 midnight clocks were turned forward 0:30 hours to
Sunday, October 25, 1970, 12:30:00 am local daylight time instead.
Also called Spring Forward, Summer Time, and Daylight Savings Time.
Daylight Saving Time in Other Years
DST changes do not necessarily occur on the same date every year.
| Year | DST End (Clock Backward) | DST Start (Clock Forward) |
|---|---|---|
| 1970 | Saturday, February 21, 12:00 midnight | Sunday, October 25, 12:00 midnight |
| 1971 | Wednesday, January 20, 12:00 midnight | Sunday, October 31, 12:00 midnight |
| 1972 | Friday, January 21, 12:00 midnight | Sunday, October 29, 12:00 midnight |
| 1973 | Sunday, January 21, 12:00 midnight | Sunday, October 28, 12:00 midnight |
| 1974 | Monday, January 21, 12:00 midnight | No DST Start |
| 1975 — 1979 | DST not observed | |
| All times are local for 18°27'59.1"N, 69°57'03.8"W. | ||
Data for the years before 1970 is not available for 18°27'59.1"N, 69°57'03.8"W, however, we have earlier time zone history for Santo Domingo available.
Detailed time zone and clock changes in 18°27'59.1"N, 69°57'03.8"W