Mar 8, 2026, 12:00 midnight
| Start DST: | Sunday, May 7, 1978 — 1 hour forward |
|---|---|
| End DST: | Saturday, October 7, 1978 — 1 hour backward |
May 7
Forward 1 hour
May 7, 1978 - Daylight Saving Time Started
When local standard time was about to reach
Sunday, May 7, 1978, 12:00:00 midnight clocks were turned forward 1 hour to
Sunday, May 7, 1978, 1:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on May 7, 1978 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 8
Back 1 hour
Oct 8, 1978 - Daylight Saving Time Ended
When local daylight time was about to reach
Sunday, October 8, 1978, 12:00:00 midnight clocks were turned backward 1 hour to
Saturday, October 7, 1978, 11:00:00 pm local standard time instead.
Sunrise and sunset were about 1 hour earlier on Oct 8, 1978 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 26, 12:00 midnight | Sunday, October 25, 12:00 midnight |
| 1971 | Sunday, April 25, 12:00 midnight | Sunday, October 31, 12:00 midnight |
| 1972 | Sunday, April 30, 12:00 midnight | Sunday, October 8, 12:00 midnight |
| 1973 | Sunday, April 29, 12:00 midnight | Monday, October 8, 12:00 midnight |
| 1974 | Sunday, April 28, 12:00 midnight | Tuesday, October 8, 12:00 midnight |
| 1975 | Sunday, April 27, 12:00 midnight | Sunday, October 26, 12:00 midnight |
| 1976 | Sunday, April 25, 12:00 midnight | Sunday, October 31, 12:00 midnight |
| 1977 | Sunday, April 24, 12:00 midnight | Sunday, October 30, 12:00 midnight |
| 1978 | Sunday, May 7, 12:00 midnight | Sunday, October 8, 12:00 midnight |
| 1979 | Sunday, March 18, 12:00 midnight | Sunday, October 14, 12:00 midnight |
| All times are local for 21°50'08.3"N, 84°55'16.6"W. | ||
Data for the years before 1970 is not available for 21°50'08.3"N, 84°55'16.6"W, however, we have earlier time zone history for Havana available.
Detailed time zone and clock changes in 21°50'08.3"N, 84°55'16.6"W