Oct 9, 1988, 3:00 am
| Start DST: | Sunday, May 10, 1987 — 1 hour forward |
|---|---|
| End DST: | Sunday, October 11, 1987 — 1 hour backward |
May 10
Forward 1 hour
May 10, 1987 - Daylight Saving Time Started
When local standard time was about to reach
Sunday, May 10, 1987, 2:00:00 am clocks were turned forward 1 hour to
Sunday, May 10, 1987, 3:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on May 10, 1987 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 11
Back 1 hour
Oct 11, 1987 - Daylight Saving Time Ended
When local daylight time was about to reach
Sunday, October 11, 1987, 3:00:00 am clocks were turned backward 1 hour to
Sunday, October 11, 1987, 2:00:00 am local standard time instead.
Sunrise and sunset were about 1 hour earlier on Oct 11, 1987 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) |
|---|---|---|
| 1980 — 1986 | DST not observed | |
| 1987 | Sunday, May 10, 2:00 am | Sunday, October 11, 3:00 am |
| 1988 | Sunday, May 8, 2:00 am | Sunday, October 9, 3:00 am |
| 1989 | DST not observed | |
| All times are local for Seoul. | ||