Oct 9, 1988, 3:00 am
| Start DST: | Tuesday, June 1, 1948 — 1 hour forward |
|---|---|
| End DST: | Sunday, September 12, 1948 — 1 hour backward |
Jun 1
Forward 1 hour
Jun 1, 1948 - Daylight Saving Time Started
When local standard time was about to reach
Tuesday, June 1, 1948, 12:00:00 midnight clocks were turned forward 1 hour to
Tuesday, June 1, 1948, 1:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on Jun 1, 1948 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.
Sep 13
Back 1 hour
Sep 13, 1948 - Daylight Saving Time Ended
When local daylight time was about to reach
Monday, September 13, 1948, 12:00:00 midnight clocks were turned backward 1 hour to
Sunday, September 12, 1948, 11:00:00 pm local standard time instead.
Sunrise and sunset were about 1 hour earlier on Sep 13, 1948 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) |
|---|---|---|
| 1925 — 1947 | DST not observed | |
| 1948 | Tuesday, June 1, 12:00 midnight | Monday, September 13, 12:00 midnight |
| 1949 | Sunday, April 3, 12:00 midnight | Sunday, September 11, 12:00 midnight |
| All times are local for Seoul. | ||