| Sunrise | Sunset | Daylight | |
|---|---|---|---|
| Today | 05:55 | 19:09 | 13h 14m |
| Tomorrow | 05:54 | 19:10 | 13h 16m |
| Change | −1m | +1m | +2m |
Positive change in sunset / daylight = days are getting longer. Negative change in sunrise = sun is rising earlier.
Today's light segments for Asan. Amber = daylight, violet = twilight, dark = night.
Sunrise and sunset on the 1st of each month in Asan.
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 07:45 | 17:27 | 9h 42m |
| February | 07:35 | 17:57 | 10h 22m |
| March | 07:05 | 18:26 | 11h 21m |
| April | 06:19 | 18:54 | 12h 35m |
| May | 05:39 | 19:20 | 13h 41m |
| June | 05:16 | 19:46 | 14h 30m |
| July | 05:17 | 19:56 | 14h 39m |
| August | 05:38 | 19:40 | 14h 02m |
| September | 06:03 | 19:03 | 13h 00m |
| October | 06:27 | 18:18 | 11h 51m |
| November | 06:56 | 17:37 | 10h 41m |
| December | 07:26 | 17:17 | 9h 51m |
Asan is located at 36.79°N, 127.00°E. Its latitude determines how dramatically daylight hours change through the year.
The city uses the Asia/Seoul timezone (GMT+9). It does not observe Daylight Saving Time, so solar times shift gradually through the year without abrupt clock changes.
Solar noon — the moment the sun reaches its highest point in the sky — occurs when the sun crosses the local meridian. In Asan this falls around 12:31 in mid-summer and 12:22 in December, reflecting UTC offset and any DST adjustments.