July 21, 2026 · Cheongju-si, South Korea
Sunset in Cheongju-si today is at 19:46. Day length is 14h 19m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Cheongju-si's coordinates and updated daily.
Cheongju-si lies at 37°N. At this latitude, day length varies moderately — from around 10 hours in midwinter to 14–15 hours in midsummer.
Sunset shifts later through spring and earlier through autumn — changing fastest near the equinoxes and slowest near the summer and winter solstices. See the year chart to visualise how sunset times shift month by month for Cheongju-si.
The longest day in Cheongju-si is around 14h 40m (around June 21). The shortest is around 9h 39m (around December 21). Days are currently getting shorter — losing about 1 minute per day.
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 17:37 | 07:42 | 9h 55m |
| February | 18:10 | 07:20 | 10h 51m |
| March | 18:37 | 06:43 | 11h 54m |
| April | 19:04 | 05:58 | 13h 6m |
| May | 19:30 | 05:24 | 14h 6m |
| June | 19:51 | 05:12 | 14h 39m |
| July | 19:50 | 05:23 | 14h 26m |
| August | 19:23 | 05:48 | 13h 36m |
| September | 18:40 | 06:13 | 12h 28m |
| October | 17:56 | 06:37 | 11h 18m |
| November | 17:23 | 07:08 | 10h 15m |
| December | 17:16 | 07:36 | 9h 41m |