July 21, 2026 · Tongshan, China
Sunset in Tongshan today is at 19:22. Day length is 14h 7m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Tongshan's coordinates and updated daily.
Tongshan lies at 34°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 Tongshan.
The longest day in Tongshan is around 14h 26m (around June 21). The shortest is around 9h 52m (around December 21). Days are currently getting shorter — losing about 1 minute per day.
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 17:25 | 07:18 | 10h 7m |
| February | 17:55 | 06:58 | 10h 57m |
| March | 18:19 | 06:24 | 11h 55m |
| April | 18:43 | 05:42 | 13h 1m |
| May | 19:06 | 05:11 | 13h 55m |
| June | 19:25 | 05:00 | 14h 25m |
| July | 19:25 | 05:11 | 14h 14m |
| August | 19:01 | 05:33 | 13h 28m |
| September | 18:21 | 05:55 | 12h 26m |
| October | 17:39 | 06:17 | 11h 23m |
| November | 17:09 | 06:45 | 10h 25m |
| December | 17:04 | 07:10 | 9h 53m |