Sunset in Lanzhou today
September 4, 2026 · Lanzhou, China
2,628,426 people
Sunset in Lanzhou today is at 19:31. Day length is 12h 51m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Lanzhou's coordinates and updated daily.
Lanzhou lies at 36°N. In Lanzhou, day length ranges from 9h 42m in winter to 14h 37m in summer — a swing of about 4h 54m.
The sun goes down towards the west in Lanzhou today, at a bearing of 280°. Civil twilight then lasts another 26 minutes before it gets properly dark. The sun sets 47 minutes later in Lanzhou than in Beijing, 1180 km to the east-northeast.
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 Lanzhou.
The longest day in Lanzhou is around 14h 37m (around June 21). The shortest is around 9h 42m (around December 21). Days are currently getting shorter — losing about 2 minutes per day.
Sunset in Lanzhou by month
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 18:13 | 08:15 | 9h 58m |
| February | 18:46 | 07:54 | 10h 52m |
| March | 19:12 | 07:17 | 11h 55m |
| April | 19:38 | 06:33 | 13h 5m |
| May | 20:04 | 06:00 | 14h 4m |
| June | 20:24 | 05:48 | 14h 36m |
| July | 20:23 | 05:59 | 14h 23m |
| August | 19:57 | 06:23 | 13h 34m |
| September | 19:14 | 06:48 | 12h 27m |
| October | 18:31 | 07:12 | 11h 19m |
| November | 17:59 | 07:42 | 10h 17m |
| December | 17:52 | 08:09 | 9h 44m |