Lanzhou
Sunrise and sunset in Lanzhou
Today’s sunrise, sunset and twilight in Lanzhou, in local time. At 36.1° N, the day lasts from 9 h 42 min at the winter solstice to 14 h 37 min at the summer solstice.
Today · worked out at
Thursday, October 22: sunrise at 07:17, sunset at 18:20.
Day length 11 h 03 min, 2 min 9 s shorter than yesterday.
Solar noon at 12:49, with the Sun 43° above the horizon.
Times are Lanzhou time (GMT+8).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 05:51 | 19:46 |
| Nautical twilight | 06:21 | 19:16 |
| Civil twilight | 06:51 | 18:46 |
| Sunrise and sunset | 07:17 | 18:20 |
| Golden hour | 07:17–07:52 | 17:45–18:20 |
Each twilight begins at the morning time and ends at the evening one.
The year in Lanzhou
- Longest day: June 21, 14 h 37 min, from sunrise at 05:47 to sunset at 20:24.
- Shortest day: December 22, 9 h 42 min, from sunrise at 08:11 to sunset at 17:54.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 08:12 | 18:19 | 10 h 07 min |
| February 21 | 07:45 | 18:51 | 11 h 06 min |
| March 21 | 07:07 | 19:16 | 12 h 09 min |
| April 21 | 06:24 | 19:43 | 13 h 19 min |
| May 21 | 05:54 | 20:08 | 14 h 13 min |
| June 21 | 05:47 | 20:24 | 14 h 37 min |
| July 21 | 06:03 | 20:18 | 14 h 15 min |
| August 21 | 06:27 | 19:47 | 13 h 20 min |
| September 21 | 06:51 | 19:03 | 12 h 12 min |
| October 21 | 07:16 | 18:21 | 11 h 05 min |
| November 21 | 07:46 | 17:53 | 10 h 07 min |
| December 21 | 08:11 | 17:53 | 9 h 42 min |
Good to know
- Sunrise and sunset are when the top of the Sun meets a level horizon, allowing for the usual bending of light by the air. Hills, buildings and height shift what you see by a few minutes.
- Civil, nautical and astronomical twilight end when the Sun is 6°, 12° and 18° below the horizon. Golden hour here is the photographers’ usual definition: the Sun less than 6° above it.
- Worked out when the page loads from NOAA’s solar equations, for 36.1° N, 103.8° E, and accurate to about a minute.
How the layers work, where their data comes from and what they can’t tell you: Day and night, live, The Sun, Moon and planets
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