Kaiyuan
Sunrise and sunset in Kaiyuan
Today’s sunrise, sunset and twilight in Kaiyuan, in local time. At 23.7° N, the day lasts from 10 h 41 min at the winter solstice to 13 h 36 min at the summer solstice.
Today · worked out at
Thursday, October 22: sunrise at 07:07, sunset at 18:35.
Day length 11 h 28 min, 1 min 17 s shorter than yesterday.
Solar noon at 12:51, with the Sun 55° above the horizon.
Times are Kaiyuan time (GMT+8).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 05:51 | 19:50 |
| Nautical twilight | 06:17 | 19:24 |
| Civil twilight | 06:44 | 18:58 |
| Sunrise and sunset | 07:07 | 18:35 |
| Golden hour | 07:07–07:37 | 18:04–18:35 |
Each twilight begins at the morning time and ends at the evening one.
The year in Kaiyuan
- Longest day: June 21, 13 h 36 min, from sunrise at 06:20 to sunset at 19:56.
- Shortest day: December 22, 10 h 41 min, from sunrise at 07:44 to sunset at 18:25.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 07:50 | 18:45 | 10 h 55 min |
| February 21 | 07:35 | 19:05 | 11 h 30 min |
| March 21 | 07:10 | 19:18 | 12 h 08 min |
| April 21 | 06:40 | 19:30 | 12 h 50 min |
| May 21 | 06:22 | 19:44 | 13 h 22 min |
| June 21 | 06:20 | 19:56 | 13 h 36 min |
| July 21 | 06:31 | 19:54 | 13 h 23 min |
| August 21 | 06:44 | 19:35 | 12 h 51 min |
| September 21 | 06:55 | 19:04 | 12 h 10 min |
| October 21 | 07:06 | 18:35 | 11 h 29 min |
| November 21 | 07:25 | 18:19 | 10 h 55 min |
| December 21 | 07:44 | 18:24 | 10 h 41 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 23.7° N, 103.3° 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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