Lạng Sơn
Sunrise and sunset in Lạng Sơn
Today’s sunrise, sunset and twilight in Lạng Sơn, in local time. At 21.9° N, the day lasts from 10 h 48 min at the winter solstice to 13 h 28 min at the summer solstice.
Today · worked out at
Thursday, October 22: sunrise at 05:51, sunset at 17:22.
Day length 11 h 31 min, 1 min 10 s shorter than yesterday.
Solar noon at 11:37, with the Sun 57° above the horizon.
Times are Lạng Sơn time (GMT+7).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 04:36 | 18:37 |
| Nautical twilight | 05:02 | 18:11 |
| Civil twilight | 05:28 | 17:45 |
| Sunrise and sunset | 05:51 | 17:22 |
| Golden hour | 05:51–06:21 | 16:52–17:22 |
Each twilight begins at the morning time and ends at the evening one.
The year in Lạng Sơn
- Longest day: June 21, 13 h 28 min, from sunrise at 05:10 to sunset at 18:38.
- Shortest day: December 22, 10 h 48 min, from sunrise at 06:27 to sunset at 17:15.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 06:33 | 17:34 | 11 h 01 min |
| February 21 | 06:20 | 17:53 | 11 h 33 min |
| March 21 | 05:56 | 18:04 | 12 h 08 min |
| April 21 | 05:28 | 18:14 | 12 h 46 min |
| May 21 | 05:11 | 18:27 | 13 h 16 min |
| June 21 | 05:10 | 18:38 | 13 h 28 min |
| July 21 | 05:20 | 18:37 | 13 h 17 min |
| August 21 | 05:32 | 18:19 | 12 h 47 min |
| September 21 | 05:41 | 17:50 | 12 h 09 min |
| October 21 | 05:51 | 17:23 | 11 h 33 min |
| November 21 | 06:08 | 17:09 | 11 h 01 min |
| December 21 | 06:26 | 17:14 | 10 h 48 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 21.9° N, 106.8° 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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