Laos · 17.97°N, 102.60°E
Daylight hours in Vientiane
Vientiane gets 13h 12m of daylight on its longest day, around June 21, and 11h 03m on its shortest, around December 21: a swing of 2h 09m across the year. Its summer is in June.
Today in Vientiane
Sunrise–
Sunset–
Daylight–
vs yesterday–
Sunrise and sunset through the year
Local time, including daylight saving time where Vientiane observes it, which is why the lines can jump by an hour. The shaded band is daylight. 2026 dates.
Key days
Longest day13h 12mJune 21 · 05:36–18:48
Shortest day11h 03mDecember 21 · 06:37–17:40
March equinox12h 06mMarch 20 · 06:15–18:21
Fastest change+1.0 min/dayaround March 20
Daylight by month
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January 1 | 06:41 | 17:46 | 11h 04m |
| February 1 | 06:43 | 18:04 | 11h 21m |
| March 1 | 06:30 | 18:16 | 11h 47m |
| April 1 | 06:05 | 18:23 | 12h 18m |
| May 1 | 05:44 | 18:31 | 12h 47m |
| June 1 | 05:34 | 18:42 | 13h 08m |
| July 1 | 05:38 | 18:50 | 13h 11m |
| August 1 | 05:49 | 18:45 | 12h 56m |
| September 1 | 05:56 | 18:25 | 12h 29m |
| October 1 | 06:01 | 18:00 | 11h 59m |
| November 1 | 06:09 | 17:39 | 11h 29m |
| December 1 | 06:25 | 17:34 | 11h 08m |
Cities with similar daylight
These cities sit within 3° of Vientiane’s latitude in the same hemisphere, so their days grow and shrink almost in step:
- Santo Domingo 18.47°N
- Hyderabad 17.38°N
- Mumbai 19.07°N
- Yangon 16.81°N
- Mexico City 19.43°N
- Khartoum 15.55°N
Its mirror images are across the equator at a similar distance from it. Their longest days come when Vientiane’s are shortest:
- Belo Horizonte 19.92°S · compare
- Harare 17.83°S · compare
- Antananarivo 18.91°S · compare
More: all cities between 10°–20° North · compare Vientiane with any city