Vietnam · 21.02°N, 105.84°E
Daylight hours in Hanoi
Hanoi gets 13h 25m of daylight on its longest day, around June 21, and 10h 51m on its shortest, around December 21: a swing of 2h 34m across the year. Its summer is in June.
Today in Hanoi
Sunrise–
Sunset–
Daylight–
vs yesterday–
Sunrise and sunset through the year
Local time, including daylight saving time where Hanoi observes it, which is why the lines can jump by an hour. The shaded band is daylight. 2026 dates.
Key days
Longest day13h 25mJune 21 · 05:17–18:41
Shortest day10h 51mDecember 21 · 06:30–17:21
March equinox12h 06mMarch 20 · 06:02–18:08
Fastest change+1.2 min/dayaround March 20
Daylight by month
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January 1 | 06:34 | 17:27 | 10h 53m |
| February 1 | 06:35 | 17:47 | 11h 13m |
| March 1 | 06:18 | 18:02 | 11h 43m |
| April 1 | 05:51 | 18:12 | 12h 21m |
| May 1 | 05:27 | 18:22 | 12h 55m |
| June 1 | 05:16 | 18:35 | 13h 19m |
| July 1 | 05:19 | 18:43 | 13h 24m |
| August 1 | 05:31 | 18:36 | 13h 05m |
| September 1 | 05:41 | 18:15 | 12h 33m |
| October 1 | 05:48 | 17:46 | 11h 58m |
| November 1 | 06:00 | 17:22 | 11h 22m |
| December 1 | 06:18 | 17:15 | 10h 57m |
Cities with similar daylight
These cities sit within 3° of Hanoi’s latitude in the same hemisphere, so their days grow and shrink almost in step:
Its mirror images are across the equator at a similar distance from it. Their longest days come when Hanoi’s are shortest:
- Rio de Janeiro 22.91°S · compare
- Belo Horizonte 19.92°S · compare
- Bulawayo 20.15°S · compare
More: all cities between 20°–30° North · compare Hanoi with any city