July 21, 2026 · Haiphong, Vietnam
Sunset in Haiphong today is at 18:37. Day length is 13h 13m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Haiphong's coordinates and updated daily.
Haiphong lies at 21°N. Near the tropics, day length stays close to 12 hours year-round, with only minor variation between seasons.
Sunset shifts later through spring and earlier through autumn — changing fastest near the equinoxes and slowest near the summer and winter solstices. See the year chart to visualise how sunset times shift month by month for Haiphong.
The longest day in Haiphong is around 13h 24m (around June 21). The shortest is around 10h 52m (around December 21). Days are currently getting shorter — losing about 1 minute per day.
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 17:33 | 06:33 | 10h 60m |
| February | 17:52 | 06:25 | 11h 28m |
| March | 18:03 | 06:03 | 12h 0m |
| April | 18:12 | 05:36 | 12h 37m |
| May | 18:24 | 05:17 | 13h 7m |
| June | 18:36 | 05:13 | 13h 23m |
| July | 18:38 | 05:21 | 13h 17m |
| August | 18:25 | 05:33 | 12h 52m |
| September | 17:58 | 05:41 | 12h 17m |
| October | 17:31 | 05:49 | 11h 42m |
| November | 17:13 | 06:04 | 11h 9m |
| December | 17:15 | 06:23 | 10h 52m |