July 21, 2026 · Thái Nguyên, Vietnam
Sunset in Thái Nguyên today is at 18:42. Day length is 13h 16m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Thái Nguyên's coordinates and updated daily.
Thái Nguyên lies at 22°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 Thái Nguyên.
The longest day in Thái Nguyên is around 13h 27m (around June 21). The shortest is around 10h 49m (around December 21). Days are currently getting shorter — losing about 1 minute per day.
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 17:35 | 06:38 | 10h 57m |
| February | 17:55 | 06:29 | 11h 26m |
| March | 18:06 | 06:07 | 11h 60m |
| April | 18:16 | 05:38 | 12h 38m |
| May | 18:29 | 05:19 | 13h 9m |
| June | 18:41 | 05:15 | 13h 26m |
| July | 18:43 | 05:23 | 13h 20m |
| August | 18:29 | 05:35 | 12h 53m |
| September | 18:02 | 05:44 | 12h 17m |
| October | 17:33 | 05:53 | 11h 41m |
| November | 17:16 | 06:08 | 11h 7m |
| December | 17:17 | 06:28 | 10h 50m |