July 21, 2026 · Bintulu, Malaysia
Sunset in Bintulu today is at 18:43. Day length is 12h 17m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Bintulu's coordinates and updated daily.
Bintulu lies at 3°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 Bintulu.
The longest day in Bintulu is around 12h 18m (around June 21). The shortest is around 11h 56m (around December 21).
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 18:36 | 06:39 | 11h 57m |
| February | 18:43 | 06:42 | 12h 1m |
| March | 18:41 | 06:35 | 12h 6m |
| April | 18:34 | 06:23 | 12h 11m |
| May | 18:33 | 06:17 | 12h 16m |
| June | 18:38 | 06:20 | 12h 18m |
| July | 18:43 | 06:26 | 12h 17m |
| August | 18:40 | 06:27 | 12h 13m |
| September | 18:28 | 06:20 | 12h 8m |
| October | 18:16 | 06:13 | 12h 3m |
| November | 18:13 | 06:14 | 11h 59m |
| December | 18:22 | 06:25 | 11h 56m |