July 21, 2026 · Pematangsiantar, Indonesia
Sunset in Pematangsiantar today is at 18:39. Day length is 12h 16m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Pematangsiantar's coordinates and updated daily.
Pematangsiantar 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 Pematangsiantar.
The longest day in Pematangsiantar is around 12h 18m (around June 21). The shortest is around 11h 57m (around December 21).
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 18:33 | 06:35 | 11h 58m |
| February | 18:40 | 06:38 | 12h 1m |
| March | 18:37 | 06:31 | 12h 6m |
| April | 18:30 | 06:19 | 12h 11m |
| May | 18:29 | 06:13 | 12h 15m |
| June | 18:34 | 06:16 | 12h 17m |
| July | 18:38 | 06:22 | 12h 17m |
| August | 18:36 | 06:23 | 12h 13m |
| September | 18:24 | 06:16 | 12h 8m |
| October | 18:12 | 06:09 | 12h 3m |
| November | 18:09 | 06:10 | 11h 59m |
| December | 18:18 | 06:21 | 11h 57m |