July 21, 2026 · Kalutara, Sri Lanka
Sunset in Kalutara today is at 18:31. Day length is 12h 27m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Kalutara's coordinates and updated daily.
Kalutara lies at 7°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 Kalutara.
The longest day in Kalutara is around 12h 30m (around June 21). The shortest is around 11h 44m (around December 21).
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 18:13 | 06:27 | 11h 47m |
| February | 18:23 | 06:28 | 11h 55m |
| March | 18:22 | 06:18 | 12h 5m |
| April | 18:19 | 06:03 | 12h 16m |
| May | 18:20 | 05:55 | 12h 25m |
| June | 18:26 | 05:56 | 12h 30m |
| July | 18:31 | 06:03 | 12h 28m |
| August | 18:26 | 06:06 | 12h 20m |
| September | 18:11 | 06:02 | 12h 10m |
| October | 17:56 | 05:57 | 11h 59m |
| November | 17:50 | 06:01 | 11h 49m |
| December | 17:58 | 06:14 | 11h 45m |