July 21, 2026 · Butterworth, Malaysia
Sunset in Butterworth today is at 19:37. Day length is 12h 23m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Butterworth's coordinates and updated daily.
Butterworth lies at 5°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 Butterworth.
The longest day in Butterworth is around 12h 26m (around June 21). The shortest is around 11h 49m (around December 21).
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 19:24 | 07:33 | 11h 50m |
| February | 19:32 | 07:35 | 11h 57m |
| March | 19:31 | 07:26 | 12h 5m |
| April | 19:26 | 07:12 | 12h 14m |
| May | 19:27 | 07:05 | 12h 22m |
| June | 19:33 | 07:07 | 12h 26m |
| July | 19:37 | 07:13 | 12h 24m |
| August | 19:33 | 07:15 | 12h 18m |
| September | 19:19 | 07:10 | 12h 9m |
| October | 19:05 | 07:05 | 12h 0m |
| November | 19:00 | 07:08 | 11h 53m |
| December | 19:09 | 07:20 | 11h 49m |