July 21, 2026 · Cairns, Australia
Sunset in Cairns today is at 18:01. Day length is 11h 15m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Cairns's coordinates and updated daily.
Cairns lies at 17°S. 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 Cairns.
The longest day in Cairns is around 13h 8m (around December 21). The shortest is around 11h 7m (around June 21). Days are currently getting longer — gaining about 1 minute per day.
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 18:58 | 05:56 | 13h 2m |
| February | 18:52 | 06:13 | 12h 39m |
| March | 18:33 | 06:21 | 12h 13m |
| April | 18:09 | 06:26 | 11h 44m |
| May | 17:54 | 06:34 | 11h 20m |
| June | 17:52 | 06:44 | 11h 7m |
| July | 17:59 | 06:47 | 11h 12m |
| August | 18:08 | 06:37 | 11h 32m |
| September | 18:13 | 06:14 | 11h 59m |
| October | 18:17 | 05:50 | 12h 27m |
| November | 18:29 | 05:35 | 12h 54m |
| December | 18:46 | 05:39 | 13h 8m |