July 21, 2026 · Blacktown, Australia
Sunset in Blacktown today is at 17:10. Day length is 10h 13m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Blacktown's coordinates and updated daily.
Blacktown lies at 34°S. At this latitude, day length varies moderately — from around 10 hours in midwinter to 14–15 hours in midsummer.
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 Blacktown.
The longest day in Blacktown is around 14h 24m (around December 21). The shortest is around 9h 54m (around June 21). Days are currently getting longer — gaining about 1 minute per day.
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 20:11 | 06:01 | 14h 9m |
| February | 19:51 | 06:32 | 13h 19m |
| March | 19:17 | 06:56 | 12h 21m |
| April | 17:35 | 06:19 | 11h 16m |
| May | 17:05 | 06:42 | 10h 24m |
| June | 16:55 | 07:00 | 9h 55m |
| July | 17:06 | 07:00 | 10h 6m |
| August | 17:27 | 06:37 | 10h 50m |
| September | 17:48 | 05:57 | 11h 51m |
| October | 19:09 | 06:16 | 12h 53m |
| November | 19:37 | 05:46 | 13h 51m |
| December | 20:03 | 05:41 | 14h 23m |