July 21, 2026 · Blenheim, New Zealand
Sunset in Blenheim today is at 17:18. Day length is 9h 35m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Blenheim's coordinates and updated daily.
Blenheim lies at 42°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 Blenheim.
The longest day in Blenheim is around 15h 11m (around December 21). The shortest is around 9h 10m (around June 21). Days are currently getting longer — gaining about 2 minutes per day.
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 21:00 | 06:08 | 14h 51m |
| February | 20:31 | 06:48 | 13h 43m |
| March | 19:47 | 07:21 | 12h 26m |
| April | 17:55 | 06:55 | 11h 1m |
| May | 17:17 | 07:26 | 9h 50m |
| June | 17:01 | 07:50 | 9h 11m |
| July | 17:14 | 07:48 | 9h 26m |
| August | 17:42 | 07:17 | 10h 25m |
| September | 18:13 | 06:28 | 11h 46m |
| October | 19:45 | 06:37 | 13h 8m |
| November | 20:23 | 05:56 | 14h 26m |
| December | 20:54 | 05:45 | 15h 9m |