July 21, 2026 · Blenheim, New Zealand
Blenheim has 9h 35m of daylight today. Sunrise is at 07:44 and sunset is at 17:18. All times are calculated astronomically for Blenheim's exact coordinates.
Blenheim lies at 42°S. At this latitude, day length varies moderately — from around 10 hours in midwinter to 14–15 hours in midsummer.
Day length changes fastest near the spring and autumn equinoxes and slowest near the longest day and shortest day of the year. See the year chart to visualise how daylight hours shift month by month for Blenheim, or see daylight hours for every day of the year.
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 | Day length | Sunrise | Sunset |
|---|---|---|---|
| January | 14h 51m | 06:08 | 21:00 |
| February | 13h 43m | 06:48 | 20:31 |
| March | 12h 26m | 07:21 | 19:47 |
| April | 11h 1m | 06:55 | 17:55 |
| May | 9h 50m | 07:26 | 17:17 |
| June | 9h 11m | 07:50 | 17:01 |
| July | 9h 26m | 07:48 | 17:14 |
| August | 10h 25m | 07:17 | 17:42 |
| September | 11h 46m | 06:28 | 18:13 |
| October | 13h 8m | 06:37 | 19:45 |
| November | 14h 26m | 05:56 | 20:23 |
| December | 15h 9m | 05:45 | 20:54 |