Harvard Sunrise and Sunset Calendar 2025
In 2025, the longest day in Harvard is June 20, 2025 with 15 hours, 18 minutes of daylight, and the shortest is December 21, 2025 with 9 hours, 4 minutes, a difference of 6 hours, 13 minutes.
- Daylight
- Civil twilight
- Night
Earliest sunriseJune 11, 2025
Latest sunriseNovember 1, 2025
Earliest sunsetDecember 4, 2025
Latest sunsetJune 21, 2025
Month by month, 2025
Times on the 1st and 15th of each month
| Month | Sunrise 1st | Sunset 1st | Sunrise 15th | Sunset 15th | Average day | Change |
|---|---|---|---|---|---|---|
| January | 9h 30m | +0h 50m | ||||
| February | 10h 36m | +1h 11m | ||||
| March | 11h 58m | +1h 26m | ||||
| April | 13h 25m | +1h 19m | ||||
| May | 14h 38m | +0h 59m | ||||
| June | 15h 14m | +0h 09m | ||||
| July | 14h 55m | −0h 45m | ||||
| August | 13h 50m | −1h 16m | ||||
| September | 12h 27m | −1h 22m | ||||
| October | 11h 02m | −1h 22m | ||||
| November | 9h 47m | −0h 59m | ||||
| December | 9h 08m | −0h 10m |
Solstices and equinoxes in Harvard
| March equinox | March 20, 2025 | 12h 10m daylight |
|---|---|---|
| June solstice | June 20, 2025 | 15h 18m daylight |
| September equinox | September 22, 2025 | 12h 09m daylight |
| December solstice | December 21, 2025 | 9h 04m daylight |
North of the equator the June solstice brings the longest day and December the shortest.
Clock changes in 2025
| Clocks go forward | Sunday, March 9, 2025 | CDT |
|---|---|---|
| Clocks go back | Sunday, November 2, 2025 | CST |
On those days sunrise and sunset jump by an hour on the clock; the sun itself moves as usual.
Harvard daylight questions for 2025
When is the longest day of 2025 in Harvard?
June 20, 2025, with 15 hours, 18 minutes of daylight.
When is the shortest day of 2025 in Harvard?
December 21, 2025, with 9 hours, 4 minutes of daylight.
When is the earliest sunrise and latest sunset in Harvard in 2025?
The earliest sunrise is on June 11, 2025 at 5:17 AM and the latest sunset on June 21, 2025 at 8:35 PM, local time.