Tenafly, NJ: shortest day and earliest sunset
The shortest day in Tenafly
On Dec 21 the sun rises at 7:17 am and sets at 4:31 pm: 9h 14m of daylight, a moderate winter. The longest day of summer has 15h 07m, so the swing is 5h 53m.
When it gets better in Tenafly
- Earliest sunset: 4:28 pm on Dec 7, before the shortest day (here is why).
- Latest sunrise (standard time): 7:21 am on Jan 4.
- Back above 10 hours of daylight: Jan 30.
- By Feb 21 the days grow by 2.6 minutes a day.
Waking and coming home in the dark
With a 7:00 am alarm, the sun is not yet up on 71 weekdays a year. Heading home at 5:30 pm, it has already set on 75. 50 weekdays start and end in the dark. The alarm and lamp guide shows how that compares across the country.
At 40.9°N this sits between Sarasota FL (27°N, 1.4%) and Nashua NH (43°N, 9.7%) in a 1990 survey of winter depression by latitude.
What to do about it in Tenafly
- You probably do not need a sunrise alarm clock for a 7:00 am start here: only 12 weekday mornings are still properly dark. If you get up earlier, check the hour against the sunrise times in the table below.
- There is some case for a light therapy lamp: 50 weekdays start and end in the dark. If you notice winter low mood, ask a doctor whether one fits you.
- If you head home at 5:30 pm, the sun has already set from Nov 2 to Feb 12: worth checking your bike lights and porch light before Nov 2.
Daylight in Tenafly, month by month
Sunrise, sunset and day length on the 21st of each month, local clock time. December is the darkest, at 9h 14m.
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| July 2026 | 5:42 am | 8:22 pm | 14h 40m |
| August 2026 | 6:12 am | 7:45 pm | 13h 34m |
| September 2026 | 6:42 am | 6:55 pm | 12h 12m |
| October 2026 | 7:14 am | 6:06 pm | 10h 52m |
| November 2026 | 6:50 am | 4:33 pm | 9h 43m |
| December 2026 | 7:17 am | 4:31 pm | 9h 14m |
| January 2027 | 7:15 am | 4:59 pm | 9h 44m |
| February 2027 | 6:42 am | 5:37 pm | 10h 55m |
| March 2027 | 6:58 am | 7:09 pm | 12h 11m |
| April 2027 | 6:08 am | 7:42 pm | 13h 34m |
| May 2027 | 5:33 am | 8:12 pm | 14h 39m |
| June 2027 | 5:24 am | 8:31 pm | 15h 07m |
Tenafly against the places around it
On the shortest day, compared with Tenafly (9h 14m, sunset 4:31 pm):
- Englewood, NJ, 2 mi away: 9h 14m of daylight (0 min), sunset 4:31 pm (0 min).
- Bergenfield, NJ, 2 mi away: 9h 14m of daylight (0 min), sunset 4:31 pm (0 min).
- Dumont, NJ, 3 mi away: 9h 14m of daylight (0 min), sunset 4:31 pm (0 min).
- New Milford, NJ, 4 mi away: 9h 14m of daylight (0 min), sunset 4:31 pm (0 min).
- River Edge, NJ, 5 mi away: 9h 14m of daylight (0 min), sunset 4:31 pm (0 min).