Duncanville, TX: shortest day and earliest sunset
The shortest day in Duncanville
On Dec 21 the sun rises at 7:26 am and sets at 5:26 pm: 10h 00m of daylight, a bright winter. The longest day of summer has 14h 18m, so the swing is 4h 18m.
When it gets better in Duncanville
- Earliest sunset: 5:21 pm on Dec 3, before the shortest day (here is why).
- Latest sunrise (standard time): 7:31 am on Jan 8.
- Daylight never drops below 10 hours here.
- By Feb 21 the days grow by 1.9 minutes a day.
Waking and coming home in the dark
With a 7:00 am alarm, the sun is not yet up on 139 weekdays a year. Heading home at 5:30 pm, it has already set on 34. 28 weekdays start and end in the dark. The alarm and lamp guide shows how that compares across the country.
At 32.6°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 Duncanville
- A sunrise alarm clock is worth getting here: on 73 weekdays the sun is still at least 20 minutes from rising at 7:00 am. Dark mornings run from Aug 31 to Apr 13, so set it up before Aug 31.
- There is some case for a light therapy lamp: 28 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 10 to Dec 25: worth checking your bike lights and porch light before Nov 10.
Daylight in Duncanville, month by month
Sunrise, sunset and day length on the 21st of each month, local clock time. December is the darkest, at 10h 00m.
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| July 2026 | 6:35 am | 8:33 pm | 13h 59m |
| August 2026 | 6:55 am | 8:06 pm | 13h 10m |
| September 2026 | 7:15 am | 7:26 pm | 12h 10m |
| October 2026 | 7:36 am | 6:48 pm | 11h 11m |
| November 2026 | 7:03 am | 5:24 pm | 10h 21m |
| December 2026 | 7:26 am | 5:26 pm | 10h 00m |
| January 2027 | 7:28 am | 5:50 pm | 10h 22m |
| February 2027 | 7:05 am | 6:18 pm | 11h 14m |
| March 2027 | 7:30 am | 7:40 pm | 12h 10m |
| April 2027 | 6:51 am | 8:02 pm | 13h 11m |
| May 2027 | 6:25 am | 8:24 pm | 13h 58m |
| June 2027 | 6:20 am | 8:39 pm | 14h 18m |
Duncanville against the places around it
On the shortest day, compared with Duncanville (10h 00m, sunset 5:26 pm):
- DeSoto, TX, 4 mi away: 10h 00m of daylight (0 min), sunset 5:26 pm (0 min).
- Cedar Hill, TX, 5 mi away: 10h 00m of daylight (0 min), sunset 5:26 pm (0 min).
- Grand Prairie, TX, 7 mi away: 10h 00m of daylight (0 min), sunset 5:26 pm (0 min).
- Glenn Heights, TX, 7 mi away: 10h 01m of daylight (+1 min), sunset 5:26 pm (0 min).
- Lancaster, TX, 9 mi away: 10h 00m of daylight (0 min), sunset 5:26 pm (0 min).