Summerville, SC: shortest day and earliest sunset
The shortest day in Summerville
On Dec 21 the sun rises at 7:20 am and sets at 5:18 pm: 9h 58m of daylight, a moderate winter. The longest day of summer has 14h 20m, so the swing is 4h 22m.
When it gets better in Summerville
- Earliest sunset: 5:14 pm on Dec 4, before the shortest day (here is why).
- Latest sunrise (standard time): 7:24 am on Jan 8.
- Back above 10 hours of daylight: Dec 30.
- 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 119 weekdays a year. Heading home at 5:30 pm, it has already set on 49. 32 weekdays start and end in the dark. The alarm and lamp guide shows how that compares across the country.
At 33.0°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 Summerville
- A sunrise alarm clock is worth considering if you get up at 7:00 am or earlier: 48 weekday mornings here are still properly dark at that hour, mostly between Sep 9 and Apr 7.
- There is some case for a light therapy lamp: 32 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 Jan 7: worth checking your bike lights and porch light before Nov 2.
Daylight in Summerville, month by month
Sunrise, sunset and day length on the 21st of each month, local clock time. December is the darkest, at 9h 58m.
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| July 2026 | 6:27 am | 8:27 pm | 14h 00m |
| August 2026 | 6:48 am | 7:59 pm | 13h 11m |
| September 2026 | 7:08 am | 7:19 pm | 12h 10m |
| October 2026 | 7:30 am | 6:40 pm | 11h 11m |
| November 2026 | 6:57 am | 5:16 pm | 10h 19m |
| December 2026 | 7:20 am | 5:18 pm | 9h 58m |
| January 2027 | 7:22 am | 5:42 pm | 10h 20m |
| February 2027 | 6:58 am | 6:11 pm | 11h 13m |
| March 2027 | 7:23 am | 7:33 pm | 12h 10m |
| April 2027 | 6:44 am | 7:55 pm | 13h 11m |
| May 2027 | 6:18 am | 8:17 pm | 14h 00m |
| June 2027 | 6:13 am | 8:33 pm | 14h 20m |
Summerville against the places around it
On the shortest day, compared with Summerville (9h 58m, sunset 5:18 pm):
- North Charleston, SC, 9 mi away: 9h 59m of daylight (+1 min), sunset 5:18 pm (0 min).
- Goose Creek, SC, 10 mi away: 9h 58m of daylight (0 min), sunset 5:17 pm (-1 min).
- Hanahan, SC, 11 mi away: 9h 59m of daylight (+1 min), sunset 5:18 pm (0 min).
- Charleston, SC, 17 mi away: 9h 59m of daylight (+1 min), sunset 5:18 pm (0 min).
- Moncks Corner, SC, 17 mi away: 9h 57m of daylight (-1 min), sunset 5:17 pm (-1 min).