Lowell, MA · 2026
Sunrise and sunset in Lowell, Massachusetts
Short answer
- Longest day
- 15 h 19 min
- Shortest day
- 9 h 03 min
Lowell daylight through 2026
Daylight in Lowell runs from 9 h 03 min on December 21 to 15 h 19 min on June 21, a seasonal swing of 6 h 16 min between June 21 and December 21. That swing ranks 37th of 342 US cities of 100,000+, where 1st is the largest. Around the March equinox the city gets 12 h 09 min, and around the September equinox 12 h 10 min.
Lowell daylight by month
| Month | Average | Sunrise | Sunset |
|---|---|---|---|
| January | 9 h 28 min | 7:00 AM to 7:15 AM | 4:22 PM to 4:57 PM |
| February | 10 h 34 min | 6:22 AM to 6:59 AM | 4:58 PM to 5:33 PM |
| March | 11 h 58 min | 6:10 AM to 7:09 AM | 5:34 PM to 7:10 PM |
| April | 13 h 24 min | 5:41 AM to 6:27 AM | 7:11 PM to 7:44 PM |
| May | 14 h 38 min | 5:10 AM to 5:39 AM | 7:45 PM to 8:15 PM |
| June | 15 h 16 min | 5:06 AM to 5:10 AM | 8:16 PM to 8:27 PM |
| July | 14 h 57 min | 5:11 AM to 5:36 AM | 8:06 PM to 8:26 PM |
| August | 13 h 51 min | 5:37 AM to 6:09 AM | 7:21 PM to 8:05 PM |
| September | 12 h 28 min | 6:10 AM to 6:41 AM | 6:28 PM to 7:19 PM |
| October | 11 h 02 min | 6:42 AM to 7:17 AM | 5:39 PM to 6:26 PM |
| November | 9 h 46 min | 6:19 AM to 6:54 AM | 4:13 PM to 4:37 PM |
| December | 9 h 07 min | 6:55 AM to 7:15 AM | 4:11 PM to 4:21 PM |
Earliest sunrise, latest sunset and the clock
The earliest sunrise comes on June 12 at 5:06 AM and the latest sunset on June 23 at 8:27 PM. The latest sunrise is 7:17 AM on October 31. Daylight saving time starts and ends on March 8 and November 1, which shifts every clock time by an hour.
On standard time the clocks run 5 hours behind UTC, the time of the 75° W meridian. Lowell sits at 71.32° W, so the sun runs about 15 minutes ahead of the zone clock. Solar noon is at 11:54 AM on January 15 and 12:51 PM on July 15.
Compared with nearby cities
Boston, the state capital, gets 2 minutes less daylight than Lowell on June 21 and 2 minutes more on December 21. Day length depends on latitude, so the table lists the paired cities from north to south.
| City | Latitude | June 21 | December 21 |
|---|---|---|---|
| Manchester, NH | 42.98° N | 15 h 22 min | 9 h 00 min |
| Lowell, MA | 42.64° N | 15 h 19 min | 9 h 03 min |
| Lynn, MA | 42.47° N | 15 h 18 min | 9 h 04 min |
| Cambridge, MA | 42.38° N | 15 h 17 min | 9 h 04 min |
| Boston, MA | 42.34° N | 15 h 17 min | 9 h 05 min |
| Worcester, MA | 42.27° N | 15 h 17 min | 9 h 05 min |
| Quincy, MA | 42.26° N | 15 h 16 min | 9 h 05 min |
| Springfield, MA | 42.12° N | 15 h 15 min | 9 h 06 min |
| Brockton, MA | 42.08° N | 15 h 15 min | 9 h 06 min |
| Providence, RI | 41.82° N | 15 h 13 min | 9 h 08 min |
| New Bedford, MA | 41.66° N | 15 h 12 min | 9 h 09 min |
Questions people ask
What is the longest day of the year in Lowell?
June 21, 2026, with 15 h 19 min of daylight: sunrise 5:07 AM, sunset 8:26 PM.
What is the shortest day in Lowell?
December 21, 2026, with 9 h 03 min: sunrise 7:12 AM, sunset 4:14 PM.
When is the latest sunset in Lowell?
8:27 PM on June 23, 2026. The earliest sunset is 4:11 PM on December 5.
What time zone is Lowell in?
America/New_York. Clocks change on March 8 (to EDT) and November 1 (to EST) in 2026.
Sources and data as of
Data as of: computed for 2026 at the Census internal point of Lowell, 42.639° N, 71.321° W; time zone from Open-Meteo.
- 01SunCalc library (Vladimir Agafonkin), algorithms after Jean Meeus
- 02IANA time zone database (clock times and daylight saving rules)
How every number is computed: methodology. Spotted a wrong figure? Report an error.