Allentown, PA · 2026
Sunrise and sunset in Allentown, Pennsylvania
Short answer
- Longest day
- 15 h 05 min
- Shortest day
- 9 h 16 min
Allentown daylight through 2026
Daylight in Allentown runs from 9 h 16 min on December 21 to 15 h 05 min on June 21, a seasonal swing of 5 h 49 min between June 21 and December 21. That swing ranks 83rd 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 09 min.
Allentown daylight by month
| Month | Average | Sunrise | Sunset |
|---|---|---|---|
| January | 9 h 40 min | 7:12 AM to 7:25 AM | 4:45 PM to 5:18 PM |
| February | 10 h 41 min | 6:37 AM to 7:11 AM | 5:19 PM to 5:52 PM |
| March | 11 h 58 min | 6:26 AM to 7:24 AM | 5:53 PM to 7:25 PM |
| April | 13 h 19 min | 6:01 AM to 6:45 AM | 7:26 PM to 7:56 PM |
| May | 14 h 27 min | 5:33 AM to 6:00 AM | 7:57 PM to 8:25 PM |
| June | 15 h 02 min | 5:30 AM to 5:34 AM | 8:26 PM to 8:36 PM |
| July | 14 h 44 min | 5:34 AM to 5:58 AM | 8:18 PM to 8:36 PM |
| August | 13 h 44 min | 5:58 AM to 6:28 AM | 7:35 PM to 8:16 PM |
| September | 12 h 27 min | 6:29 AM to 6:57 AM | 6:45 PM to 7:33 PM |
| October | 11 h 06 min | 6:58 AM to 7:30 AM | 5:59 PM to 6:43 PM |
| November | 9 h 56 min | 6:32 AM to 7:05 AM | 4:35 PM to 4:58 PM |
| December | 9 h 20 min | 7:06 AM to 7:25 AM | 4:34 PM to 4:44 PM |
Earliest sunrise, latest sunset and the clock
The earliest sunrise comes on June 9 at 5:30 AM and the latest sunset on June 20 at 8:36 PM. The latest sunrise is 7:30 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. Allentown sits at 75.48° W, so the sun runs about 2 minutes behind the zone clock. Solar noon is at 12:11 PM on January 15 and 1:07 PM on July 15.
Compared with nearby cities
Harrisburg, the state capital, gets 2 minutes less daylight than Allentown 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 |
|---|---|---|---|
| Rochester, NY | 43.17° N | 15 h 23 min | 8 h 59 min |
| Syracuse, NY | 43.04° N | 15 h 22 min | 9 h 00 min |
| Stamford, CT | 41.08° N | 15 h 08 min | 9 h 13 min |
| Yonkers, NY | 40.95° N | 15 h 07 min | 9 h 14 min |
| Paterson, NJ | 40.91° N | 15 h 07 min | 9 h 14 min |
| Newark, NJ | 40.72° N | 15 h 06 min | 9 h 15 min |
| Jersey City, NJ | 40.71° N | 15 h 06 min | 9 h 15 min |
| Elizabeth, NJ | 40.67° N | 15 h 05 min | 9 h 16 min |
| New York, NY | 40.66° N | 15 h 05 min | 9 h 16 min |
| Allentown, PA | 40.59° N | 15 h 05 min | 9 h 16 min |
| Philadelphia, PA | 40.01° N | 15 h 01 min | 9 h 20 min |
| Baltimore, MD | 39.30° N | 14 h 56 min | 9 h 24 min |
| Washington, DC | 38.90° N | 14 h 54 min | 9 h 26 min |
Questions people ask
What is the longest day of the year in Allentown?
June 21, 2026, with 15 h 05 min of daylight: sunrise 5:31 AM, sunset 8:36 PM.
What is the shortest day in Allentown?
December 21, 2026, with 9 h 16 min: sunrise 7:22 AM, sunset 4:38 PM.
When is the latest sunset in Allentown?
8:36 PM on June 20, 2026. The earliest sunset is 4:34 PM on December 4.
What time zone is Allentown 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 Allentown, 40.594° N, 75.478° 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.