What time is sunrise and sunset in Princeton?

Today and tomorrow's sunrise and sunset times in Princeton, Massachusetts. Plus a monthly calendar with dawn, dusk, solar noon, and day length.

Today

Monday, July 27, 2026

Sunrise

5:35 AM

63° ENEDawn 5:03 AM

Sunrise in Princeton was at 5:35:49 AM EDT (2 hours ago).

Sunset

8:14 PM

297° WNWDusk 8:46 PM

Sunset in Princeton will be at 8:14:33 PM EDT (in 13 hours).

Now

5:35a8:14p

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Daylight now · Golden hour at 7:34 PM

Daylight: 14h 38m
Darkness: 5h 22m
Solar noon: 12:55 PM
Sun altitude: 16.6°
Sun direction: 79° E

Tomorrow

Tuesday, July 28, 2026

Sunrise

5:36 AM

63° ENEDawn 5:04 AM

Sunrise in Princeton will be at 5:36:49 AM EDT (in 22 hours).

Sunset

8:13 PM

297° WNWDusk 8:45 PM

Sunset in Princeton will be at 8:13:32 PM EDT (in 37 hours).

Moon tonight

Phase, moonrise and moonset in Princeton

Full Moon

96% illuminated

Moonrise: 7:21 PM
Moonset: 3:14 AM

Calendar

America/New_York · click a day to expand

	Date	Dawn	Sunrise	Solar Noon	Sunset	Dusk	Length
	1 Wed	4:40 am	5:15 am	12:52 pm	8:29 pm	9:04 pm	15:14:28
	2 Thu	4:41 am	5:15 am	12:52 pm	8:29 pm	9:04 pm	15:13:48
	3 Fri	4:41 am	5:16 am	12:52 pm	8:29 pm	9:03 pm	15:13:03
	4 Sat	4:42 am	5:16 am	12:53 pm	8:29 pm	9:03 pm	15:12:15
	5 Sun	4:43 am	5:17 am	12:53 pm	8:28 pm	9:03 pm	15:11:23
	6 Mon	4:43 am	5:18 am	12:53 pm	8:28 pm	9:02 pm	15:10:28
	7 Tue	4:44 am	5:18 am	12:53 pm	8:28 pm	9:02 pm	15:09:29
	8 Wed	4:45 am	5:19 am	12:53 pm	8:27 pm	9:02 pm	15:08:26
	9 Thu	4:45 am	5:20 am	12:53 pm	8:27 pm	9:01 pm	15:07:20
	10 Fri	4:46 am	5:20 am	12:53 pm	8:27 pm	9:01 pm	15:06:11
	11 Sat	4:47 am	5:21 am	12:54 pm	8:26 pm	9:00 pm	15:04:58
	12 Sun	4:48 am	5:22 am	12:54 pm	8:26 pm	8:59 pm	15:03:42
	13 Mon	4:49 am	5:23 am	12:54 pm	8:25 pm	8:59 pm	15:02:22
	14 Tue	4:50 am	5:23 am	12:54 pm	8:24 pm	8:58 pm	15:00:59
	15 Wed	4:51 am	5:24 am	12:54 pm	8:24 pm	8:57 pm	14:59:34
	16 Thu	4:52 am	5:25 am	12:54 pm	8:23 pm	8:57 pm	14:58:05
	17 Fri	4:53 am	5:26 am	12:54 pm	8:23 pm	8:56 pm	14:56:33
	18 Sat	4:53 am	5:27 am	12:54 pm	8:22 pm	8:55 pm	14:54:58
	19 Sun	4:54 am	5:28 am	12:54 pm	8:21 pm	8:54 pm	14:53:21
	20 Mon	4:55 am	5:29 am	12:54 pm	8:20 pm	8:53 pm	14:51:40
	21 Tue	4:57 am	5:30 am	12:55 pm	8:19 pm	8:53 pm	14:49:57
	22 Wed	4:58 am	5:30 am	12:55 pm	8:19 pm	8:52 pm	14:48:11
	23 Thu	4:59 am	5:31 am	12:55 pm	8:18 pm	8:51 pm	14:46:23
	24 Fri	5:00 am	5:32 am	12:55 pm	8:17 pm	8:50 pm	14:44:32
	25 Sat	5:01 am	5:33 am	12:55 pm	8:16 pm	8:49 pm	14:42:38
	26 Sun	5:02 am	5:34 am	12:55 pm	8:15 pm	8:48 pm	14:40:42
	27 Mon	5:03 am	5:35 am	12:55 pm	8:14 pm	8:46 pm	14:38:44
Monday, July 27 14:38:44 of daylight·−1m 58s vs. yesterday·twilight 5:03 am – 8:46 pm Time 7:15 AM Altitude 16.6° Heading 79° E Light Daylight 7:15 AM, Daylight, altitude 16.6 degrees
	28 Tue	5:04 am	5:36 am	12:55 pm	8:13 pm	8:45 pm	14:36:44
	29 Wed	5:05 am	5:37 am	12:55 pm	8:12 pm	8:44 pm	14:34:41
	30 Thu	5:06 am	5:38 am	12:55 pm	8:11 pm	8:43 pm	14:32:36
	31 Fri	5:07 am	5:39 am	12:55 pm	8:10 pm	8:42 pm	14:30:29

Photos

Sunrise and sunset photos of Princeton from Flickr.

FAQ

Frequently asked questions about sunrise and sunset in Princeton, United States

What time does the sun rise in Princeton today?: Sunrise in Princeton today (Monday, July 27, 2026) is at 5:35 AM. The sun comes up in the ENE.
What time does the sun set in Princeton today?: Sunset today is at 8:14 PM, after 14h 38m of daylight.
When is the longest day in Princeton, United States?: The longest day of 2026 in Princeton is Sunday, June 21, 2026, the summer solstice, with 15h 17m of daylight. In 2027 the summer solstice falls on June 21, 2027.
When is the shortest day in Princeton, United States?: The shortest day of 2026 in Princeton, Massachusetts is Monday, December 21, 2026, the winter solstice, with 9h 03m of daylight. In 2027 the winter solstice lands on December 21, 2027.
How much more daylight does Princeton get in summer than in winter?: Princeton gets 6h 13m more daylight on its longest day than on its shortest (15h 17m against 9h 03m). Averaged across the year, a day here has 12h 12m of daylight.
When is the earliest sunrise in Princeton?: The earliest sunrise of 2026 in Princeton is on Monday, June 15, 2026, when the sun comes up at 5:11 AM.
When is the latest sunset in Princeton?: The latest sunset is on Saturday, June 27, 2026 at 8:30 PM.
When is the earliest sunset in Princeton?: The earliest sunset of the year is on Wednesday, December 9, 2026, with the sun down by 4:16 PM.
When is the latest sunrise in Princeton?: The latest sunrise is on Saturday, October 31, 2026 at 7:20 AM.
Does Princeton observe daylight saving time?: Yes. Princeton uses Eastern Time: clocks go forward on March 8, 2026, then back on November 1, 2026. Sunrise and sunset times jump by an hour on those dates.

Developers: get this data programmatically with the free JSON API.

GET https://api.sunrisesunset.io/json?lat=42.4487&lng=-71.8773