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What time is sunrise and sunset in Acton?

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

Today

Sunrise
6:23 AM
80° EDawn 5:57 AM

Sunrise in Acton will be at 6:23:17 AM PDT (in 5 hours).

Sunset
7:19 PM
280° WDusk 7:45 PM

Sunset in Acton will be at 7:19:35 PM PDT (in 18 hours).

Now
12a6a12p6p12a

Night now · First light at 4:56 AM

Daylight
12h 56m
Darkness
8h 19m
Solar noon
12:51 PM
Sun altitude
47.8° below
Sun direction
9° N

Tomorrow

Sunrise
6:24 AM
81° EDawn 5:58 AM

Sunrise in Acton will be at 6:24:00 AM PDT (in 29 hours).

Sunset
7:18 PM
279° WDusk 7:43 PM

Sunset in Acton will be at 7:18:12 PM PDT (in 42 hours).

Moon tonight

Phase, moonrise and moonset in Acton

Last Quarter
45% illuminated
Moonrise
Doesn't rise
Moonset
2:36 PM

Calendar

America/Los_Angeles · click a day to expand

DateSunriseSunsetLength
1 Tue6:21 am7:23 pm13:02:32
2 Wed6:21 am7:22 pm13:00:28
3 Thu6:22 am7:20 pm12:58:23
4 Fri6:23 am7:19 pm12:56:17
Friday, September 4
12:56:17 of daylight·−2m 6s vs. yesterday·twilight 5:57 am – 7:45 pm
12a3a6a9a12p3p6p9p12a6:23 am12:51 pm7:19 pmhorizon
Time
1:18 AM
Altitude
-47.8°
Heading
10° N
Light
Night

1:18 AM, Night, altitude -47.8 degrees

5 Sat6:24 am7:18 pm12:54:11
6 Sun6:24 am7:16 pm12:52:05
7 Mon6:25 am7:15 pm12:49:59
8 Tue6:26 am7:14 pm12:47:52
9 Wed6:26 am7:12 pm12:45:46
10 Thu6:27 am7:11 pm12:43:39
11 Fri6:28 am7:09 pm12:41:31
12 Sat6:28 am7:08 pm12:39:24
13 Sun6:29 am7:06 pm12:37:17
14 Mon6:30 am7:05 pm12:35:09
15 Tue6:31 am7:04 pm12:33:01
16 Wed6:31 am7:02 pm12:30:53
17 Thu6:32 am7:01 pm12:28:45
18 Fri6:33 am6:59 pm12:26:37
19 Sat6:33 am6:58 pm12:24:29
20 Sun6:34 am6:57 pm12:22:21
21 Mon6:35 am6:55 pm12:20:12
22 Tue6:36 am6:54 pm12:18:04
23 Wed6:36 am6:52 pm12:15:56
24 Thu6:37 am6:51 pm12:13:48
25 Fri6:38 am6:49 pm12:11:40
26 Sat6:38 am6:48 pm12:09:32
27 Sun6:39 am6:47 pm12:07:24
28 Mon6:40 am6:45 pm12:05:16
29 Tue6:41 am6:44 pm12:03:08
30 Wed6:41 am6:42 pm12:01:00

FAQ

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

What time does the sun rise in Acton today?
Sunrise in Acton today (Friday, September 4, 2026) is at 6:23 AM. The sun comes up in the E.
What time does the sun set in Acton today?
Sunset today is at 7:19 PM, after 12h 56m of daylight.
When is the longest day in Acton, United States?
The longest day of 2026 in Acton is Sunday, June 21, 2026, the summer solstice, with 14h 27m of daylight. In 2027 the summer solstice falls on June 21, 2027.
When is the shortest day in Acton, United States?
The shortest day of 2026 in Acton, California is Monday, December 21, 2026, the winter solstice, with 9h 50m of daylight. In 2027 the winter solstice lands on December 21, 2027.
How much more daylight does Acton get in summer than in winter?
Acton gets 4h 37m more daylight on its longest day than on its shortest (14h 27m against 9h 50m). Averaged across the year, a day here has 12h 10m of daylight.
When is the earliest sunrise in Acton?
The earliest sunrise of 2026 in Acton is on Friday, June 12, 2026, when the sun comes up at 5:41 AM.
When is the latest sunset in Acton?
The latest sunset is on Monday, June 29, 2026 at 8:10 PM.
When is the earliest sunset in Acton?
The earliest sunset of the year is on Saturday, December 5, 2026, with the sun down by 4:43 PM.
When is the latest sunrise in Acton?
The latest sunrise is on Sunday, March 8, 2026 at 7:14 AM.
Does Acton observe daylight saving time?
Yes. Acton uses Pacific 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=34.46999&lng=-118.19674