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What time is sunrise and sunset in Rio Vista?

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

Today

Sunrise
6:38 AM
80° EDawn 6:11 AM

Sunrise in Rio Vista will be at 6:38:35 AM PDT (in 5 hours).

Sunset
7:32 PM
279° WDusk 7:59 PM

Sunset in Rio Vista will be at 7:32:12 PM PDT (in 18 hours).

Now
12a6a12p6p12a

Night now · First light at 5:06 AM

Daylight
12h 53m
Darkness
8h 03m
Solar noon
1:05 PM
Sun altitude
44.2° below
Sun direction
8° N

Tomorrow

Sunrise
6:39 AM
81° EDawn 6:12 AM

Sunrise in Rio Vista will be at 6:39:26 AM PDT (in 29 hours).

Sunset
7:30 PM
279° WDusk 7:57 PM

Sunset in Rio Vista will be at 7:30:40 PM PDT (in 42 hours).

Moon tonight

Phase, moonrise and moonset in Rio Vista

Last Quarter
45% illuminated
Moonrise
Doesn't rise
Moonset
3:04 PM

Calendar

America/Los_Angeles · click a day to expand

DateSunriseSunsetLength
1 Tue6:36 am7:36 pm13:00:44
2 Wed6:36 am7:35 pm12:58:22
3 Thu6:37 am7:33 pm12:56:00
4 Fri6:38 am7:32 pm12:53:37
Friday, September 4
12:53:37 of daylight·−2m 23s vs. yesterday·twilight 6:11 am – 7:59 pm
12a3a6a9a12p3p6p9p12a6:38 am1:05 pm7:32 pmhorizon
Time
1:30 AM
Altitude
-44.2°
Heading
8° N
Light
Night

1:30 AM, Night, altitude -44.2 degrees

5 Sat6:39 am7:30 pm12:51:14
6 Sun6:40 am7:29 pm12:48:50
7 Mon6:41 am7:27 pm12:46:26
8 Tue6:42 am7:26 pm12:44:02
9 Wed6:42 am7:24 pm12:41:37
10 Thu6:43 am7:22 pm12:39:12
11 Fri6:44 am7:21 pm12:36:47
12 Sat6:45 am7:19 pm12:34:21
13 Sun6:46 am7:18 pm12:31:56
14 Mon6:47 am7:16 pm12:29:30
15 Tue6:48 am7:15 pm12:27:04
16 Wed6:48 am7:13 pm12:24:38
17 Thu6:49 am7:11 pm12:22:12
18 Fri6:50 am7:10 pm12:19:45
19 Sat6:51 am7:08 pm12:17:19
20 Sun6:52 am7:07 pm12:14:52
21 Mon6:53 am7:05 pm12:12:26
22 Tue6:54 am7:04 pm12:09:59
23 Wed6:54 am7:02 pm12:07:32
24 Thu6:55 am7:00 pm12:05:05
25 Fri6:56 am6:59 pm12:02:39
26 Sat6:57 am6:57 pm12:00:12
27 Sun6:58 am6:56 pm11:57:45
28 Mon6:59 am6:54 pm11:55:19
29 Tue7:00 am6:53 pm11:52:52
30 Wed7:01 am6:51 pm11:50:26

FAQ

Frequently asked questions about sunrise and sunset in Rio Vista, United States

What time does the sun rise in Rio Vista today?
Sunrise in Rio Vista today (Friday, September 4, 2026) is at 6:38 AM. The sun comes up in the E.
What time does the sun set in Rio Vista today?
Sunset today is at 7:32 PM, after 12h 53m of daylight.
When is the longest day in Rio Vista, United States?
The longest day of 2026 in Rio Vista is Sunday, June 21, 2026, the summer solstice, with 14h 49m of daylight. In 2027 the summer solstice falls on June 21, 2027.
When is the shortest day in Rio Vista, United States?
The shortest day of 2026 in Rio Vista, California is Monday, December 21, 2026, the winter solstice, with 9h 30m of daylight. In 2027 the winter solstice lands on December 21, 2027.
How much more daylight does Rio Vista get in summer than in winter?
Rio Vista gets 5h 18m more daylight on its longest day than on its shortest (14h 49m against 9h 30m). Averaged across the year, a day here has 12h 11m of daylight.
When is the earliest sunrise in Rio Vista?
The earliest sunrise of 2026 in Rio Vista is on Saturday, June 13, 2026, when the sun comes up at 5:44 AM.
When is the latest sunset in Rio Vista?
The latest sunset is on Sunday, June 28, 2026 at 8:35 PM.
When is the earliest sunset in Rio Vista?
The earliest sunset of the year is on Monday, December 7, 2026, with the sun down by 4:48 PM.
When is the latest sunrise in Rio Vista?
The latest sunrise is on Saturday, October 31, 2026 at 7:32 AM.
Does Rio Vista observe daylight saving time?
Yes. Rio Vista 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=38.16389&lng=-121.69583