Sunrise and sunset times in Rio Vista, CA
Check out today's and tomorrow's sunrise and sunset times in Rio Vista, CA, United States, as well as the whole calendar for August 2026.
Today
August 19, 2026 . Current time: 12:59:39 am
First light at 5:57:47 am
Sunrise time: 6:24:11 am
Sunset time: 7:56:27 pm
Last light at 8:22:50 pm
Day length: 13 hours, 32 minutes
18 hours, 56 minutes left for today's sunset in Rio Vista
Moon will rise on Aug 19 at 12:58 PM
Moon will set on Aug 19 at 10:27 PMMoon phase: 🌒 Waxing Crescent (43%)🌕 Full moon: Aug 27 at 9:19 PM · 🌑 New moon: Sep 10 at 8:27 PMTomorrow
August 20, 2026
First light at 5:58:44 am
Sunrise time: 6:25:03 am
Sunset time: 7:55:05 pm
Last light at 8:21:25 pm
Day length: 13 hours, 30 minutes
Tomorrow will be 2 minutes shorter than today in Rio Vista
Moon will rise on Aug 20 at 1:59 PM Moon will set on Aug 20 at 11:08 PMMoon phase: 🌔 Waxing Gibbous (61%)
- Rio Vista, California
- Latitude: 38.155750
- Longitude: -121.691345
- Time zone: Pacific Time PDT
Shortest day in Rio Vista, CA
The shortest day of the year will be in 4 months, during the winter solstice on December 21, 2026, with a daylight length of 9 hours and 33 minutes.Longest day in Rio Vista, CA
The longest day of the year was 1 month and 29 days ago, during the summer solstice on June 20, 2026, with a daylight length of 14 hours and 52 minutes.
August 2026 - Rio Vista, California - Sunrise and sunset calendar
Sunrise and sunset times, civil twilight start and end times as well as solar noon, and day length for every day of August in Rio Vista.
The day length shortens by 1 hour, 4 minutes over the course of August 2026 in Rio Vista, CA - from 14 hours, 9 minutes on the first day to 13 hours, 4 minutes on the last day.
| Day | First Light | Sunrise | Sunset | Last Light | Day Length | Day Length Variation | Solar Noon
Time of day when the sun reaches its highest point in the sky.
|
Max Sun Altitude | Nautical Twilight Start | Nautical Twilight End | Astronomical Twilight Start | Astronomical Twilight End | Night Length
Calculated form this day's sunset to the next day's sunrise.
|
Moon phase |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sat, Aug 1 | 5:40:38 am | 6:08:25 am | 8:17:47 pm | 8:45:34 pm | 14h 9m 22s | 14h 9m 22s | 1:13:06 pm | 56° | 5:04:53 am | 9:21:19 pm | 4:26:07 am | 10:00:05 pm | 9h 51m 29s | 🌖 (93%) |
| Sun, Aug 2 | 5:41:34 am | 6:09:16 am | 8:16:47 pm | 8:44:29 pm | 14h 7m 31s | -1m -51s | 1:13:02 pm | 55.7° | 5:05:58 am | 9:20:05 pm | 4:27:25 am | 9:58:38 pm | 9h 53m 21s | 🌖 (87%) |
| Mon, Aug 3 | 5:42:31 am | 6:10:08 am | 8:15:45 pm | 8:43:22 pm | 14h 5m 37s | -1m -54s | 1:12:57 pm | 55.5° | 5:07:03 am | 9:18:50 pm | 4:28:43 am | 9:57:10 pm | 9h 55m 16s | 🌖 (79%) |
| Tue, Aug 4 | 5:43:28 am | 6:11:01 am | 8:14:41 pm | 8:42:14 pm | 14h 3m 40s | -1m -57s | 1:12:51 pm | 55.2° | 5:08:08 am | 9:17:34 pm | 4:30:01 am | 9:55:41 pm | 9h 57m 12s | 🌖 (69%) |
| Wed, Aug 5 | 5:44:26 am | 6:11:53 am | 8:13:37 pm | 8:41:04 pm | 14h 1m 44s | -1m -56s | 1:12:45 pm | 54.9° | 5:09:14 am | 9:16:16 pm | 4:31:19 am | 9:54:10 pm | 9h 59m 8s | 🌖 (59%) |
| Thu, Aug 6 | 5:45:23 am | 6:12:45 am | 8:12:31 pm | 8:39:53 pm | 13h 59m 46s | -1m -58s | 1:12:38 pm | 54.7° | 5:10:19 am | 9:14:57 pm | 4:32:37 am | 9:52:39 pm | 10h 1m 7s | 🌗 (48%) |
| Fri, Aug 7 | 5:46:20 am | 6:13:38 am | 8:11:24 pm | 8:38:41 pm | 13h 57m 46s | -2m 0s | 1:12:31 pm | 54.4° | 5:11:25 am | 9:13:37 pm | 4:33:55 am | 9:51:06 pm | 10h 3m 6s | 🌘 (37%) |
| Sat, Aug 8 | 5:47:18 am | 6:14:30 am | 8:10:15 pm | 8:37:28 pm | 13h 55m 45s | -2m -1s | 1:12:23 pm | 54.1° | 5:12:30 am | 9:12:15 pm | 4:35:13 am | 9:49:33 pm | 10h 5m 8s | 🌘 (26%) |
| Sun, Aug 9 | 5:48:15 am | 6:15:23 am | 8:09:05 pm | 8:36:14 pm | 13h 53m 42s | -2m -3s | 1:12:14 pm | 53.8° | 5:13:36 am | 9:10:53 pm | 4:36:31 am | 9:47:58 pm | 10h 7m 11s | 🌘 (16%) |
| Mon, Aug 10 | 5:49:13 am | 6:16:16 am | 8:07:55 pm | 8:34:58 pm | 13h 51m 39s | -2m -3s | 1:12:05 pm | 53.5° | 5:14:41 am | 9:09:29 pm | 4:37:48 am | 9:46:22 pm | 10h 9m 14s | 🌘 (8%) |
| Tue, Aug 11 | 5:50:10 am | 6:17:09 am | 8:06:42 pm | 8:33:41 pm | 13h 49m 33s | -2m -6s | 1:11:56 pm | 53.2° | 5:15:47 am | 9:08:05 pm | 4:39:05 am | 9:44:46 pm | 10h 11m 19s | 🌘 (3%) |
| Wed, Aug 12 | 5:51:07 am | 6:18:01 am | 8:05:29 pm | 8:32:23 pm | 13h 47m 28s | -2m -5s | 1:11:45 pm | 52.9° | 5:16:52 am | 9:06:39 pm | 4:40:22 am | 9:43:08 pm | 10h 13m 25s | 🌑 (0%) |
| Thu, Aug 13 | 5:52:05 am | 6:18:54 am | 8:04:15 pm | 8:31:04 pm | 13h 45m 21s | -2m -7s | 1:11:35 pm | 52.6° | 5:17:57 am | 9:05:12 pm | 4:41:39 am | 9:41:30 pm | 10h 15m 32s | 🌒 (0%) |
| Fri, Aug 14 | 5:53:02 am | 6:19:47 am | 8:02:59 pm | 8:29:44 pm | 13h 43m 12s | -2m -9s | 1:11:23 pm | 52.3° | 5:19:02 am | 9:03:45 pm | 4:42:55 am | 9:39:51 pm | 10h 17m 41s | 🌒 (3%) |
| Sat, Aug 15 | 5:53:59 am | 6:20:40 am | 8:01:43 pm | 8:28:23 pm | 13h 41m 3s | -2m -9s | 1:11:11 pm | 52° | 5:20:07 am | 9:02:16 pm | 4:44:11 am | 9:38:12 pm | 10h 19m 50s | 🌒 (8%) |
| Sun, Aug 16 | 5:54:56 am | 6:21:33 am | 8:00:25 pm | 8:27:01 pm | 13h 38m 52s | -2m -11s | 1:10:59 pm | 51.7° | 5:21:11 am | 9:00:47 pm | 4:45:27 am | 9:36:31 pm | 10h 22m 0s | 🌒 (15%) |
| Mon, Aug 17 | 5:55:54 am | 6:22:25 am | 7:59:07 pm | 8:25:39 pm | 13h 36m 42s | -2m -10s | 1:10:46 pm | 51.4° | 5:22:15 am | 8:59:17 pm | 4:46:42 am | 9:34:50 pm | 10h 24m 11s | 🌒 (24%) |
| Tue, Aug 18 | 5:56:50 am | 6:23:18 am | 7:57:47 pm | 8:24:15 pm | 13h 34m 29s | -2m -13s | 1:10:33 pm | 51° | 5:23:20 am | 8:57:46 pm | 4:47:56 am | 9:33:09 pm | 10h 26m 24s | 🌒 (33%) |
| Wed, Aug 19 | 5:57:47 am | 6:24:11 am | 7:56:27 pm | 8:22:50 pm | 13h 32m 16s | -2m -13s | 1:10:19 pm | 50.7° | 5:24:24 am | 8:56:14 pm | 4:49:11 am | 9:31:27 pm | 10h 28m 36s | 🌒 (42%) |
| Thu, Aug 20 | 5:58:44 am | 6:25:03 am | 7:55:05 pm | 8:21:25 pm | 13h 30m 2s | -2m -14s | 1:10:04 pm | 50.4° | 5:25:27 am | 8:54:42 pm | 4:50:25 am | 9:29:44 pm | 10h 30m 51s | 🌓 (52%) |
| Fri, Aug 21 | 5:59:41 am | 6:25:56 am | 7:53:43 pm | 8:19:59 pm | 13h 27m 47s | -2m -15s | 1:09:50 pm | 50° | 5:26:31 am | 8:53:09 pm | 4:51:38 am | 9:28:01 pm | 10h 33m 5s | 🌔 (61%) |
| Sat, Aug 22 | 6:00:37 am | 6:26:48 am | 7:52:20 pm | 8:18:32 pm | 13h 25m 32s | -2m -15s | 1:09:34 pm | 49.7° | 5:27:34 am | 8:51:35 pm | 4:52:51 am | 9:26:17 pm | 10h 35m 21s | 🌔 (70%) |
| Sun, Aug 23 | 6:01:33 am | 6:27:41 am | 7:50:56 pm | 8:17:04 pm | 13h 23m 15s | -2m -17s | 1:09:18 pm | 49.4° | 5:28:36 am | 8:50:00 pm | 4:54:04 am | 9:24:33 pm | 10h 37m 37s | 🌔 (78%) |
| Mon, Aug 24 | 6:02:29 am | 6:28:33 am | 7:49:32 pm | 8:15:35 pm | 13h 20m 59s | -2m -16s | 1:09:02 pm | 49° | 5:29:39 am | 8:48:26 pm | 4:55:16 am | 9:22:49 pm | 10h 39m 53s | 🌔 (86%) |
| Tue, Aug 25 | 6:03:25 am | 6:29:25 am | 7:48:06 pm | 8:14:06 pm | 13h 18m 41s | -2m -18s | 1:08:46 pm | 48.7° | 5:30:41 am | 8:46:50 pm | 4:56:27 am | 9:21:04 pm | 10h 42m 11s | 🌔 (92%) |
| Wed, Aug 26 | 6:04:21 am | 6:30:17 am | 7:46:40 pm | 8:12:36 pm | 13h 16m 23s | -2m -18s | 1:08:29 pm | 48.3° | 5:31:43 am | 8:45:14 pm | 4:57:38 am | 9:19:19 pm | 10h 44m 29s | 🌔 (96%) |
| Thu, Aug 27 | 6:05:17 am | 6:31:09 am | 7:45:13 pm | 8:11:06 pm | 13h 14m 4s | -2m -19s | 1:08:11 pm | 48° | 5:32:45 am | 8:43:38 pm | 4:58:49 am | 9:17:34 pm | 10h 46m 48s | 🌔 (99%) |
| Fri, Aug 28 | 6:06:12 am | 6:32:01 am | 7:43:46 pm | 8:09:35 pm | 13h 11m 45s | -2m -19s | 1:07:54 pm | 47.6° | 5:33:46 am | 8:42:01 pm | 4:59:59 am | 9:15:48 pm | 10h 49m 7s | 🌕 (100%) |
| Sat, Aug 29 | 6:07:07 am | 6:32:53 am | 7:42:18 pm | 8:08:04 pm | 13h 9m 25s | -2m -20s | 1:07:36 pm | 47.3° | 5:34:47 am | 8:40:24 pm | 5:01:08 am | 9:14:03 pm | 10h 51m 27s | 🌖 (99%) |
| Sun, Aug 30 | 6:08:02 am | 6:33:45 am | 7:40:49 pm | 8:06:32 pm | 13h 7m 4s | -2m -21s | 1:07:17 pm | 46.9° | 5:35:48 am | 8:38:46 pm | 5:02:17 am | 9:12:17 pm | 10h 53m 48s | 🌖 (95%) |
| Mon, Aug 31 | 6:08:57 am | 6:34:37 am | 7:39:20 pm | 8:04:59 pm | 13h 4m 43s | -2m -21s | 1:06:58 pm | 46.6° | 5:36:48 am | 8:37:08 pm | 5:03:26 am | 9:10:31 pm | 10h 56m 9s | 🌖 (89%) |
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Sunrise and Sunset photos in Rio Vista, CA
Enjoy this beautiful gallery of images of the sunset and sunrise at Rio Vista, CA. All images provided by our fantastic community of photographers!
Year distribution of sunrise and sunset times in Rio Vista, CA - 2026
The following graph shows sunrise and sunset times in Rio Vista, CA for every day of the year. There are two jumps in the graph that represent the hour change for Daylight Saving Time (DST) in Rio Vista, CA.
Daylight Dawn & dusk (civil twilight) Night Solar noon · Vertical steps in the curves = DST clock change
Earliest and latest sunrise and sunset in Rio Vista, CA
In Rio Vista, CA, the earliest sunrise of 2026 is on June 13 at 5:41 am, while the latest sunrise is on October 31 at 7:30 am. The earliest sunset is on December 6 at 4:48 pm, and the latest sunset is on June 28 at 8:35 pm.
Rio Vista, CA gets 5h 18m more daylight on the longest day than on the shortest one (14h 52m versus 9h 33m). Averaged over the whole year, a day lasts 12h 14m.
Places near Rio Vista, CA
These nearby towns and cities have almost the same sunrise and sunset times as Rio Vista, CA — the difference is only seconds to a couple of minutes. Select any place to see its own sun calendar:
Isleton 7 kmBethel Island 16 kmOakley 18 kmWalnut Grove 18 kmAntioch 20 kmPittsburg 22 kmThornton 25 kmBrentwood 25 km