Sunrise and sunset times in Castro Valley, CA
Check out today's and tomorrow's sunrise and sunset times in Castro Valley, CA, United States, as well as the whole calendar for August 2026.
Today
August 19, 2026 . Current time: 12:55:58 am
First light at 6:00:13 am
Sunrise time: 6:26:25 am
Sunset time: 7:57:16 pm
Last light at 8:23:28 pm
Day length: 13 hours, 30 minutes
19 hours, 1 minute left for today's sunset in Castro Valley
Moon will rise on Aug 19 at 12:58 PM
Moon will set on Aug 19 at 10:30 PMMoon phase: 🌒 Waxing Crescent (42%)🌕 Full moon: Aug 27 at 9:19 PM · 🌑 New moon: Sep 10 at 8:27 PMTomorrow
August 20, 2026
First light at 6:01:08 am
Sunrise time: 6:27:17 am
Sunset time: 7:55:56 pm
Last light at 8:22:04 pm
Day length: 13 hours, 28 minutes
Tomorrow will be 2 minutes shorter than today in Castro Valley
Moon will rise on Aug 20 at 1:59 PM Moon will set on Aug 20 at 11:11 PMMoon phase: 🌔 Waxing Gibbous (61%)
- Castro Valley, California
- Latitude: 37.695503
- Longitude: -122.073868
- Time zone: Pacific Time PDT
Shortest day in Castro Valley, 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 36 minutes.Longest day in Castro Valley, 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 49 minutes.
August 2026 - Castro Valley, 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 Castro Valley.
The day length shortens by 1 hour, 3 minutes over the course of August 2026 in Castro Valley, CA - from 14 hours, 7 minutes on the first day to 13 hours, 3 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 | 5:43:25 am | 6:10:58 am | 8:18:17 pm | 8:45:51 pm | 14h 7m 19s | 14h 7m 19s | 1:14:38 pm | 55.5° | 5:08:00 am | 9:21:15 pm | 4:29:43 am | 9:59:33 pm | 9h 53m 32s | 🌖 (93%) |
| Sun, Aug 2 | 5:44:20 am | 6:11:49 am | 8:17:18 pm | 8:44:46 pm | 14h 5m 29s | -1m -50s | 1:14:33 pm | 55.3° | 5:09:04 am | 9:20:03 pm | 4:30:59 am | 9:58:08 pm | 9h 55m 22s | 🌖 (87%) |
| Mon, Aug 3 | 5:45:16 am | 6:12:40 am | 8:16:17 pm | 8:43:41 pm | 14h 3m 37s | -1m -52s | 1:14:28 pm | 55° | 5:10:07 am | 9:18:49 pm | 4:32:15 am | 9:56:42 pm | 9h 57m 14s | 🌖 (79%) |
| Tue, Aug 4 | 5:46:12 am | 6:13:31 am | 8:15:14 pm | 8:42:34 pm | 14h 1m 43s | -1m -54s | 1:14:23 pm | 54.8° | 5:11:11 am | 9:17:34 pm | 4:33:31 am | 9:55:14 pm | 9h 59m 9s | 🌖 (69%) |
| Wed, Aug 5 | 5:47:08 am | 6:14:23 am | 8:14:11 pm | 8:41:25 pm | 13h 59m 48s | -1m -55s | 1:14:17 pm | 54.5° | 5:12:15 am | 9:16:18 pm | 4:34:47 am | 9:53:46 pm | 10h 1m 3s | 🌖 (59%) |
| Thu, Aug 6 | 5:48:04 am | 6:15:14 am | 8:13:06 pm | 8:40:16 pm | 13h 57m 52s | -1m -56s | 1:14:10 pm | 54.2° | 5:13:20 am | 9:15:00 pm | 4:36:03 am | 9:52:16 pm | 10h 2m 59s | 🌗 (48%) |
| Fri, Aug 7 | 5:49:00 am | 6:16:05 am | 8:12:00 pm | 8:39:05 pm | 13h 55m 55s | -1m -57s | 1:14:03 pm | 53.9° | 5:14:24 am | 9:13:41 pm | 4:37:20 am | 9:50:46 pm | 10h 4m 57s | 🌘 (37%) |
| Sat, Aug 8 | 5:49:57 am | 6:16:57 am | 8:10:52 pm | 8:37:53 pm | 13h 53m 55s | -2m 0s | 1:13:55 pm | 53.6° | 5:15:28 am | 9:12:21 pm | 4:38:35 am | 9:49:14 pm | 10h 6m 57s | 🌘 (26%) |
| Sun, Aug 9 | 5:50:53 am | 6:17:49 am | 8:09:44 pm | 8:36:39 pm | 13h 51m 55s | -2m 0s | 1:13:46 pm | 53.4° | 5:16:32 am | 9:11:00 pm | 4:39:51 am | 9:47:41 pm | 10h 8m 56s | 🌘 (16%) |
| Mon, Aug 10 | 5:51:49 am | 6:18:40 am | 8:08:34 pm | 8:35:25 pm | 13h 49m 54s | -2m -1s | 1:13:37 pm | 53.1° | 5:17:36 am | 9:09:38 pm | 4:41:07 am | 9:46:07 pm | 10h 10m 58s | 🌘 (8%) |
| Tue, Aug 11 | 5:52:45 am | 6:19:32 am | 8:07:23 pm | 8:34:09 pm | 13h 47m 51s | -2m -3s | 1:13:27 pm | 52.8° | 5:18:40 am | 9:08:15 pm | 4:42:22 am | 9:44:33 pm | 10h 13m 1s | 🌘 (3%) |
| Wed, Aug 12 | 5:53:42 am | 6:20:24 am | 8:06:11 pm | 8:32:53 pm | 13h 45m 47s | -2m -4s | 1:13:17 pm | 52.5° | 5:19:44 am | 9:06:51 pm | 4:43:37 am | 9:42:57 pm | 10h 15m 4s | 🌑 (0%) |
| Thu, Aug 13 | 5:54:38 am | 6:21:15 am | 8:04:57 pm | 8:31:35 pm | 13h 43m 42s | -2m -5s | 1:13:06 pm | 52.2° | 5:20:47 am | 9:05:25 pm | 4:44:52 am | 9:41:21 pm | 10h 17m 10s | 🌒 (0%) |
| Fri, Aug 14 | 5:55:34 am | 6:22:07 am | 8:03:43 pm | 8:30:16 pm | 13h 41m 36s | -2m -6s | 1:12:55 pm | 51.8° | 5:21:51 am | 9:03:59 pm | 4:46:06 am | 9:39:44 pm | 10h 19m 16s | 🌒 (3%) |
| Sat, Aug 15 | 5:56:30 am | 6:22:59 am | 8:02:28 pm | 8:28:56 pm | 13h 39m 29s | -2m -7s | 1:12:43 pm | 51.5° | 5:22:54 am | 9:02:32 pm | 4:47:21 am | 9:38:06 pm | 10h 21m 22s | 🌒 (8%) |
| Sun, Aug 16 | 5:57:26 am | 6:23:50 am | 8:01:11 pm | 8:27:36 pm | 13h 37m 21s | -2m -8s | 1:12:31 pm | 51.2° | 5:23:57 am | 9:01:04 pm | 4:48:34 am | 9:36:27 pm | 10h 23m 31s | 🌒 (15%) |
| Mon, Aug 17 | 5:58:22 am | 6:24:42 am | 7:59:54 pm | 8:26:14 pm | 13h 35m 12s | -2m -9s | 1:12:18 pm | 50.9° | 5:25:00 am | 8:59:35 pm | 4:49:48 am | 9:34:48 pm | 10h 25m 40s | 🌒 (24%) |
| Tue, Aug 18 | 5:59:17 am | 6:25:34 am | 7:58:35 pm | 8:24:51 pm | 13h 33m 1s | -2m -11s | 1:12:04 pm | 50.6° | 5:26:03 am | 8:58:06 pm | 4:51:01 am | 9:33:08 pm | 10h 27m 50s | 🌒 (33%) |
| Wed, Aug 19 | 6:00:13 am | 6:26:25 am | 7:57:16 pm | 8:23:28 pm | 13h 30m 51s | -2m -10s | 1:11:51 pm | 50.3° | 5:27:05 am | 8:56:36 pm | 4:52:13 am | 9:31:28 pm | 10h 30m 1s | 🌒 (42%) |
| Thu, Aug 20 | 6:01:08 am | 6:27:17 am | 7:55:56 pm | 8:22:04 pm | 13h 28m 39s | -2m -12s | 1:11:36 pm | 49.9° | 5:28:08 am | 8:55:05 pm | 4:53:25 am | 9:29:47 pm | 10h 32m 12s | 🌓 (52%) |
| Fri, Aug 21 | 6:02:04 am | 6:28:08 am | 7:54:35 pm | 8:20:39 pm | 13h 26m 27s | -2m -12s | 1:11:21 pm | 49.6° | 5:29:10 am | 8:53:33 pm | 4:54:37 am | 9:28:06 pm | 10h 34m 24s | 🌔 (61%) |
| Sat, Aug 22 | 6:02:59 am | 6:28:59 am | 7:53:13 pm | 8:19:13 pm | 13h 24m 14s | -2m -13s | 1:11:06 pm | 49.3° | 5:30:11 am | 8:52:01 pm | 4:55:48 am | 9:26:24 pm | 10h 36m 37s | 🌔 (70%) |
| Sun, Aug 23 | 6:03:54 am | 6:29:50 am | 7:51:50 pm | 8:17:47 pm | 13h 22m 0s | -2m -14s | 1:10:50 pm | 48.9° | 5:31:13 am | 8:50:28 pm | 4:56:59 am | 9:24:41 pm | 10h 38m 52s | 🌔 (78%) |
| Mon, Aug 24 | 6:04:49 am | 6:30:42 am | 7:50:27 pm | 8:16:19 pm | 13h 19m 45s | -2m -15s | 1:10:34 pm | 48.6° | 5:32:14 am | 8:48:54 pm | 4:58:09 am | 9:22:59 pm | 10h 41m 6s | 🌔 (86%) |
| Tue, Aug 25 | 6:05:44 am | 6:31:33 am | 7:49:02 pm | 8:14:51 pm | 13h 17m 29s | -2m -16s | 1:10:17 pm | 48.2° | 5:33:15 am | 8:47:20 pm | 4:59:19 am | 9:21:16 pm | 10h 43m 22s | 🌔 (92%) |
| Wed, Aug 26 | 6:06:38 am | 6:32:24 am | 7:47:37 pm | 8:13:23 pm | 13h 15m 13s | -2m -16s | 1:10:01 pm | 47.9° | 5:34:15 am | 8:45:46 pm | 5:00:29 am | 9:19:32 pm | 10h 45m 38s | 🌔 (96%) |
| Thu, Aug 27 | 6:07:32 am | 6:33:15 am | 7:46:12 pm | 8:11:54 pm | 13h 12m 57s | -2m -16s | 1:09:43 pm | 47.5° | 5:35:15 am | 8:44:11 pm | 5:01:37 am | 9:17:49 pm | 10h 47m 53s | 🌔 (99%) |
| Fri, Aug 28 | 6:08:27 am | 6:34:05 am | 7:44:45 pm | 8:10:24 pm | 13h 10m 40s | -2m -17s | 1:09:25 pm | 47.2° | 5:36:15 am | 8:42:35 pm | 5:02:46 am | 9:16:05 pm | 10h 50m 11s | 🌕 (100%) |
| Sat, Aug 29 | 6:09:21 am | 6:34:56 am | 7:43:18 pm | 8:08:54 pm | 13h 8m 22s | -2m -18s | 1:09:07 pm | 46.8° | 5:37:15 am | 8:41:00 pm | 5:03:54 am | 9:14:21 pm | 10h 52m 29s | 🌖 (99%) |
| Sun, Aug 30 | 6:10:14 am | 6:35:47 am | 7:41:51 pm | 8:07:23 pm | 13h 6m 4s | -2m -18s | 1:08:49 pm | 46.5° | 5:38:14 am | 8:39:23 pm | 5:05:01 am | 9:12:37 pm | 10h 54m 47s | 🌖 (95%) |
| Mon, Aug 31 | 6:11:08 am | 6:36:38 am | 7:40:23 pm | 8:05:52 pm | 13h 3m 45s | -2m -19s | 1:08:30 pm | 46.1° | 5:39:13 am | 8:37:47 pm | 5:06:08 am | 9:10:52 pm | 10h 57m 5s | 🌖 (89%) |
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Sunrise and Sunset photos in Castro Valley, CA
Enjoy this beautiful gallery of images of the sunset and sunrise at Castro Valley, CA. All images provided by our fantastic community of photographers!
Year distribution of sunrise and sunset times in Castro Valley, CA - 2026
The following graph shows sunrise and sunset times in Castro Valley, 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 Castro Valley, CA.
Daylight Dawn & dusk (civil twilight) Night Solar noon · Vertical steps in the curves = DST clock change
Earliest and latest sunrise and sunset in Castro Valley, CA
In Castro Valley, CA, the earliest sunrise of 2026 is on June 13 at 5:44 am, while the latest sunrise is on October 31 at 7:31 am. The earliest sunset is on December 6 at 4:50 pm, and the latest sunset is on June 28 at 8:35 pm.
Castro Valley, CA gets 5h 13m more daylight on the longest day than on the shortest one (14h 49m versus 9h 36m). Averaged over the whole year, a day lasts 12h 14m.
Places near Castro Valley, CA
These nearby towns and cities have almost the same sunrise and sunset times as Castro Valley, CA — the difference is only seconds to a couple of minutes. Select any place to see its own sun calendar:
Hayward 3 kmSan Lorenzo 5 kmSan Leandro 8 kmUnion City 12 kmDublin 12 kmSan Ramon 13 kmOAK - Metropolitan Oakland International Airport 13 kmDanville 15 km