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 May 2026.

Today

May 9, 2026 . Current time: 10:55:21 am

Sun rising over the horizon

First light at 5:34:45 am

Sunrise time: 6:02:12 am

Sun setting behind the horizon

Sunset time: 8:07:15 pm

Last light at 8:34:42 pm

Day length: 14 hours, 5 minutes

9 hours, 11 minutes left for today's sunset in Castro Valley

Moonrise icon Moon rose on May 9 at 01:06 AMMoonset icon Moon will set on May 9 at 11:29 AMMoon phase: 🌗 Last Quarter (51%)

Tomorrow

May 10, 2026

Sun rising over the horizon

First light at 5:33:42 am

Sunrise time: 6:01:14 am

Sun setting behind the horizon

Sunset time: 8:08:09 pm

Last light at 8:35:41 pm

Day length: 14 hours, 6 minutes

Tomorrow will be approximately 2 minutes longer than today in Castro Valley

Moonrise icon Moon will rise on May 10 at 01:33 AMMoonset icon Moon will set on May 10 at 12:32 PMMoon phase: 🌘 Waning Crescent (36%)
Map of Castro Valley, California

Shortest day in Castro Valley, CA

The shortest day of the year will be in 8 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 will be in 1 month and 10 days, during the summer solstice on June 20, 2026, with a daylight length of 14 hours and 49 minutes.
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Why Do We Have Solar Eclipses?

Why the Shortest Day Is Not the Day With the Earliest Sunset or Latest Sunrise

Why the Shortest Day Is Not the Day With the Earliest Sunset or Latest Sunrise

How Are Sunsets in Other Planets in Our Solar System?

How Are Sunsets in Other Planets in Our Solar System?

When Is the Shortest Day of the Year?

When Is the Shortest Day of the Year?

How Long After Sunset Does It Get Dark?

How Long After Sunset Does It Get Dark?

What Is the Difference Between Golden Hour and Alpenglow?

What Is the Difference Between Golden Hour and Alpenglow?


May 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 May in Castro Valley.

The day length increases by 48 minutes over the course of May 2026 in Castro Valley, CA - from 13 hours, 49 minutes on the first day to 14 hours, 38 minutes on the last day.

  
Day Twilight Start Sunrise Sunset Twilight End Day Length Day Length Variation Solar Noon Info 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 Info Calculated form this day's sunset to the next day's sunrise. Moon phase
Fri, May 1 5:43:55 am 6:10:44 am 7:59:58 pm 8:26:47 pm 13h 49m 14s 13h 49m 14s 1:05:21 pm 53° 5:09:44 am 9:00:58 pm 4:33:19 am 9:37:24 pm 10h 9m 38s 🌕 (100%)
Sat, May 2 5:42:42 am 6:09:36 am 8:00:53 pm 8:27:47 pm 13h 51m 17s 2m 3s 1:05:15 pm 53.3° 5:08:23 am 9:02:06 pm 4:31:46 am 9:38:43 pm 10h 7m 36s 🌖 (100%)
Sun, May 3 5:41:30 am 6:08:29 am 8:01:48 pm 8:28:47 pm 13h 53m 19s 2m 2s 1:05:08 pm 53.6° 5:07:04 am 9:03:13 pm 4:30:15 am 9:40:02 pm 10h 5m 35s 🌖 (98%)
Mon, May 4 5:40:19 am 6:07:23 am 8:02:43 pm 8:29:46 pm 13h 55m 20s 2m 1s 1:05:03 pm 53.8° 5:05:45 am 9:04:21 pm 4:28:44 am 9:41:21 pm 10h 3m 35s 🌖 (94%)
Tue, May 5 5:39:10 am 6:06:18 am 8:03:38 pm 8:30:46 pm 13h 57m 20s 2m 0s 1:04:58 pm 54.1° 5:04:28 am 9:05:28 pm 4:27:15 am 9:42:41 pm 10h 1m 37s 🌖 (89%)
Wed, May 6 5:38:02 am 6:05:15 am 8:04:33 pm 8:31:45 pm 13h 59m 18s 1m 58s 1:04:54 pm 54.4° 5:03:11 am 9:06:36 pm 4:25:47 am 9:44:01 pm 9h 59m 40s 🌖 (82%)
Thu, May 7 5:36:55 am 6:04:13 am 8:05:27 pm 8:32:44 pm 14h 1m 14s 1m 56s 1:04:50 pm 54.7° 5:01:57 am 9:07:43 pm 4:24:19 am 9:45:20 pm 9h 57m 45s 🌖 (74%)
Fri, May 8 5:35:49 am 6:03:12 am 8:06:21 pm 8:33:44 pm 14h 3m 9s 1m 55s 1:04:46 pm 55° 5:00:43 am 9:08:50 pm 4:22:53 am 9:46:40 pm 9h 55m 51s 🌖 (65%)
Sat, May 9 5:34:45 am 6:02:12 am 8:07:15 pm 8:34:42 pm 14h 5m 3s 1m 54s 1:04:44 pm 55.2° 4:59:30 am 9:09:57 pm 4:21:29 am 9:47:59 pm 9h 53m 59s 🌗 (56%)
Sun, May 10 5:33:42 am 6:01:14 am 8:08:09 pm 8:35:41 pm 14h 6m 55s 1m 52s 1:04:42 pm 55.5° 4:58:19 am 9:11:04 pm 4:20:05 am 9:49:18 pm 9h 52m 9s 🌗 (46%)
Mon, May 11 5:32:41 am 6:00:18 am 8:09:02 pm 8:36:39 pm 14h 8m 44s 1m 49s 1:04:40 pm 55.7° 4:57:10 am 9:12:10 pm 4:18:43 am 9:50:37 pm 9h 50m 21s 🌘 (36%)
Tue, May 12 5:31:41 am 5:59:23 am 8:09:56 pm 8:37:37 pm 14h 10m 33s 1m 49s 1:04:39 pm 56° 4:56:01 am 9:13:17 pm 4:17:22 am 9:51:56 pm 9h 48m 33s 🌘 (26%)
Wed, May 13 5:30:42 am 5:58:29 am 8:10:48 pm 8:38:35 pm 14h 12m 19s 1m 46s 1:04:39 pm 56.2° 4:54:55 am 9:14:23 pm 4:16:02 am 9:53:15 pm 9h 46m 49s 🌘 (17%)
Thu, May 14 5:29:45 am 5:57:37 am 8:11:41 pm 8:39:32 pm 14h 14m 4s 1m 45s 1:04:39 pm 56.5° 4:53:49 am 9:15:28 pm 4:14:45 am 9:54:33 pm 9h 45m 5s 🌘 (9%)
Fri, May 15 5:28:50 am 5:56:46 am 8:12:33 pm 8:40:29 pm 14h 15m 47s 1m 43s 1:04:40 pm 56.7° 4:52:46 am 9:16:33 pm 4:13:28 am 9:55:51 pm 9h 43m 24s 🌘 (4%)
Sat, May 16 5:27:56 am 5:55:57 am 8:13:25 pm 8:41:26 pm 14h 17m 28s 1m 41s 1:04:41 pm 56.9° 4:51:44 am 9:17:38 pm 4:12:13 am 9:57:08 pm 9h 41m 44s 🌘 (0%)
Sun, May 17 5:27:03 am 5:55:09 am 8:14:16 pm 8:42:22 pm 14h 19m 7s 1m 39s 1:04:43 pm 57.2° 4:50:43 am 9:18:42 pm 4:11:00 am 9:58:25 pm 9h 40m 7s 🌑 (0%)
Mon, May 18 5:26:13 am 5:54:23 am 8:15:07 pm 8:43:18 pm 14h 20m 44s 1m 37s 1:04:45 pm 57.4° 4:49:44 am 9:19:46 pm 4:09:49 am 9:59:41 pm 9h 38m 32s 🌒 (3%)
Tue, May 19 5:25:24 am 5:53:39 am 8:15:57 pm 8:44:13 pm 14h 22m 18s 1m 34s 1:04:48 pm 57.6° 4:48:47 am 9:20:49 pm 4:08:39 am 10:00:57 pm 9h 36m 59s 🌒 (9%)
Wed, May 20 5:24:36 am 5:52:56 am 8:16:47 pm 8:45:07 pm 14h 23m 51s 1m 33s 1:04:52 pm 57.8° 4:47:52 am 9:21:51 pm 4:07:31 am 10:02:12 pm 9h 35m 28s 🌒 (17%)
Thu, May 21 5:23:50 am 5:52:15 am 8:17:37 pm 8:46:01 pm 14h 25m 22s 1m 31s 1:04:56 pm 58° 4:46:58 am 9:22:53 pm 4:06:25 am 10:03:26 pm 9h 33m 58s 🌒 (27%)
Fri, May 22 5:23:06 am 5:51:35 am 8:18:25 pm 8:46:54 pm 14h 26m 50s 1m 28s 1:05:00 pm 58.2° 4:46:07 am 9:23:54 pm 4:05:21 am 10:04:39 pm 9h 32m 32s 🌒 (37%)
Sat, May 23 5:22:24 am 5:50:57 am 8:19:13 pm 8:47:46 pm 14h 28m 16s 1m 26s 1:05:05 pm 58.4° 4:45:17 am 9:24:54 pm 4:04:19 am 10:05:51 pm 9h 31m 8s 🌓 (48%)
Sun, May 24 5:21:44 am 5:50:21 am 8:20:00 pm 8:48:38 pm 14h 29m 39s 1m 23s 1:05:11 pm 58.6° 4:44:29 am 9:25:53 pm 4:03:19 am 10:07:03 pm 9h 29m 47s 🌔 (59%)
Mon, May 25 5:21:05 am 5:49:47 am 8:20:47 pm 8:49:29 pm 14h 31m 0s 1m 21s 1:05:17 pm 58.8° 4:43:43 am 9:26:51 pm 4:02:21 am 10:08:13 pm 9h 28m 27s 🌔 (69%)
Tue, May 26 5:20:28 am 5:49:14 am 8:21:33 pm 8:50:19 pm 14h 32m 19s 1m 19s 1:05:23 pm 58.9° 4:42:59 am 9:27:48 pm 4:01:25 am 10:09:22 pm 9h 27m 10s 🌔 (78%)
Wed, May 27 5:19:53 am 5:48:43 am 8:22:18 pm 8:51:08 pm 14h 33m 35s 1m 16s 1:05:31 pm 59.1° 4:42:17 am 9:28:44 pm 4:00:32 am 10:10:29 pm 9h 25m 56s 🌔 (85%)
Thu, May 28 5:19:20 am 5:48:14 am 8:23:02 pm 8:51:56 pm 14h 34m 48s 1m 13s 1:05:38 pm 59.3° 4:41:37 am 9:29:40 pm 3:59:40 am 10:11:36 pm 9h 24m 44s 🌔 (92%)
Fri, May 29 5:18:48 am 5:47:46 am 8:23:46 pm 8:52:44 pm 14h 36m 0s 1m 12s 1:05:46 pm 59.4° 4:40:58 am 9:30:33 pm 3:58:51 am 10:12:41 pm 9h 23m 35s 🌔 (96%)
Sat, May 30 5:18:19 am 5:47:21 am 8:24:28 pm 8:53:30 pm 14h 37m 7s 1m 7s 1:05:54 pm 59.6° 4:40:23 am 9:31:26 pm 3:58:04 am 10:13:44 pm 9h 22m 29s 🌔 (99%)
Sun, May 31 5:17:51 am 5:46:57 am 8:25:09 pm 8:54:15 pm 14h 38m 12s 1m 5s 1:06:03 pm 59.7° 4:39:49 am 9:32:18 pm 3:57:20 am 10:14:46 pm 9h 21m 26s 🌕 (100%)

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Year distribution of sunrise and sunset times in Castro Valley, CA - 2026

The followin 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.


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