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Castle Rock, Colorado, USA — Sunrise, Sunset, and Daylength, September 2026

Daylight

6:42 am – 4:45 pm
10 hours, 3 minutes

Current Time: Nov 14, 2026 at 12:29:47 pm
Sun Direction: ↑ 193° South
Sun Altitude: 31.3°
Sun Distance: 91.966 million mi
Next Solstice: Dec 21, 2026 1:50 pm (Winter)
Sunrise Today: 6:42 am↑ 113° Southeast
Sunset Today: 4:45 pm↑ 247° West

2026 Sun Graph for Castle Rock

September 2026 — Sun in Castle Rock

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2026 Sunrise/Sunset Daylength Astronomical Twilight Nautical Twilight Civil Twilight Solar Noon
Sep Sunrise Sunset Length Diff. Start End Start End Start End Time Mil. mi
1 6:28 am ↑ (79°) 7:29 pm ↑ (281°) 13:01:56 −2:27 4:53 am 9:04 pm 5:27 am 8:30 pm 6:00 am 7:57 pm 12:59 pm (58.7°) 93.803
2 6:28 am ↑ (79°) 7:28 pm ↑ (281°) 12:59:28 −2:28 4:54 am 9:02 pm 5:28 am 8:28 pm 6:01 am 7:55 pm 12:59 pm (58.3°) 93.781
3 6:29 am ↑ (80°) 7:26 pm ↑ (280°) 12:56:59 −2:28 4:56 am 9:00 pm 5:29 am 8:26 pm 6:02 am 7:54 pm 12:58 pm (58.0°) 93.760
4 6:30 am ↑ (80°) 7:25 pm ↑ (280°) 12:54:30 −2:29 4:57 am 8:58 pm 5:30 am 8:24 pm 6:03 am 7:52 pm 12:58 pm (57.6°) 93.738
5 6:31 am ↑ (81°) 7:23 pm ↑ (279°) 12:52:00 −2:29 4:58 am 8:56 pm 5:31 am 8:23 pm 6:04 am 7:50 pm 12:58 pm (57.2°) 93.715
6 6:32 am ↑ (81°) 7:22 pm ↑ (279°) 12:49:30 −2:29 4:59 am 8:54 pm 5:33 am 8:21 pm 6:05 am 7:49 pm 12:57 pm (56.9°) 93.693
7 6:33 am ↑ (82°) 7:20 pm ↑ (278°) 12:47:00 −2:30 5:00 am 8:52 pm 5:34 am 8:19 pm 6:06 am 7:47 pm 12:57 pm (56.5°) 93.670
8 6:34 am ↑ (82°) 7:18 pm ↑ (278°) 12:44:29 −2:30 5:01 am 8:51 pm 5:35 am 8:18 pm 6:07 am 7:46 pm 12:57 pm (56.1°) 93.647
9 6:35 am ↑ (83°) 7:17 pm ↑ (277°) 12:41:58 −2:30 5:03 am 8:49 pm 5:36 am 8:16 pm 6:08 am 7:44 pm 12:56 pm (55.7°) 93.623
10 6:36 am ↑ (83°) 7:15 pm ↑ (277°) 12:39:27 −2:31 5:04 am 8:47 pm 5:37 am 8:14 pm 6:09 am 7:42 pm 12:56 pm (55.3°) 93.599
11 6:37 am ↑ (84°) 7:14 pm ↑ (276°) 12:36:55 −2:31 5:05 am 8:45 pm 5:38 am 8:12 pm 6:10 am 7:41 pm 12:55 pm (55.0°) 93.575
12 6:38 am ↑ (84°) 7:12 pm ↑ (276°) 12:34:24 −2:31 5:06 am 8:43 pm 5:39 am 8:11 pm 6:11 am 7:39 pm 12:55 pm (54.6°) 93.551
13 6:38 am ↑ (85°) 7:10 pm ↑ (275°) 12:31:52 −2:31 5:07 am 8:42 pm 5:40 am 8:09 pm 6:11 am 7:37 pm 12:55 pm (54.2°) 93.526
14 6:39 am ↑ (85°) 7:09 pm ↑ (275°) 12:29:19 −2:32 5:08 am 8:40 pm 5:41 am 8:07 pm 6:12 am 7:36 pm 12:54 pm (53.8°) 93.501
15 6:40 am ↑ (86°) 7:07 pm ↑ (274°) 12:26:47 −2:32 5:09 am 8:38 pm 5:42 am 8:06 pm 6:13 am 7:34 pm 12:54 pm (53.4°) 93.476
16 6:41 am ↑ (86°) 7:05 pm ↑ (274°) 12:24:15 −2:32 5:10 am 8:36 pm 5:43 am 8:04 pm 6:14 am 7:32 pm 12:54 pm (53.0°) 93.450
17 6:42 am ↑ (87°) 7:04 pm ↑ (273°) 12:21:42 −2:32 5:11 am 8:34 pm 5:44 am 8:02 pm 6:15 am 7:31 pm 12:53 pm (52.7°) 93.425
18 6:43 am ↑ (87°) 7:02 pm ↑ (273°) 12:19:09 −2:32 5:12 am 8:33 pm 5:45 am 8:00 pm 6:16 am 7:29 pm 12:53 pm (52.3°) 93.399
19 6:44 am ↑ (88°) 7:01 pm ↑ (272°) 12:16:36 −2:32 5:14 am 8:31 pm 5:46 am 7:59 pm 6:17 am 7:27 pm 12:53 pm (51.9°) 93.373
20 6:45 am ↑ (88°) 6:59 pm ↑ (272°) 12:14:03 −2:32 5:15 am 8:29 pm 5:47 am 7:57 pm 6:18 am 7:26 pm 12:52 pm (51.5°) 93.346
21 6:46 am ↑ (89°) 6:57 pm ↑ (271°) 12:11:30 −2:33 5:16 am 8:27 pm 5:48 am 7:55 pm 6:19 am 7:24 pm 12:52 pm (51.1°) 93.320
22 6:47 am ↑ (89°) 6:56 pm ↑ (271°) 12:08:57 −2:33 5:17 am 8:26 pm 5:49 am 7:54 pm 6:20 am 7:22 pm 12:52 pm (50.7°) 93.294
23 6:48 am ↑ (90°) 6:54 pm ↑ (270°) 12:06:24 −2:33 5:18 am 8:24 pm 5:50 am 7:52 pm 6:21 am 7:21 pm 12:51 pm (50.3°) 93.268
24 6:49 am ↑ (90°) 6:52 pm ↑ (270°) 12:03:51 −2:33 5:19 am 8:22 pm 5:51 am 7:50 pm 6:22 am 7:19 pm 12:51 pm (49.9°) 93.241
25 6:50 am ↑ (91°) 6:51 pm ↑ (269°) 12:01:18 −2:33 5:20 am 8:20 pm 5:51 am 7:49 pm 6:23 am 7:18 pm 12:51 pm (49.6°) 93.215
26 6:50 am ↑ (91°) 6:49 pm ↑ (269°) 11:58:45 −2:33 5:21 am 8:19 pm 5:52 am 7:47 pm 6:24 am 7:16 pm 12:50 pm (49.2°) 93.189
27 6:51 am ↑ (92°) 6:48 pm ↑ (268°) 11:56:12 −2:33 5:22 am 8:17 pm 5:53 am 7:45 pm 6:25 am 7:14 pm 12:50 pm (48.8°) 93.163
28 6:52 am ↑ (92°) 6:46 pm ↑ (268°) 11:53:39 −2:33 5:23 am 8:15 pm 5:54 am 7:44 pm 6:26 am 7:13 pm 12:49 pm (48.4°) 93.137
29 6:53 am ↑ (93°) 6:44 pm ↑ (267°) 11:51:06 −2:32 5:24 am 8:14 pm 5:55 am 7:42 pm 6:27 am 7:11 pm 12:49 pm (48.0°) 93.111
30 6:54 am ↑ (93°) 6:43 pm ↑ (267°) 11:48:33 −2:32 5:25 am 8:12 pm 5:56 am 7:41 pm 6:27 am 7:10 pm 12:49 pm (47.6°) 93.085
* All times are local time for Castle Rock. Time is adjusted for DST when applicable. They take into account refraction. Dates are based on the Gregorian calendar.

The September equinox (autumnal equinox) in Castle Rock is at 6:05 pm on Tuesday, September 22, 2026.
Why is the day and night not exactly 12 hours on equinox?

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