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Cupertino, California, USA — Sunrise, Sunset, and Daylength, September 2025

Daylight

6:46 am – 7:22 pm
12 hours, 36 minutes

Current Time: Sep 10, 2025 at 10:13:24 am
Sun Direction: 119° Southeast
Sun Altitude: 39.1°
Sun Distance: 150.620 million km
Next Equinox: Sep 22, 2025 11:19 am (Autumnal)
Sunrise Today: 6:46 am 83° East
Sunset Today: 7:22 pm 276° West

2025 Sun Graph for Cupertino

September 2025 — Sun in Cupertino

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2025 Sunrise/Sunset Daylength Astronomical Twilight Nautical Twilight Civil Twilight Solar Noon
Sep Sunrise Sunset Length Diff. Start End Start End Start End Time Mil. km
1 6:39 am (79°) 7:36 pm (281°) 12:57:12 −2:17 5:07 am 9:07 pm 5:40 am 8:34 pm 6:12 am 8:02 pm 1:07 pm (60.6°) 150.952
2 6:39 am (80°) 7:34 pm (280°) 12:54:55 −2:17 5:08 am 9:05 pm 5:41 am 8:32 pm 6:13 am 8:01 pm 1:07 pm (60.3°) 150.915
3 6:40 am (80°) 7:33 pm (280°) 12:52:36 −2:18 5:10 am 9:03 pm 5:42 am 8:31 pm 6:14 am 7:59 pm 1:07 pm (59.9°) 150.878
4 6:41 am (81°) 7:31 pm (279°) 12:50:18 −2:18 5:11 am 9:01 pm 5:43 am 8:29 pm 6:14 am 7:58 pm 1:06 pm (59.5°) 150.841
5 6:42 am (81°) 7:30 pm (279°) 12:47:59 −2:18 5:12 am 9:00 pm 5:44 am 8:28 pm 6:15 am 7:56 pm 1:06 pm (59.2°) 150.803
6 6:43 am (82°) 7:28 pm (278°) 12:45:40 −2:19 5:13 am 8:58 pm 5:45 am 8:26 pm 6:16 am 7:55 pm 1:06 pm (58.8°) 150.766
7 6:43 am (82°) 7:27 pm (278°) 12:43:20 −2:19 5:14 am 8:56 pm 5:46 am 8:24 pm 6:17 am 7:53 pm 1:05 pm (58.4°) 150.728
8 6:44 am (82°) 7:25 pm (277°) 12:41:00 −2:19 5:15 am 8:55 pm 5:47 am 8:23 pm 6:18 am 7:52 pm 1:05 pm (58.0°) 150.690
9 6:45 am (83°) 7:24 pm (277°) 12:38:40 −2:20 5:16 am 8:53 pm 5:48 am 8:21 pm 6:19 am 7:50 pm 1:05 pm (57.7°) 150.652
10 6:46 am (83°) 7:22 pm (276°) 12:36:20 −2:20 5:17 am 8:51 pm 5:49 am 8:19 pm 6:20 am 7:49 pm 1:04 pm (57.3°) 150.614
11 6:47 am (84°) 7:21 pm (276°) 12:33:59 −2:20 5:18 am 8:49 pm 5:50 am 8:18 pm 6:20 am 7:47 pm 1:04 pm (56.9°) 150.576
12 6:48 am (84°) 7:19 pm (275°) 12:31:38 −2:20 5:19 am 8:48 pm 5:50 am 8:16 pm 6:21 am 7:45 pm 1:04 pm (56.5°) 150.538
13 6:48 am (85°) 7:18 pm (275°) 12:29:17 −2:21 5:20 am 8:46 pm 5:51 am 8:15 pm 6:22 am 7:44 pm 1:03 pm (56.1°) 150.499
14 6:49 am (85°) 7:16 pm (274°) 12:26:56 −2:21 5:21 am 8:44 pm 5:52 am 8:13 pm 6:23 am 7:42 pm 1:03 pm (55.8°) 150.460
15 6:50 am (86°) 7:15 pm (274°) 12:24:34 −2:21 5:22 am 8:43 pm 5:53 am 8:11 pm 6:24 am 7:41 pm 1:03 pm (55.4°) 150.421
16 6:51 am (86°) 7:13 pm (273°) 12:22:12 −2:21 5:23 am 8:41 pm 5:54 am 8:10 pm 6:25 am 7:39 pm 1:02 pm (55.0°) 150.382
17 6:52 am (87°) 7:12 pm (273°) 12:19:50 −2:21 5:24 am 8:39 pm 5:55 am 8:08 pm 6:26 am 7:38 pm 1:02 pm (54.6°) 150.342
18 6:53 am (87°) 7:10 pm (272°) 12:17:28 −2:21 5:25 am 8:38 pm 5:56 am 8:07 pm 6:26 am 7:36 pm 1:02 pm (54.2°) 150.302
19 6:53 am (88°) 7:08 pm (272°) 12:15:06 −2:22 5:26 am 8:36 pm 5:57 am 8:05 pm 6:27 am 7:34 pm 1:01 pm (53.8°) 150.261
20 6:54 am (88°) 7:07 pm (271°) 12:12:44 −2:22 5:27 am 8:34 pm 5:58 am 8:03 pm 6:28 am 7:33 pm 1:01 pm (53.4°) 150.220
21 6:55 am (89°) 7:05 pm (271°) 12:10:22 −2:22 5:28 am 8:33 pm 5:58 am 8:02 pm 6:29 am 7:31 pm 1:01 pm (53.0°) 150.179
22 6:56 am (89°) 7:04 pm (270°) 12:08:00 −2:22 5:28 am 8:31 pm 5:59 am 8:00 pm 6:30 am 7:30 pm 1:00 pm (52.7°) 150.137
23 6:57 am (90°) 7:02 pm (270°) 12:05:37 −2:22 5:29 am 8:29 pm 6:00 am 7:59 pm 6:31 am 7:28 pm 1:00 pm (52.3°) 150.095
24 6:58 am (90°) 7:01 pm (269°) 12:03:15 −2:22 5:30 am 8:28 pm 6:01 am 7:57 pm 6:31 am 7:27 pm 12:59 pm (51.9°) 150.053
25 6:58 am (91°) 6:59 pm (269°) 12:00:52 −2:22 5:31 am 8:26 pm 6:02 am 7:56 pm 6:32 am 7:25 pm 12:59 pm (51.5°) 150.010
26 6:59 am (91°) 6:58 pm (269°) 11:58:30 −2:22 5:32 am 8:25 pm 6:03 am 7:54 pm 6:33 am 7:24 pm 12:59 pm (51.1°) 149.967
27 7:00 am (92°) 6:56 pm (268°) 11:56:08 −2:22 5:33 am 8:23 pm 6:04 am 7:52 pm 6:34 am 7:22 pm 12:58 pm (50.7°) 149.924
28 7:01 am (92°) 6:55 pm (268°) 11:53:46 −2:22 5:34 am 8:21 pm 6:05 am 7:51 pm 6:35 am 7:21 pm 12:58 pm (50.3°) 149.881
29 7:02 am (93°) 6:53 pm (267°) 11:51:23 −2:22 5:35 am 8:20 pm 6:05 am 7:49 pm 6:36 am 7:19 pm 12:58 pm (49.9°) 149.837
30 7:03 am (93°) 6:52 pm (267°) 11:49:01 −2:22 5:36 am 8:18 pm 6:06 am 7:48 pm 6:37 am 7:18 pm 12:57 pm (49.5°) 149.794
* All times are local time for Cupertino. Time is adjusted for DST when applicable. They take into account refraction. Dates are based on the Gregorian calendar. Today is highlighted.

The September equinox (autumnal equinox) in Cupertino is at 11:19 am on Monday, September 22, 2025.
Why is the day and night not exactly 12 hours on equinox?

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