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Cambridge, Massachusetts, USA — Sunrise, Sunset, and Daylength, September 2021

Daylight

7:02 am – 4:52 pm
9 hours, 50 minutes

Current Time: Jan 27, 2021 at 3:35:55 am
Sun Direction: 80° East
Sun Altitude: -38.1°
Sun Distance: 91.533 million mi
Next Equinox: Mar 20, 2021 5:37 am (Vernal)
Sunrise Today: 7:02 am 114° Southeast
Sunset Today: 4:52 pm 246° West
Location of CambridgeLocation

2021 Sun Graph for Cambridge

September 2021 — Sun in Cambridge

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2021Sunrise/SunsetDaylengthAstronomical TwilightNautical TwilightCivil TwilightSolar Noon
SepSunriseSunsetLengthDiff.StartEndStartEndStartEndTimeMil. mi
16:09 am (78°)7:17 pm (282°)13:08:04−2:444:30 am8:57 pm5:06 am8:21 pm5:40 am7:46 pm12:44 pm (55.7°)93.803
26:10 am (79°)7:16 pm (281°)13:05:18−2:454:31 am8:55 pm5:07 am8:19 pm5:42 am7:44 pm12:43 pm (55.3°)93.781
36:11 am (79°)7:14 pm (281°)13:02:33−2:454:32 am8:53 pm5:08 am8:17 pm5:43 am7:43 pm12:43 pm (54.9°)93.759
46:13 am (80°)7:12 pm (280°)12:59:47−2:464:34 am8:51 pm5:10 am8:15 pm5:44 am7:41 pm12:43 pm (54.6°)93.737
56:14 am (80°)7:11 pm (280°)12:57:00−2:464:35 am8:49 pm5:11 am8:13 pm5:45 am7:39 pm12:42 pm (54.2°)93.714
66:15 am (81°)7:09 pm (279°)12:54:13−2:464:37 am8:47 pm5:12 am8:11 pm5:46 am7:37 pm12:42 pm (53.8°)93.691
76:16 am (81°)7:07 pm (278°)12:51:26−2:474:38 am8:45 pm5:13 am8:09 pm5:47 am7:36 pm12:42 pm (53.4°)93.667
86:17 am (82°)7:05 pm (278°)12:48:38−2:474:39 am8:43 pm5:14 am8:08 pm5:48 am7:34 pm12:41 pm (53.1°)93.644
96:18 am (82°)7:04 pm (277°)12:45:50−2:474:41 am8:41 pm5:16 am8:06 pm5:49 am7:32 pm12:41 pm (52.7°)93.619
106:19 am (83°)7:02 pm (277°)12:43:02−2:484:42 am8:39 pm5:17 am8:04 pm5:50 am7:30 pm12:41 pm (52.3°)93.595
116:20 am (83°)7:00 pm (276°)12:40:13−2:484:43 am8:37 pm5:18 am8:02 pm5:52 am7:28 pm12:40 pm (51.9°)93.570
126:21 am (84°)6:58 pm (276°)12:37:24−2:484:44 am8:35 pm5:19 am8:00 pm5:53 am7:27 pm12:40 pm (51.5°)93.545
136:22 am (84°)6:57 pm (275°)12:34:35−2:494:46 am8:33 pm5:20 am7:58 pm5:54 am7:25 pm12:40 pm (51.2°)93.520
146:23 am (85°)6:55 pm (275°)12:31:46−2:494:47 am8:31 pm5:21 am7:56 pm5:55 am7:23 pm12:39 pm (50.8°)93.495
156:24 am (85°)6:53 pm (274°)12:28:57−2:494:48 am8:29 pm5:23 am7:54 pm5:56 am7:21 pm12:39 pm (50.4°)93.469
166:25 am (86°)6:51 pm (274°)12:26:07−2:494:50 am8:27 pm5:24 am7:53 pm5:57 am7:19 pm12:39 pm (50.0°)93.443
176:26 am (86°)6:50 pm (273°)12:23:17−2:494:51 am8:25 pm5:25 am7:51 pm5:58 am7:18 pm12:38 pm (49.6°)93.418
186:27 am (87°)6:48 pm (273°)12:20:27−2:494:52 am8:23 pm5:26 am7:49 pm5:59 am7:16 pm12:38 pm (49.2°)93.392
196:28 am (87°)6:46 pm (272°)12:17:38−2:494:53 am8:21 pm5:27 am7:47 pm6:00 am7:14 pm12:38 pm (48.8°)93.366
206:29 am (88°)6:44 pm (272°)12:14:47−2:504:55 am8:19 pm5:28 am7:45 pm6:01 am7:12 pm12:37 pm (48.5°)93.340
216:30 am (89°)6:42 pm (271°)12:11:57−2:504:56 am8:17 pm5:29 am7:43 pm6:02 am7:10 pm12:37 pm (48.1°)93.314
226:32 am (89°)6:41 pm (271°)12:09:07−2:504:57 am8:15 pm5:31 am7:41 pm6:04 am7:09 pm12:36 pm (47.7°)93.289
236:33 am (90°)6:39 pm (270°)12:06:17−2:504:58 am8:13 pm5:32 am7:40 pm6:05 am7:07 pm12:36 pm (47.3°)93.263
246:34 am (90°)6:37 pm (270°)12:03:27−2:504:59 am8:11 pm5:33 am7:38 pm6:06 am7:05 pm12:36 pm (46.9°)93.237
256:35 am (91°)6:35 pm (269°)12:00:36−2:505:01 am8:09 pm5:34 am7:36 pm6:07 am7:03 pm12:35 pm (46.5°)93.211
266:36 am (91°)6:34 pm (269°)11:57:46−2:505:02 am8:07 pm5:35 am7:34 pm6:08 am7:02 pm12:35 pm (46.1°)93.186
276:37 am (92°)6:32 pm (268°)11:54:56−2:505:03 am8:06 pm5:36 am7:32 pm6:09 am7:00 pm12:35 pm (45.7°)93.160
286:38 am (92°)6:30 pm (268°)11:52:06−2:505:04 am8:04 pm5:37 am7:31 pm6:10 am6:58 pm12:34 pm (45.3°)93.134
296:39 am (93°)6:28 pm (267°)11:49:16−2:505:05 am8:02 pm5:38 am7:29 pm6:11 am6:56 pm12:34 pm (45.0°)93.108
306:40 am (93°)6:27 pm (266°)11:46:26−2:505:07 am8:00 pm5:40 am7:27 pm6:12 am6:55 pm12:34 pm (44.6°)93.082
* All times are local time for Cambridge. Time is adjusted for DST when applicable. They take into account refraction. Dates are based on the Gregorian calendar.

September Equinox (Autumnal Equinox) is on Wednesday, September 22, 2021 at 3:21 pm in Cambridge.
Why is the day and night not exactly 12 hours on Equinox?

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