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Flag for USA Rapid City, South Dakota, USA — Sunrise, Sunset, and Daylength, September 2018

Daylight

6:36 am – 6:55 pm
12 hours, 18 minutes

Current Time: Sep 19, 2018 at 5:06:29 pm

Sun Direction: 253° West

Sun Altitude: 18.6°

Sun Distance: 93.366 million mi


Next Equinox: Sep 22, 2018 7:54 pm (Autumnal)

Sunrise Today: 6:36 am 87° East

Sunset Today: 6:55 pm 272° West

Location of Rapid CityLocation

Yearly Sun Graph for Rapid City

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September 2018 — Sun in Rapid City

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2018Sunrise/SunsetDaylengthAstronomical TwilightNautical TwilightCivil TwilightSolar Noon
SepSunriseSunsetLengthDifferenceStartEndStartEndStartEndTimeMil. mi
16:16 am (78°)7:28 pm (282°)13:12:31−2:544:32 am9:11 pm5:10 am8:33 pm5:46 am7:58 pm12:52 pm (54.0°)93.804
26:17 am (78°)7:26 pm (281°)13:09:36−2:554:34 am9:09 pm5:11 am8:32 pm5:47 am7:56 pm12:52 pm (53.7°)93.783
36:18 am (79°)7:25 pm (281°)13:06:40−2:554:35 am9:07 pm5:13 am8:30 pm5:48 am7:54 pm12:52 pm (53.3°)93.761
46:19 am (79°)7:23 pm (280°)13:03:44−2:564:37 am9:05 pm5:14 am8:28 pm5:49 am7:52 pm12:51 pm (52.9°)93.739
56:20 am (80°)7:21 pm (280°)13:00:47−2:564:38 am9:02 pm5:15 am8:26 pm5:51 am7:50 pm12:51 pm (52.5°)93.716
66:21 am (80°)7:19 pm (279°)12:57:50−2:574:40 am9:00 pm5:17 am8:24 pm5:52 am7:49 pm12:51 pm (52.2°)93.694
76:22 am (81°)7:17 pm (279°)12:54:52−2:574:41 am8:58 pm5:18 am8:22 pm5:53 am7:47 pm12:50 pm (51.8°)93.670
86:24 am (81°)7:16 pm (278°)12:51:54−2:584:43 am8:56 pm5:19 am8:20 pm5:54 am7:45 pm12:50 pm (51.4°)93.647
96:25 am (82°)7:14 pm (278°)12:48:56−2:584:44 am8:54 pm5:21 am8:18 pm5:55 am7:43 pm12:50 pm (51.0°)93.623
106:26 am (82°)7:12 pm (277°)12:45:57−2:584:46 am8:52 pm5:22 am8:16 pm5:57 am7:41 pm12:49 pm (50.7°)93.599
116:27 am (83°)7:10 pm (277°)12:42:58−2:584:47 am8:50 pm5:23 am8:14 pm5:58 am7:39 pm12:49 pm (50.3°)93.575
126:28 am (84°)7:08 pm (276°)12:39:59−2:594:48 am8:47 pm5:24 am8:12 pm5:59 am7:37 pm12:49 pm (49.9°)93.550
136:29 am (84°)7:06 pm (276°)12:36:59−2:594:50 am8:45 pm5:26 am8:10 pm6:00 am7:35 pm12:48 pm (49.5°)93.525
146:30 am (85°)7:04 pm (275°)12:34:00−2:594:51 am8:43 pm5:27 am8:08 pm6:01 am7:33 pm12:48 pm (49.1°)93.500
156:32 am (85°)7:03 pm (275°)12:31:00−2:594:53 am8:41 pm5:28 am8:06 pm6:03 am7:32 pm12:47 pm (48.8°)93.474
166:33 am (86°)7:01 pm (274°)12:28:00−3:004:54 am8:39 pm5:29 am8:04 pm6:04 am7:30 pm12:47 pm (48.4°)93.448
176:34 am (86°)6:59 pm (274°)12:24:59−3:004:55 am8:37 pm5:31 am8:02 pm6:05 am7:28 pm12:47 pm (48.0°)93.423
186:35 am (87°)6:57 pm (273°)12:21:59−3:004:57 am8:35 pm5:32 am8:00 pm6:06 am7:26 pm12:46 pm (47.6°)93.397
196:36 am (87°)6:55 pm (272°)12:18:59−3:004:58 am8:33 pm5:33 am7:58 pm6:07 am7:24 pm12:46 pm (47.2°)93.370
206:37 am (88°)6:53 pm (272°)12:15:58−3:005:00 am8:31 pm5:34 am7:56 pm6:08 am7:22 pm12:46 pm (46.8°)93.344
216:38 am (88°)6:51 pm (271°)12:12:58−3:005:01 am8:29 pm5:36 am7:54 pm6:10 am7:20 pm12:45 pm (46.4°)93.318
226:40 am (89°)6:50 pm (271°)12:09:57−3:005:02 am8:27 pm5:37 am7:52 pm6:11 am7:18 pm12:45 pm (46.0°)93.292
236:41 am (89°)6:48 pm (270°)12:06:56−3:005:03 am8:25 pm5:38 am7:50 pm6:12 am7:17 pm12:45 pm (45.7°)93.266
246:42 am (90°)6:46 pm (270°)12:03:55−3:005:05 am8:23 pm5:39 am7:48 pm6:13 am7:15 pm12:44 pm (45.3°)93.240
256:43 am (91°)6:44 pm (269°)12:00:55−3:005:06 am8:21 pm5:41 am7:46 pm6:14 am7:13 pm12:44 pm (44.9°)93.213
266:44 am (91°)6:42 pm (269°)11:57:54−3:005:07 am8:19 pm5:42 am7:45 pm6:15 am7:11 pm12:44 pm (44.5°)93.187
276:45 am (92°)6:40 pm (268°)11:54:53−3:005:09 am8:17 pm5:43 am7:43 pm6:17 am7:09 pm12:43 pm (44.1°)93.161
286:47 am (92°)6:38 pm (268°)11:51:53−3:005:10 am8:15 pm5:44 am7:41 pm6:18 am7:07 pm12:43 pm (43.7°)93.135
296:48 am (93°)6:37 pm (267°)11:48:52−3:005:11 am8:13 pm5:45 am7:39 pm6:19 am7:05 pm12:43 pm (43.3°)93.109
306:49 am (93°)6:35 pm (267°)11:45:52−3:005:13 am8:11 pm5:47 am7:37 pm6:20 am7:04 pm12:42 pm (42.9°)93.083
* All times are local time for Rapid City. Time is adjusted for DST when applicable. They take into account refraction. Dates are based on the Gregorian calendar. Today is highlighted.

September Equinox (Autumnal Equinox) is on Saturday, September 22, 2018 at 7:54 pm in Rapid City.
Why is the day and night not exactly 12 hours on Equinox?

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