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Plum Island, South Dakota, USA — Sunrise, Sunset, and Daylength, September 2025

Daylight

7:52 am – 4:42 pm
8 hours, 50 minutes

Current Time: Dec 5, 2025 at 6:28:56 am
Sun Direction: 108° East
Sun Altitude: -13.9°
Sun Distance: 91.602 million mi
Next Solstice: Dec 21, 2025 9:03 am (Winter)
Sunrise Today: 7:52 am 122° Southeast
Sunset Today: 4:42 pm 238° Southwest
Location of Plum IslandLocation

2025 Sun Graph for Plum Island

September 2025 — Sun in Plum Island

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2025Sunrise/SunsetDaylengthAstronomical TwilightNautical TwilightCivil TwilightSolar Noon
SepSunriseSunsetLengthDiff.StartEndStartEndStartEndTimeMil. mi
16:47 am (77°)8:03 pm (282°)13:15:54−3:065:00 am9:50 pm5:40 am9:11 pm6:17 am8:34 pm1:26 pm (52.2°)93.799
26:49 am (78°)8:01 pm (282°)13:12:47−3:065:02 am9:48 pm5:41 am9:09 pm6:18 am8:32 pm1:25 pm (51.8°)93.776
36:50 am (79°)8:00 pm (281°)13:09:39−3:075:03 am9:46 pm5:42 am9:07 pm6:19 am8:30 pm1:25 pm (51.4°)93.753
46:51 am (79°)7:58 pm (281°)13:06:32−3:075:05 am9:43 pm5:44 am9:05 pm6:21 am8:28 pm1:25 pm (51.1°)93.730
56:52 am (80°)7:56 pm (280°)13:03:24−3:085:07 am9:41 pm5:45 am9:03 pm6:22 am8:26 pm1:24 pm (50.7°)93.706
66:54 am (80°)7:54 pm (280°)13:00:15−3:085:08 am9:39 pm5:47 am9:00 pm6:23 am8:24 pm1:24 pm (50.3°)93.683
76:55 am (81°)7:52 pm (279°)12:57:06−3:085:10 am9:36 pm5:48 am8:58 pm6:24 am8:22 pm1:24 pm (49.9°)93.660
86:56 am (81°)7:50 pm (278°)12:53:57−3:095:12 am9:34 pm5:50 am8:56 pm6:26 am8:20 pm1:23 pm (49.6°)93.636
96:57 am (82°)7:48 pm (278°)12:50:47−3:095:13 am9:32 pm5:51 am8:54 pm6:27 am8:18 pm1:23 pm (49.2°)93.613
106:59 am (82°)7:46 pm (277°)12:47:37−3:095:15 am9:29 pm5:52 am8:52 pm6:28 am8:16 pm1:23 pm (48.8°)93.589
117:00 am (83°)7:44 pm (277°)12:44:27−3:105:16 am9:27 pm5:54 am8:50 pm6:30 am8:14 pm1:22 pm (48.4°)93.565
127:01 am (83°)7:42 pm (276°)12:41:16−3:105:18 am9:25 pm5:55 am8:48 pm6:31 am8:12 pm1:22 pm (48.1°)93.541
137:02 am (84°)7:40 pm (276°)12:38:06−3:105:19 am9:23 pm5:56 am8:46 pm6:32 am8:10 pm1:22 pm (47.7°)93.517
147:03 am (85°)7:38 pm (275°)12:34:55−3:115:21 am9:21 pm5:58 am8:44 pm6:33 am8:08 pm1:21 pm (47.3°)93.493
157:05 am (85°)7:36 pm (275°)12:31:43−3:115:22 am9:18 pm5:59 am8:42 pm6:35 am8:06 pm1:21 pm (46.9°)93.469
167:06 am (86°)7:34 pm (274°)12:28:32−3:115:24 am9:16 pm6:01 am8:40 pm6:36 am8:04 pm1:21 pm (46.5°)93.445
177:07 am (86°)7:33 pm (273°)12:25:20−3:115:25 am9:14 pm6:02 am8:38 pm6:37 am8:02 pm1:20 pm (46.1°)93.420
187:08 am (87°)7:31 pm (273°)12:22:08−3:115:27 am9:12 pm6:03 am8:35 pm6:39 am8:00 pm1:20 pm (45.7°)93.395
197:10 am (87°)7:29 pm (272°)12:18:57−3:115:28 am9:10 pm6:05 am8:33 pm6:40 am7:58 pm1:20 pm (45.4°)93.370
207:11 am (88°)7:27 pm (272°)12:15:45−3:125:30 am9:07 pm6:06 am8:31 pm6:41 am7:56 pm1:19 pm (45.0°)93.344
217:12 am (88°)7:25 pm (271°)12:12:32−3:125:31 am9:05 pm6:07 am8:29 pm6:42 am7:54 pm1:19 pm (44.6°)93.319
227:13 am (89°)7:23 pm (271°)12:09:20−3:125:33 am9:03 pm6:09 am8:27 pm6:44 am7:52 pm1:18 pm (44.2°)93.293
237:15 am (90°)7:21 pm (270°)12:06:08−3:125:34 am9:01 pm6:10 am8:25 pm6:45 am7:50 pm1:18 pm (43.8°)93.267
247:16 am (90°)7:19 pm (270°)12:02:56−3:125:36 am8:59 pm6:11 am8:23 pm6:46 am7:49 pm1:18 pm (43.4°)93.240
257:17 am (91°)7:17 pm (269°)11:59:44−3:125:37 am8:57 pm6:13 am8:21 pm6:47 am7:47 pm1:17 pm (43.0°)93.214
267:18 am (91°)7:15 pm (268°)11:56:31−3:125:38 am8:55 pm6:14 am8:19 pm6:49 am7:45 pm1:17 pm (42.6°)93.187
277:20 am (92°)7:13 pm (268°)11:53:19−3:125:40 am8:53 pm6:15 am8:17 pm6:50 am7:43 pm1:17 pm (42.2°)93.161
287:21 am (92°)7:11 pm (267°)11:50:07−3:125:41 am8:51 pm6:17 am8:15 pm6:51 am7:41 pm1:16 pm (41.9°)93.134
297:22 am (93°)7:09 pm (267°)11:46:55−3:115:43 am8:48 pm6:18 am8:13 pm6:53 am7:39 pm1:16 pm (41.5°)93.107
307:24 am (93°)7:07 pm (266°)11:43:43−3:115:44 am8:46 pm6:19 am8:11 pm6:54 am7:37 pm1:16 pm (41.1°)93.080
* All times are local time for Plum Island. 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 Plum Island is at 1:19 pm on Monday, September 22, 2025.
Why is the day and night not exactly 12 hours on equinox?

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