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Great Falls, Montana, USA — Sunrise, Sunset, and Daylength, September 2025

Daylight

5:57 am – 8:47 pm
14 hours, 50 minutes

Current Time: May 8, 2025 at 12:25:52 am
Sun Direction: 345.38° NNW
Sun Altitude: -24.12°
Sun Distance: 93.815 million mi
Next Solstice: Jun 20, 2025 8:42 pm (Summer)
Sunrise Today: 5:57 am 63° Northeast
Sunset Today: 8:47 pm 297° Northwest
Location of Great FallsLocation

2025 Sun Graph for Great Falls

September 2025 — Sun in Great Falls

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2025Sunrise/SunsetDaylengthAstronomical TwilightNautical TwilightCivil TwilightSolar Noon
SepSunriseSunsetLengthDiff.StartEndStartEndStartEndTimeMil. mi
16:44 am (77°)8:04 pm (283°)13:20:08−3:174:52 am9:55 pm5:34 am9:14 pm6:12 am8:36 pm1:25 pm (50.5°)93.798
26:45 am (78°)8:02 pm (282°)13:16:49−3:184:54 am9:53 pm5:35 am9:12 pm6:14 am8:34 pm1:24 pm (50.1°)93.775
36:47 am (78°)8:00 pm (282°)13:13:30−3:184:56 am9:50 pm5:37 am9:10 pm6:15 am8:32 pm1:24 pm (49.7°)93.752
46:48 am (79°)7:58 pm (281°)13:10:11−3:194:58 am9:48 pm5:38 am9:08 pm6:16 am8:30 pm1:24 pm (49.4°)93.729
56:49 am (79°)7:56 pm (280°)13:06:51−3:195:00 am9:45 pm5:40 am9:05 pm6:18 am8:28 pm1:23 pm (49.0°)93.706
66:51 am (80°)7:54 pm (280°)13:03:31−3:205:01 am9:43 pm5:41 am9:03 pm6:19 am8:26 pm1:23 pm (48.6°)93.682
76:52 am (80°)7:52 pm (279°)13:00:10−3:205:03 am9:41 pm5:43 am9:01 pm6:21 am8:23 pm1:23 pm (48.3°)93.659
86:53 am (81°)7:50 pm (279°)12:56:49−3:205:05 am9:38 pm5:44 am8:59 pm6:22 am8:21 pm1:22 pm (47.9°)93.635
96:55 am (82°)7:48 pm (278°)12:53:28−3:215:07 am9:36 pm5:46 am8:57 pm6:23 am8:19 pm1:22 pm (47.5°)93.612
106:56 am (82°)7:46 pm (278°)12:50:07−3:215:08 am9:33 pm5:48 am8:54 pm6:25 am8:17 pm1:21 pm (47.1°)93.588
116:57 am (83°)7:44 pm (277°)12:46:45−3:215:10 am9:31 pm5:49 am8:52 pm6:26 am8:15 pm1:21 pm (46.7°)93.564
126:59 am (83°)7:42 pm (276°)12:43:22−3:225:12 am9:28 pm5:51 am8:50 pm6:28 am8:13 pm1:21 pm (46.4°)93.540
137:00 am (84°)7:40 pm (276°)12:40:00−3:225:13 am9:26 pm5:52 am8:48 pm6:29 am8:11 pm1:20 pm (46.0°)93.516
147:01 am (84°)7:38 pm (275°)12:36:37−3:225:15 am9:24 pm5:53 am8:45 pm6:30 am8:09 pm1:20 pm (45.6°)93.492
157:03 am (85°)7:36 pm (275°)12:33:15−3:225:17 am9:21 pm5:55 am8:43 pm6:32 am8:07 pm1:20 pm (45.2°)93.468
167:04 am (86°)7:34 pm (274°)12:29:51−3:235:18 am9:19 pm5:56 am8:41 pm6:33 am8:05 pm1:19 pm (44.8°)93.444
177:05 am (86°)7:32 pm (274°)12:26:28−3:235:20 am9:17 pm5:58 am8:39 pm6:34 am8:03 pm1:19 pm (44.4°)93.419
187:07 am (87°)7:30 pm (273°)12:23:05−3:235:22 am9:14 pm5:59 am8:37 pm6:36 am8:00 pm1:19 pm (44.0°)93.394
197:08 am (87°)7:28 pm (272°)12:19:41−3:235:23 am9:12 pm6:01 am8:35 pm6:37 am7:58 pm1:18 pm (43.7°)93.369
207:09 am (88°)7:26 pm (272°)12:16:18−3:235:25 am9:10 pm6:02 am8:32 pm6:39 am7:56 pm1:18 pm (43.3°)93.343
217:11 am (88°)7:24 pm (271°)12:12:54−3:235:26 am9:08 pm6:04 am8:30 pm6:40 am7:54 pm1:18 pm (42.9°)93.318
227:12 am (89°)7:22 pm (271°)12:09:30−3:235:28 am9:05 pm6:05 am8:28 pm6:41 am7:52 pm1:17 pm (42.5°)93.292
237:13 am (90°)7:20 pm (270°)12:06:06−3:235:29 am9:03 pm6:07 am8:26 pm6:43 am7:50 pm1:17 pm (42.1°)93.266
247:15 am (90°)7:17 pm (270°)12:02:42−3:235:31 am9:01 pm6:08 am8:24 pm6:44 am7:48 pm1:17 pm (41.7°)93.239
257:16 am (91°)7:15 pm (269°)11:59:18−3:235:33 am8:59 pm6:09 am8:22 pm6:45 am7:46 pm1:16 pm (41.3°)93.213
267:17 am (91°)7:13 pm (268°)11:55:55−3:235:34 am8:56 pm6:11 am8:20 pm6:47 am7:44 pm1:16 pm (40.9°)93.186
277:19 am (92°)7:11 pm (268°)11:52:31−3:235:36 am8:54 pm6:12 am8:18 pm6:48 am7:42 pm1:16 pm (40.5°)93.159
287:20 am (92°)7:09 pm (267°)11:49:07−3:235:37 am8:52 pm6:14 am8:16 pm6:50 am7:40 pm1:15 pm (40.2°)93.132
297:22 am (93°)7:07 pm (267°)11:45:43−3:235:39 am8:50 pm6:15 am8:14 pm6:51 am7:38 pm1:15 pm (39.8°)93.105
307:23 am (94°)7:05 pm (266°)11:42:20−3:235:40 am8:48 pm6:17 am8:11 pm6:52 am7:36 pm1:15 pm (39.4°)93.078
* All times are local time for Great Falls. 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 Great Falls is at 12:19 pm on Monday, September 22, 2025.
Why is the day and night not exactly 12 hours on equinox?

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