Home   Sun, Moon & Space   Sunrise and sunset   Monts de l'Observatoire
Flag for French Guiana

Monts de l'Observatoire, French Guiana — Sunrise, Sunset, and Daylength, September 2025

Daylight

6:20 am – 6:14 pm
11 hours, 53 minutes

Current Time: Dec 5, 2025 at 7:12:20 pm
Sun Direction: 248° West
Sun Altitude: -14.2°
Sun Distance: 91.596 million mi
Next Solstice: Dec 21, 2025 12:03 pm (Dec. Solst.)
Sunrise Today: 6:20 am 112° Southeast
Sunset Today: 6:14 pm 248° West
Location of Monts de l'ObservatoireLocation

2025 Sun Graph for Monts de l'Observatoire

September 2025 — Sun in Monts de l'Observatoire

Scroll right to see more
2025Sunrise/SunsetDaylengthAstronomical TwilightNautical TwilightCivil TwilightSolar Noon
SepSunriseSunsetLengthDiff.StartEndStartEndStartEndTimeMil. mi
16:21 am (82°)6:32 pm (278°)12:11:19−0:135:11 am7:42 pm5:35 am7:17 pm6:00 am6:53 pm12:26 pm (86.2°)93.801
26:20 am (82°)6:31 pm (278°)12:11:06−0:135:11 am7:41 pm5:35 am7:17 pm5:59 am6:52 pm12:26 pm (86.6°)93.779
36:20 am (83°)6:31 pm (277°)12:10:52−0:135:11 am7:41 pm5:35 am7:16 pm5:59 am6:52 pm12:26 pm (86.9°)93.756
46:20 am (83°)6:31 pm (277°)12:10:38−0:135:10 am7:40 pm5:35 am7:16 pm5:59 am6:51 pm12:25 pm (87.3°)93.733
56:20 am (83°)6:30 pm (277°)12:10:24−0:135:10 am7:40 pm5:35 am7:15 pm5:59 am6:51 pm12:25 pm (87.7°)93.709
66:20 am (84°)6:30 pm (276°)12:10:11−0:135:10 am7:39 pm5:34 am7:15 pm5:59 am6:51 pm12:25 pm (88.1°)93.686
76:19 am (84°)6:29 pm (276°)12:09:57−0:135:10 am7:39 pm5:34 am7:14 pm5:58 am6:50 pm12:24 pm (88.4°)93.663
86:19 am (84°)6:29 pm (275°)12:09:43−0:135:10 am7:38 pm5:34 am7:14 pm5:58 am6:50 pm12:24 pm (88.8°)93.639
96:19 am (85°)6:28 pm (275°)12:09:29−0:135:10 am7:38 pm5:34 am7:13 pm5:58 am6:49 pm12:24 pm (89.2°)93.616
106:19 am (85°)6:28 pm (275°)12:09:15−0:135:09 am7:37 pm5:34 am7:13 pm5:58 am6:49 pm12:23 pm (89.6°)93.592
116:18 am (86°)6:27 pm (274°)12:09:02−0:135:09 am7:36 pm5:33 am7:12 pm5:58 am6:48 pm12:23 pm (89.9°)93.568
126:18 am (86°)6:27 pm (274°)12:08:48−0:135:09 am7:36 pm5:33 am7:12 pm5:57 am6:48 pm12:23 pm (89.7°)93.544
136:18 am (86°)6:26 pm (274°)12:08:34−0:135:09 am7:35 pm5:33 am7:11 pm5:57 am6:47 pm12:22 pm (89.3°)93.520
146:18 am (87°)6:26 pm (273°)12:08:20−0:135:09 am7:35 pm5:33 am7:11 pm5:57 am6:47 pm12:22 pm (88.9°)93.496
156:17 am (87°)6:25 pm (273°)12:08:06−0:135:08 am7:34 pm5:33 am7:10 pm5:57 am6:46 pm12:21 pm (88.5°)93.472
166:17 am (87°)6:25 pm (272°)12:07:53−0:135:08 am7:34 pm5:32 am7:10 pm5:56 am6:46 pm12:21 pm (88.1°)93.448
176:17 am (88°)6:25 pm (272°)12:07:39−0:135:08 am7:33 pm5:32 am7:09 pm5:56 am6:45 pm12:21 pm (87.8°)93.423
186:17 am (88°)6:24 pm (272°)12:07:25−0:135:08 am7:33 pm5:32 am7:09 pm5:56 am6:45 pm12:20 pm (87.4°)93.398
196:16 am (89°)6:24 pm (271°)12:07:11−0:135:08 am7:32 pm5:32 am7:08 pm5:56 am6:44 pm12:20 pm (87.0°)93.373
206:16 am (89°)6:23 pm (271°)12:06:57−0:135:07 am7:32 pm5:31 am7:08 pm5:55 am6:44 pm12:20 pm (86.6°)93.348
216:16 am (89°)6:23 pm (270°)12:06:44−0:135:07 am7:32 pm5:31 am7:07 pm5:55 am6:43 pm12:19 pm (86.2°)93.322
226:16 am (90°)6:22 pm (270°)12:06:30−0:135:07 am7:31 pm5:31 am7:07 pm5:55 am6:43 pm12:19 pm (85.8°)93.296
236:15 am (90°)6:22 pm (270°)12:06:16−0:135:07 am7:31 pm5:31 am7:07 pm5:55 am6:42 pm12:19 pm (85.4°)93.270
246:15 am (91°)6:21 pm (269°)12:06:02−0:135:06 am7:30 pm5:30 am7:06 pm5:55 am6:42 pm12:18 pm (85.0°)93.244
256:15 am (91°)6:21 pm (269°)12:05:49−0:135:06 am7:30 pm5:30 am7:06 pm5:54 am6:42 pm12:18 pm (84.6°)93.217
266:15 am (91°)6:20 pm (268°)12:05:35−0:135:06 am7:29 pm5:30 am7:05 pm5:54 am6:41 pm12:18 pm (84.3°)93.191
276:15 am (92°)6:20 pm (268°)12:05:21−0:135:06 am7:29 pm5:30 am7:05 pm5:54 am6:41 pm12:17 pm (83.9°)93.164
286:14 am (92°)6:19 pm (268°)12:05:08−0:135:05 am7:28 pm5:30 am7:04 pm5:54 am6:40 pm12:17 pm (83.5°)93.137
296:14 am (93°)6:19 pm (267°)12:04:54−0:135:05 am7:28 pm5:29 am7:04 pm5:53 am6:40 pm12:17 pm (83.1°)93.110
306:14 am (93°)6:19 pm (267°)12:04:41−0:135:05 am7:27 pm5:29 am7:03 pm5:53 am6:39 pm12:16 pm (82.7°)93.083
* All times are local time for Monts de l'Observatoire. They take into account refraction. Dates are based on the Gregorian calendar.

The September equinox (autumnal equinox) in Monts de l'Observatoire is at 3:19 pm on Monday, September 22, 2025.
Why is the day and night not exactly 12 hours on equinox?

Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec