Sunrise and sunset times in Riverdale Park, MD
Check out today's and tomorrow's sunrise and sunset times in Riverdale Park, MD, United States, as well as the whole calendar for September 2026.
Today
September 3, 2026 . Current time: 3:44:31 pm
First light at 6:11:28 am
Sunrise time: 6:37:18 am
Sunset time: 7:36:43 pm
Last light at 8:02:32 pm
Day length: 12 hours, 59 minutes
3 hours, 52 minutes left for today's sunset in Riverdale Park
Moon set on Sep 3 at 12:50 PM
Moon will rise on Sep 3 at 10:04 PMMoon phase: 🌗 Last Quarter (56%)🌑 New moon: Sep 10 at 11:27 PM · 🌕 Full moon: Sep 26 at 12:50 PMTomorrow
September 4, 2026
First light at 6:12:25 am
Sunrise time: 6:38:12 am
Sunset time: 7:35:09 pm
Last light at 8:00:56 pm
Day length: 12 hours, 56 minutes
Tomorrow will be 2 minutes shorter than today in Riverdale Park
Moon will set on Sep 4 at 2:00 PM Moon will rise on Sep 4 at 11:01 PMMoon phase: 🌘 Waning Crescent (41%)
- Riverdale Park, Maryland
- Latitude: 38.963444
- Longitude: -76.931641
- Time zone: Eastern Time EDT
Shortest day in Riverdale Park, MD
The shortest day of the year will be in 4 months, during the winter solstice on December 21, 2026, with a daylight length of 9 hours and 28 minutes.Longest day in Riverdale Park, MD
The longest day of the year was 2 months and 12 days ago, during the summer solstice on June 21, 2026, with a daylight length of 14 hours and 57 minutes.
September 2026 - Riverdale Park, Maryland - Sunrise and sunset calendar
Sunrise and sunset times, civil twilight start and end times as well as solar noon, and day length for every day of September in Riverdale Park.
The day length shortens by 1 hour, 12 minutes over the course of September 2026 in Riverdale Park, MD - from 13 hours, 4 minutes on the first day to 11 hours, 51 minutes on the last day.
| Day | First Light | Sunrise | Sunset | Last Light | Day Length | Day Length Variation | Solar Noon
Time of day when the sun reaches its highest point in the sky.
|
Max Sun Altitude | Nautical Twilight Start | Nautical Twilight End | Astronomical Twilight Start | Astronomical Twilight End | Night Length
Calculated form this day's sunset to the next day's sunrise.
|
Moon phase |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tue, Sep 1 | 6:09:35 am | 6:35:31 am | 7:39:48 pm | 8:05:44 pm | 13h 4m 17s | 13h 4m 17s | 1:07:39 pm | 47.1° | 5:37:05 am | 8:38:14 pm | 5:03:19 am | 9:12:00 pm | 10h 56m 37s | 🌖 (83%) |
| Wed, Sep 2 | 6:10:32 am | 6:36:25 am | 7:38:15 pm | 8:04:08 pm | 13h 1m 50s | -2m -27s | 1:07:20 pm | 46.7° | 5:38:07 am | 8:36:33 pm | 5:04:29 am | 9:10:11 pm | 10h 59m 3s | 🌖 (74%) |
| Thu, Sep 3 | 6:11:28 am | 6:37:18 am | 7:36:43 pm | 8:02:32 pm | 12h 59m 25s | -2m -25s | 1:07:00 pm | 46.3° | 5:39:09 am | 8:34:52 pm | 5:05:39 am | 9:08:22 pm | 11h 1m 29s | 🌖 (63%) |
| Fri, Sep 4 | 6:12:25 am | 6:38:12 am | 7:35:09 pm | 8:00:56 pm | 12h 56m 57s | -2m -28s | 1:06:41 pm | 46° | 5:40:11 am | 8:33:10 pm | 5:06:48 am | 9:06:33 pm | 11h 3m 57s | 🌗 (52%) |
| Sat, Sep 5 | 6:13:21 am | 6:39:06 am | 7:33:35 pm | 7:59:20 pm | 12h 54m 29s | -2m -28s | 1:06:21 pm | 45.6° | 5:41:12 am | 8:31:29 pm | 5:07:57 am | 9:04:44 pm | 11h 6m 24s | 🌘 (41%) |
| Sun, Sep 6 | 6:14:18 am | 6:39:59 am | 7:32:01 pm | 7:57:43 pm | 12h 52m 2s | -2m -27s | 1:06:00 pm | 45.2° | 5:42:13 am | 8:29:47 pm | 5:09:06 am | 9:02:55 pm | 11h 8m 52s | 🌘 (30%) |
| Mon, Sep 7 | 6:15:14 am | 6:40:53 am | 7:30:26 pm | 7:56:06 pm | 12h 49m 33s | -2m -29s | 1:05:40 pm | 44.8° | 5:43:14 am | 8:28:05 pm | 5:10:14 am | 9:01:06 pm | 11h 11m 21s | 🌘 (20%) |
| Tue, Sep 8 | 6:16:10 am | 6:41:47 am | 7:28:52 pm | 7:54:28 pm | 12h 47m 5s | -2m -28s | 1:05:19 pm | 44.5° | 5:44:15 am | 8:26:23 pm | 5:11:21 am | 8:59:17 pm | 11h 13m 48s | 🌘 (11%) |
| Wed, Sep 9 | 6:17:06 am | 6:42:40 am | 7:27:16 pm | 7:52:51 pm | 12h 44m 36s | -2m -29s | 1:04:58 pm | 44.1° | 5:45:15 am | 8:24:41 pm | 5:12:28 am | 8:57:29 pm | 11h 16m 18s | 🌘 (5%) |
| Thu, Sep 10 | 6:18:01 am | 6:43:34 am | 7:25:41 pm | 7:51:13 pm | 12h 42m 7s | -2m -29s | 1:04:37 pm | 43.7° | 5:46:15 am | 8:23:00 pm | 5:13:34 am | 8:55:40 pm | 11h 18m 46s | 🌘 (1%) |
| Fri, Sep 11 | 6:18:57 am | 6:44:27 am | 7:24:05 pm | 7:49:35 pm | 12h 39m 38s | -2m -29s | 1:04:16 pm | 43.3° | 5:47:15 am | 8:21:18 pm | 5:14:40 am | 8:53:52 pm | 11h 21m 16s | 🌑 (0%) |
| Sat, Sep 12 | 6:19:53 am | 6:45:21 am | 7:22:29 pm | 7:47:57 pm | 12h 37m 8s | -2m -30s | 1:03:55 pm | 42.9° | 5:48:14 am | 8:19:36 pm | 5:15:46 am | 8:52:04 pm | 11h 23m 46s | 🌒 (1%) |
| Sun, Sep 13 | 6:20:48 am | 6:46:15 am | 7:20:53 pm | 7:46:19 pm | 12h 34m 38s | -2m -30s | 1:03:34 pm | 42.6° | 5:49:13 am | 8:17:54 pm | 5:16:51 am | 8:50:17 pm | 11h 26m 15s | 🌒 (5%) |
| Mon, Sep 14 | 6:21:43 am | 6:47:08 am | 7:19:16 pm | 7:44:41 pm | 12h 32m 8s | -2m -30s | 1:03:12 pm | 42.2° | 5:50:12 am | 8:16:12 pm | 5:17:55 am | 8:48:29 pm | 11h 28m 46s | 🌒 (10%) |
| Tue, Sep 15 | 6:22:39 am | 6:48:02 am | 7:17:40 pm | 7:43:03 pm | 12h 29m 38s | -2m -30s | 1:02:51 pm | 41.8° | 5:51:11 am | 8:14:31 pm | 5:18:59 am | 8:46:42 pm | 11h 31m 16s | 🌒 (17%) |
| Wed, Sep 16 | 6:23:34 am | 6:48:56 am | 7:16:03 pm | 7:41:25 pm | 12h 27m 7s | -2m -31s | 1:02:29 pm | 41.4° | 5:52:09 am | 8:12:49 pm | 5:20:03 am | 8:44:56 pm | 11h 33m 46s | 🌒 (25%) |
| Thu, Sep 17 | 6:24:29 am | 6:49:49 am | 7:14:26 pm | 7:39:47 pm | 12h 24m 37s | -2m -30s | 1:02:08 pm | 41° | 5:53:08 am | 8:11:08 pm | 5:21:06 am | 8:43:10 pm | 11h 36m 17s | 🌒 (34%) |
| Fri, Sep 18 | 6:25:24 am | 6:50:43 am | 7:12:49 pm | 7:38:09 pm | 12h 22m 6s | -2m -31s | 1:01:46 pm | 40.6° | 5:54:06 am | 8:09:27 pm | 5:22:09 am | 8:41:24 pm | 11h 38m 48s | 🌒 (43%) |
| Sat, Sep 19 | 6:26:20 am | 6:51:37 am | 7:11:13 pm | 7:36:31 pm | 12h 19m 36s | -2m -30s | 1:01:25 pm | 40.2° | 5:55:04 am | 8:07:47 pm | 5:23:12 am | 8:39:38 pm | 11h 41m 18s | 🌓 (53%) |
| Sun, Sep 20 | 6:27:15 am | 6:52:31 am | 7:09:36 pm | 7:34:53 pm | 12h 17m 5s | -2m -31s | 1:01:04 pm | 39.9° | 5:56:01 am | 8:06:06 pm | 5:24:14 am | 8:37:54 pm | 11h 43m 50s | 🌔 (62%) |
| Mon, Sep 21 | 6:28:10 am | 6:53:26 am | 7:07:59 pm | 7:33:15 pm | 12h 14m 33s | -2m -32s | 1:00:42 pm | 39.5° | 5:56:59 am | 8:04:26 pm | 5:25:16 am | 8:36:09 pm | 11h 46m 21s | 🌔 (71%) |
| Tue, Sep 22 | 6:29:05 am | 6:54:20 am | 7:06:22 pm | 7:31:38 pm | 12h 12m 2s | -2m -31s | 1:00:21 pm | 39.1° | 5:57:56 am | 8:02:46 pm | 5:26:17 am | 8:34:25 pm | 11h 48m 52s | 🌔 (80%) |
| Wed, Sep 23 | 6:30:00 am | 6:55:14 am | 7:04:46 pm | 7:30:00 pm | 12h 9m 32s | -2m -30s | 1:00:00 pm | 38.7° | 5:58:53 am | 8:01:07 pm | 5:27:18 am | 8:32:42 pm | 11h 51m 23s | 🌔 (87%) |
| Thu, Sep 24 | 6:30:55 am | 6:56:09 am | 7:03:09 pm | 7:28:23 pm | 12h 7m 0s | -2m -32s | 12:59:39 pm | 38.3° | 5:59:51 am | 7:59:28 pm | 5:28:19 am | 8:30:59 pm | 11h 53m 55s | 🌔 (93%) |
| Fri, Sep 25 | 6:31:50 am | 6:57:04 am | 7:01:33 pm | 7:26:46 pm | 12h 4m 29s | -2m -31s | 12:59:18 pm | 37.9° | 6:00:48 am | 7:57:49 pm | 5:29:20 am | 8:29:17 pm | 11h 56m 26s | 🌔 (97%) |
| Sat, Sep 26 | 6:32:46 am | 6:57:59 am | 6:59:57 pm | 7:25:10 pm | 12h 1m 58s | -2m -31s | 12:58:58 pm | 37.5° | 6:01:44 am | 7:56:11 pm | 5:30:20 am | 8:27:36 pm | 11h 58m 57s | 🌕 (100%) |
| Sun, Sep 27 | 6:33:41 am | 6:58:54 am | 6:58:21 pm | 7:23:34 pm | 11h 59m 27s | -2m -31s | 12:58:37 pm | 37.1° | 6:02:41 am | 7:54:33 pm | 5:31:20 am | 8:25:55 pm | 12h 1m 28s | 🌖 (100%) |
| Mon, Sep 28 | 6:34:36 am | 6:59:49 am | 6:56:45 pm | 7:21:58 pm | 11h 56m 56s | -2m -31s | 12:58:17 pm | 36.7° | 6:03:38 am | 7:52:56 pm | 5:32:20 am | 8:24:15 pm | 12h 4m 0s | 🌖 (97%) |
| Tue, Sep 29 | 6:35:32 am | 7:00:45 am | 6:55:10 pm | 7:20:23 pm | 11h 54m 25s | -2m -31s | 12:57:57 pm | 36.4° | 6:04:35 am | 7:51:20 pm | 5:33:19 am | 8:22:35 pm | 12h 6m 30s | 🌖 (92%) |
| Wed, Sep 30 | 6:36:27 am | 7:01:40 am | 6:53:35 pm | 7:18:48 pm | 11h 51m 55s | -2m -30s | 12:57:38 pm | 36° | 6:05:31 am | 7:49:44 pm | 5:34:18 am | 8:20:57 pm | 12h 9m 1s | 🌖 (85%) |
💡 Got a cool idea? 🤦 Found any errors?
We're always improving this website!
Sunrise and Sunset photos in Riverdale Park, MD
Enjoy this beautiful gallery of images of the sunset and sunrise at Riverdale Park, MD. All images provided by our fantastic community of photographers!
Year distribution of sunrise and sunset times in Riverdale Park, MD - 2026
The following graph shows sunrise and sunset times in Riverdale Park, MD for every day of the year. There are two jumps in the graph that represent the hour change for Daylight Saving Time (DST) in Riverdale Park, MD.
Daylight Dawn & dusk (civil twilight) Night Solar noon · Vertical steps in the curves = DST clock change
Earliest and latest sunrise and sunset in Riverdale Park, MD
In Riverdale Park, MD, the earliest sunrise of 2026 is on June 13 at 5:40 am, while the latest sunrise is on October 31 at 7:32 am. The earliest sunset is on December 7 at 4:46 pm, and the latest sunset is on June 28 at 8:38 pm.
Riverdale Park, MD gets 5h 28m more daylight on the longest day than on the shortest one (14h 57m versus 9h 28m). Averaged over the whole year, a day lasts 12h 14m.
Places near Riverdale Park, MD
These nearby towns and cities have almost the same sunrise and sunset times as Riverdale Park, MD — the difference is only seconds to a couple of minutes. Select any place to see its own sun calendar:
University Park 1 kmHyattsville 1 kmEdmonston 2 kmNorth Brentwood 3 kmBladensburg 3 kmCollege Park 3 kmBrentwood 3 kmCottage City 3 km