May 2026 Moonrise, Moonset & Phases in Boulder, United States
Current Time (Local): 15:48:24
Moon Phase: Below horizon
Illumination: 89.7%
Moon Direction: 102.32° ESE
Moon Altitude: -24.86°
Moon Distance: 403,778 km
Angular Diameter: 29.8'
Moon Age: 12.2 days
Next Moonrise: Today, 18:10
Next Moonset: N/A
Next New Moon: 10 Sep 2026, 21:26
Next Full Moon: 27 Aug 2026, 22:18
Next Perigee (closest): 06 Sep 2026 (368,260 km)
Next Apogee (farthest): 18 Sep 2026 (404,220 km)
The moon over Boulder is in its Waxing Gibbous phase, 89.7% illuminated. The next full moon is 27 Aug 2026, 22:18, and the next new moon is 10 Sep 2026, 21:26.
Moonrise, Moonset and Moon Phase Calendar in Boulder, May 2026
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| May | Moon | Moonrise/Moonset | Meridian Passing | ||||
|---|---|---|---|---|---|---|---|
| Moonrise | Moonset | Moonrise | Time | Distance (km) | Illumination | ||
| 1 |
🌕 at 11:23
|
05:34
↑
(245° WSW)
|
20:26
↑
(118° ESE)
|
00:32
(31.7°)
|
397,570 | 99.8% | |
| 2 |
06:03
↑
(240° WSW)
|
21:29
↑
(123° ESE)
|
01:18
(27.3°)
|
400,195 | 98.8% | ||
| 3 |
06:37
↑
(235° SW)
|
22:30
↑
(127° SE)
|
02:06
(24.0°)
|
402,149 | 96.1% | ||
| 4 |
07:18
↑
(232° SW)
|
23:26
↑
(128° SE)
|
02:55
(21.9°)
|
403,271 | 91.7% | ||
| 5 |
-
|
08:07
↑
(232° SW)
|
03:47
(21.1°)
|
403,389 | 85.8% | ||
| 6 |
00:16
↑
(128° SE)
|
09:02
↑
(233° SW)
|
04:38
(21.7°)
|
402,354 | 78.6% | ||
| 7 |
00:58
↑
(125° SE)
|
10:03
↑
(236° SW)
|
05:28
(23.7°)
|
400,062 | 70.4% | ||
| 8 |
01:33
↑
(121° ESE)
|
11:06
↑
(241° WSW)
|
06:17
(26.9°)
|
396,484 | 61.2% | ||
| 9 |
🌗 at 15:10
|
02:03
↑
(116° ESE)
|
12:11
↑
(247° WSW)
|
07:03
(31.2°)
|
391,687 | 51.5% | |
| 10 |
02:29
↑
(109° ESE)
|
13:17
↑
(254° WSW)
|
07:49
(36.4°)
|
385,848 | 41.4% | ||
| 11 |
02:53
↑
(101° E)
|
14:23
↑
(263° W)
|
08:33
(42.4°)
|
379,267 | 31.3% | ||
| 12 |
03:16
↑
(93° E)
|
15:31
↑
(271° W)
|
09:18
(48.9°)
|
372,368 | 21.8% | ||
| 13 |
03:39
↑
(84° E)
|
16:43
↑
(280° W)
|
10:05
(55.7°)
|
365,676 | 13.3% | ||
| 14 |
04:05
↑
(76° ENE)
|
17:58
↑
(289° WNW)
|
10:55
(62.4°)
|
359,778 | 6.5% | ||
| 15 |
04:35
↑
(68° ENE)
|
19:17
↑
(297° WNW)
|
11:49
(68.5°)
|
355,246 | 1.9% | ||
| 16 |
🌑 at 14:00
|
05:11
↑
(60° ENE)
|
20:38
↑
(303° WNW)
|
12:49
(73.6°)
|
352,543 | 0.2% | |
| 17 |
05:58
↑
(55° NE)
|
21:56
↑
(307° NW)
|
13:54
(76.8°)
|
351,929 | 1.5% | ||
| 18 |
06:56
↑
(53° NE)
|
23:05
↑
(307° NW)
|
15:01
(77.8°)
|
353,400 | 5.7% | ||
| 19 | - |
08:06
↑
(54° NE)
|
16:07
(76.6°)
|
356,703 | 12.6% | ||
| 20 |
00:00
↑
(304° NW)
|
09:22
↑
(57° ENE)
|
17:08
(73.3°)
|
361,401 | 21.5% | ||
| 21 |
00:44
↑
(299° WNW)
|
10:38
↑
(63° ENE)
|
18:04
(68.5°)
|
366,985 | 31.6% | ||
| 22 |
01:18
↑
(292° WNW)
|
11:51
↑
(71° ENE)
|
18:54
(62.9°)
|
372,960 | 42.4% | ||
| 23 |
🌓 at 05:10
|
01:45
↑
(285° WNW)
|
13:00
↑
(79° ENE)
|
19:40
(56.7°)
|
378,906 | 53.2% | |
| 24 |
02:09
↑
(277° W)
|
14:06
↑
(87° E)
|
20:24
(50.5°)
|
384,507 | 63.5% | ||
| 25 |
02:31
↑
(269° W)
|
15:10
↑
(95° E)
|
21:06
(44.3°)
|
389,545 | 73.0% | ||
| 26 |
02:52
↑
(261° W)
|
16:12
↑
(103° ESE)
|
21:47
(38.5°)
|
393,896 | 81.3% | ||
| 27 |
03:14
↑
(254° WSW)
|
17:15
↑
(110° ESE)
|
22:30
(33.2°)
|
397,497 | 88.3% | ||
| 28 |
03:38
↑
(247° WSW)
|
18:18
↑
(116° ESE)
|
23:15
(28.6°)
|
400,322 | 93.7% | ||
| 29 |
04:05
↑
(241° WSW)
|
19:21
↑
(122° ESE)
|
Does not pass meridian
(N/A)
|
N/A | 97.5% | ||
| 30 |
04:38
↑
(236° WSW)
|
20:23
↑
(126° SE)
|
00:02
(25.0°)
|
402,361 | 99.5% | ||
| 31 |
🌕 at 02:45
|
05:17
↑
(233° SW)
|
21:20
↑
(128° SE)
|
00:51
(22.5°)
|
403,595 | 99.7% | |
|
* All times are local time for Boulder. Moonrise and moonset times are calculated for the geometric center of the Moon and account for Earth's atmospheric refraction. Dates are based on the Gregorian calendar. Illumination is calculated at lunar noon (or local noon if meridian passage is not on this day). The table may show "-" for moonrise or moonset if the event does not occur on that specific local day, or if the Moon is circumpolar (always above or always below the horizon). Two moonrises or moonsets on the same day can occur due to the Moon's orbital motion and the definition of a local day. |
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Moonrise & Moonset in Boulder Today
| Moonrise | Moonset | Up now? |
|---|---|---|
| - | 02:33 | - |
Frequently Asked Questions about the Moon in Boulder
What moon phase is visible in Boulder tonight?
The moon over Boulder is currently in the Waxing Gibbous 🌔 phase, with 89.7% illumination.
What percentage of the moon is illuminated over Boulder tonight?
89.7% of the visible disc of the moon is illuminated above Boulder tonight.
What time does the moon rise in Boulder next?
The moon's next rise over Boulder is Today, 18:10 local time.
When is the next full moon visible from Boulder?
From Boulder, the next full moon falls on 27 Aug 2026, 22:18.
When is the next new moon visible from Boulder?
The next new moon for observers in Boulder is on 10 Sep 2026, 21:26. New moons are the best nights for stargazing due to minimal moonlight.
Where in the sky is the moon over Boulder right now?
The moon over Boulder is currently -24.86° above the horizon at an azimuth of 102.32° (ESE).
How far is the moon from Boulder right now?
The moon is currently 403,778 from Earth (the same value applies to observers in Boulder since lunar distance dwarfs city-to-city distances).
