Moon phase, moonrise and moonset times in Boulder, Colorado, United States

Current local time 5:01:58 PM (UTC-6)

May 2025 — Moon in Boulder

Date		Moonrise	Moonset	Moonrise	Moon phase	Illumination
May 1	Thu	—	—	8:47 AM	Waxing crescent	21%
May 2	Fri	—	12:12 AM	9:45 AM	Waxing crescent	31%
May 3	Sat	—	1:01 AM	10:47 AM	Waxing crescent	41%
May 4	Sun	—	1:43 AM	11:52 AM	First quarter	52%
May 5	Mon	—	2:20 AM	12:58 PM	Waxing gibbous	62%
May 6	Tue	—	2:52 AM	2:04 PM	Waxing gibbous	71%
May 7	Wed	—	3:21 AM	3:09 PM	Waxing gibbous	79%
May 8	Thu	—	3:49 AM	4:14 PM	Waxing gibbous	87%
May 9	Fri	—	4:16 AM	5:19 PM	Waxing gibbous	92%
May 10	Sat	—	4:45 AM	6:25 PM	Waxing gibbous	97%
May 11	Sun	—	5:16 AM	7:31 PM	Waxing gibbous	99%
May 12	Mon	—	5:50 AM	8:36 PM	Full moon	100%
May 13	Tue	—	6:31 AM	9:40 PM	Waning gibbous	99%
May 14	Wed	—	7:17 AM	10:40 PM	Waning gibbous	96%
May 15	Thu	—	8:10 AM	11:33 PM	Waning gibbous	92%
May 16	Fri	—	9:09 AM	—	Waning gibbous	85%
May 17	Sat	12:21 AM	10:13 AM	—	Waning gibbous	78%
May 18	Sun	1:01 AM	11:18 AM	—	Waning gibbous	69%
May 19	Mon	1:36 AM	12:24 PM	—	Waning gibbous	58%
May 20	Tue	2:07 AM	1:30 PM	—	Third quarter	48%
May 21	Wed	2:36 AM	2:35 PM	—	Waning crescent	36%
May 22	Thu	3:03 AM	3:40 PM	—	Waning crescent	26%
May 23	Fri	3:31 AM	4:45 PM	—	Waning crescent	16%
May 24	Sat	4:00 AM	5:51 PM	—	Waning crescent	8%
May 25	Sun	4:32 AM	6:57 PM	—	Waning crescent	3%
May 26	Mon	5:08 AM	8:02 PM	—	New moon	0%
May 27	Tue	5:50 AM	9:05 PM	—	Waxing crescent	1%
May 28	Wed	6:38 AM	10:03 PM	—	Waxing crescent	4%
May 29	Thu	7:34 AM	10:55 PM	—	Waxing crescent	10%
May 30	Fri	8:34 AM	11:40 PM	—	Waxing crescent	17%
May 31	Sat	—	—	9:39 AM	Waxing crescent	26%

Boulder