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

Current local time 3:28:43 AM (UTC-6)

October 2025 — Moon in Boulder

Date		Moonrise	Moonset	Moonrise	Moon phase	Illumination
October 1	Wed	—	1:15 AM	4:03 PM	Waxing gibbous	67%
October 2	Thu	—	2:21 AM	4:38 PM	Waxing gibbous	77%
October 3	Fri	—	3:27 AM	5:09 PM	Waxing gibbous	85%
October 4	Sat	—	4:33 AM	5:38 PM	Waxing gibbous	92%
October 5	Sun	—	5:38 AM	6:05 PM	Waxing gibbous	97%
October 6	Mon	—	6:42 AM	6:33 PM	Full moon	100%
October 7	Tue	—	7:48 AM	7:02 PM	Waning gibbous	99%
October 8	Wed	—	8:53 AM	7:34 PM	Waning gibbous	96%
October 9	Thu	—	9:59 AM	8:10 PM	Waning gibbous	90%
October 10	Fri	—	11:04 AM	8:52 PM	Waning gibbous	82%
October 11	Sat	—	12:07 PM	9:41 PM	Waning gibbous	72%
October 12	Sun	—	1:05 PM	10:36 PM	Waning gibbous	61%
October 13	Mon	—	1:57 PM	11:37 PM	Third quarter	50%
October 14	Tue	—	2:42 PM	—	Waning crescent	39%
October 15	Wed	12:41 AM	3:20 PM	—	Waning crescent	29%
October 16	Thu	1:47 AM	3:54 PM	—	Waning crescent	20%
October 17	Fri	2:53 AM	4:24 PM	—	Waning crescent	13%
October 18	Sat	3:58 AM	4:52 PM	—	Waning crescent	7%
October 19	Sun	5:03 AM	5:20 PM	—	Waning crescent	3%
October 20	Mon	6:08 AM	5:48 PM	—	Waning crescent	1%
October 21	Tue	7:14 AM	6:17 PM	—	New moon	0%
October 22	Wed	8:19 AM	6:50 PM	—	Waxing crescent	1%
October 23	Thu	9:25 AM	7:28 PM	—	Waxing crescent	5%
October 24	Fri	10:30 AM	8:12 PM	—	Waxing crescent	9%
October 25	Sat	11:31 AM	9:03 PM	—	Waxing crescent	15%
October 26	Sun	12:28 PM	10:00 PM	—	Waxing crescent	23%
October 27	Mon	1:17 PM	11:02 PM	—	Waxing crescent	31%
October 28	Tue	—	—	2:00 PM	Waxing crescent	41%
October 29	Wed	—	12:07 AM	2:37 PM	First quarter	51%
October 30	Thu	—	1:13 AM	3:10 PM	Waxing gibbous	61%
October 31	Fri	—	2:19 AM	3:39 PM	Waxing gibbous	71%

Boulder