SkyAlmanac

Moon · May 2025

Moon calendar for Ottawa, Ontario, Canada: May 2025

Daily moon phases, illumination, moonrise and moonset in Ottawa, Ontario, Canada for May 2025. Full moon: May 12, 2025. All times are shown in the local time of Ottawa, Ontario, Canada.

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Full moonMonday, May 12, 2025, 3:11 PM
New moonMonday, May 26, 2025, 8:39 PM
Day Phase Illumination Moonrise Moonset
1 Waxing Crescent 20% 7:46 AM 12:54 AM
2 Waxing Crescent 29% 8:56 AM 1:52 AM
3 First Quarter 40% 10:15 AM 2:29 AM
4 First Quarter 50% 11:36 AM 3:16 AM
5 Waxing Gibbous 61% 12:36 PM 3:35 AM
6 Waxing Gibbous 70% 1:59 PM 3:45 AM
7 Waxing Gibbous 79% 3:17 PM 4:07 AM
8 Waxing Gibbous 86% 4:16 PM 4:20 AM
9 Waxing Gibbous 92% 5:27 PM 4:25 AM
10 Waxing Gibbous 96% 6:21 PM 4:10 AM
11 Full Moon 99% 7:33 PM 5:19 AM
12 Full Moon 100% 8:25 PM 5:35 AM
13 Full Moon 99% 9:37 PM 5:59 AM
14 Waning Gibbous 96% 10:27 PM 6:28 AM
15 Waning Gibbous 92% 11:35 PM 7:31 AM
16 Waning Gibbous 86% — 8:20 AM
17 Waning Gibbous 78% 12:18 AM 9:33 AM
18 Waning Gibbous 68% 12:50 AM 10:29 AM
19 Last Quarter 58% 1:33 AM 11:50 AM
20 Last Quarter 47% 1:48 AM 1:23 PM
21 Waning Crescent 35% 2:18 AM 2:23 PM
22 Waning Crescent 25% 2:26 AM 3:43 PM
23 Waning Crescent 15% 2:44 AM 5:18 PM
24 Waning Crescent 8% 3:24 AM 6:25 PM
25 Waning Crescent 3% 3:38 AM 7:56 PM
26 New Moon 0% 4:10 AM 9:32 PM
27 New Moon 1% 4:33 AM 10:34 PM
28 Waxing Crescent 4% 5:37 AM 11:42 PM
29 Waxing Crescent 9% 6:30 AM —
30 Waxing Crescent 16% 7:54 AM 12:27 AM
31 Waxing Crescent 25% 9:23 AM 1:16 AM

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Frequently asked questions

When is the full moon in May 2025 in Ottawa, Ontario, Canada?

The full moon peaks on Monday, May 12, 2025, 3:11 PM (local time).

When is the new moon in May 2025?

The new moon falls on Monday, May 26, 2025, 8:39 PM (local time) — the darkest nights of the month, best for stargazing.

Data: Meeus astronomical algorithms. How we calculate this

More for Ottawa, Ontario, Canada

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