Moon · May 2025
Moon calendar for Waterloo, Ontario, Canada: May 2025
Daily moon phases, illumination, moonrise and moonset in Waterloo, Ontario, Canada for May 2025. Full moon: May 12, 2025. All times are shown in the local time of Waterloo, Ontario, Canada.
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% | 8:19 AM | 1:10 AM |
| 2 | Waxing Crescent | 29% | 9:34 AM | 2:04 AM |
| 3 | First Quarter | 40% | 10:33 AM | 2:42 AM |
| 4 | First Quarter | 50% | 12:02 PM | 3:30 AM |
| 5 | Waxing Gibbous | 61% | 1:24 PM | 3:40 AM |
| 6 | Waxing Gibbous | 70% | 2:23 PM | 4:07 AM |
| 7 | Waxing Gibbous | 79% | 3:35 PM | 4:21 AM |
| 8 | Waxing Gibbous | 86% | 4:26 PM | 4:27 AM |
| 9 | Waxing Gibbous | 92% | 5:37 PM | 4:46 AM |
| 10 | Waxing Gibbous | 96% | 6:28 PM | 5:24 AM |
| 11 | Full Moon | 99% | 7:40 PM | 5:35 AM |
| 12 | Full Moon | 100% | 8:33 PM | 5:53 AM |
| 13 | Full Moon | 99% | 9:45 PM | 6:23 AM |
| 14 | Waning Gibbous | 96% | 10:37 PM | 7:09 AM |
| 15 | Waning Gibbous | 92% | 11:41 PM | 7:47 AM |
| 16 | Waning Gibbous | 86% | — | 8:38 AM |
| 17 | Waning Gibbous | 78% | 12:24 AM | 9:50 AM |
| 18 | Waning Gibbous | 68% | 1:23 AM | 11:13 AM |
| 19 | Last Quarter | 58% | 1:40 AM | 12:20 PM |
| 20 | Last Quarter | 47% | 2:49 AM | 1:35 PM |
| 21 | Waning Crescent | 35% | 2:26 AM | 2:45 PM |
| 22 | Waning Crescent | 25% | 2:44 AM | 4:09 PM |
| 23 | Waning Crescent | 15% | 3:27 AM | 5:32 PM |
| 24 | Waning Crescent | 8% | 3:38 AM | 6:36 PM |
| 25 | Waning Crescent | 3% | 4:07 AM | 8:12 PM |
| 26 | New Moon | 0% | 4:26 AM | 9:37 PM |
| 27 | New Moon | 1% | 5:23 AM | 10:38 PM |
| 28 | Waxing Crescent | 4% | 6:11 AM | 11:50 PM |
| 29 | Waxing Crescent | 9% | 7:22 AM | — |
| 30 | Waxing Crescent | 16% | 8:22 AM | 12:33 AM |
| 31 | Waxing Crescent | 25% | 9:41 AM | 1:30 AM |
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Frequently asked questions
When is the full moon in May 2025 in Waterloo, 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
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