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Moon · August 2025

Moon calendar for St. Catharines, Ontario, Canada: August 2025

Daily moon phases, illumination, moonrise and moonset in St. Catharines, Ontario, Canada for August 2025. Full moon: August 9, 2025. All times are shown in the local time of St. Catharines, Ontario, Canada.

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Full moonSaturday, August 9, 2025, 4:33 AM
New moonFriday, August 22, 2025, 11:32 PM
Day Phase Illumination Moonrise Moonset
1 First Quarter 52% 2:10 PM 12:03 AM
2 Waxing Gibbous 61% 3:26 PM 12:22 AM
3 Waxing Gibbous 70% 4:16 PM 12:48 AM
4 Waxing Gibbous 78% 5:13 PM 1:36 AM
5 Waxing Gibbous 86% 6:08 PM 2:18 AM
6 Waxing Gibbous 92% 6:43 PM 3:24 AM
7 Waxing Gibbous 97% 7:36 PM 4:18 AM
8 Full Moon 99% 8:08 PM 5:33 AM
9 Full Moon 100% 8:26 PM 6:27 AM
10 Waning Gibbous 98% 8:49 PM 7:41 AM
11 Waning Gibbous 94% 9:29 PM 9:11 AM
12 Waning Gibbous 87% 9:39 PM 10:20 AM
13 Waning Gibbous 79% 10:03 PM 11:36 AM
14 Waning Gibbous 68% 10:23 PM 12:51 PM
15 Last Quarter 57% 10:53 PM 2:19 PM
16 Last Quarter 45% 11:37 PM 3:42 PM
17 Waning Crescent 33% — 5:02 PM
18 Waning Crescent 23% 12:22 AM 6:10 PM
19 Waning Crescent 14% 1:34 AM 7:03 PM
20 Waning Crescent 7% 2:32 AM 7:40 PM
21 Waning Crescent 3% 4:03 AM 8:13 PM
22 New Moon 0% 5:28 AM 8:26 PM
23 New Moon 0% 6:25 AM 8:44 PM
24 Waxing Crescent 2% 7:39 AM 9:23 PM
25 Waxing Crescent 7% 8:33 AM 9:33 PM
26 Waxing Crescent 12% 9:45 AM 9:41 PM
27 Waxing Crescent 19% 10:41 AM 10:09 PM
28 Waxing Crescent 27% 11:52 AM 10:23 PM
29 Waxing Crescent 36% 12:55 PM 10:50 PM
30 First Quarter 45% 2:02 PM 11:35 PM
31 First Quarter 54% 3:04 PM —

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Frequently asked questions

When is the full moon in August 2025 in St. Catharines, Ontario, Canada?

The full moon peaks on Saturday, August 9, 2025, 4:33 AM (local time).

When is the new moon in August 2025?

The new moon falls on Friday, August 22, 2025, 11:32 PM (local time) — the darkest nights of the month, best for stargazing.

Data: Meeus astronomical algorithms. How we calculate this

More for St. Catharines, Ontario, Canada

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