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Moon · December 2025

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

Daily moon phases, illumination, moonrise and moonset in St. Catharines, Ontario, Canada for December 2025. Full moon: December 4, 2025. All times are shown in the local time of St. Catharines, Ontario, Canada.

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Full moonThursday, December 4, 2025, 6:18 PM
New moonFriday, December 19, 2025, 9:59 PM
Day Phase Illumination Moonrise Moonset
1 Waxing Gibbous 86% 1:53 PM 3:46 AM
2 Waxing Gibbous 93% 2:22 PM 5:24 AM
3 Waxing Gibbous 98% 2:51 PM 6:28 AM
4 Full Moon 100% 3:39 PM 7:57 AM
5 Full Moon 99% 4:26 PM 9:24 AM
6 Waning Gibbous 96% 5:43 PM 10:17 AM
7 Waning Gibbous 90% 7:06 PM 11:08 AM
8 Waning Gibbous 82% 8:21 PM 11:39 AM
9 Waning Gibbous 73% 9:39 PM 12:10 PM
10 Waning Gibbous 63% 10:40 PM 12:24 PM
11 Last Quarter 52% — 12:38 PM
12 Last Quarter 42% 12:00 AM 1:16 PM
13 Waning Crescent 33% 1:16 AM 1:32 PM
14 Waning Crescent 24% 2:15 AM 1:39 PM
15 Waning Crescent 16% 3:26 AM 2:08 PM
16 Waning Crescent 10% 4:20 AM 2:24 PM
17 Waning Crescent 5% 5:31 AM 3:04 PM
18 Waning Crescent 2% 6:21 AM 3:39 PM
19 New Moon 0% 7:29 AM 4:23 PM
20 New Moon 0% 8:21 AM 5:31 PM
21 Waxing Crescent 3% 8:50 AM 6:22 PM
22 Waxing Crescent 6% 9:36 AM 7:35 PM
23 Waxing Crescent 12% 10:07 AM 8:30 PM
24 Waxing Crescent 20% 10:25 AM 9:45 PM
25 Waxing Crescent 29% 10:42 AM 11:10 PM
26 First Quarter 40% 11:26 AM —
27 First Quarter 51% 11:37 AM 12:19 AM
28 Waxing Gibbous 62% 11:55 AM 1:35 AM
29 Waxing Gibbous 73% 12:22 PM 2:39 AM
30 Waxing Gibbous 83% 12:44 PM 4:16 AM
31 Waxing Gibbous 91% 1:35 PM 5:39 AM

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Frequently asked questions

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

The full moon peaks on Thursday, December 4, 2025, 6:18 PM (local time).

When is the new moon in December 2025?

The new moon falls on Friday, December 19, 2025, 9:59 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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