SkyAlmanac

Moon · December 2025

Moon calendar for Thunder Bay, Ontario, Canada: December 2025

Daily moon phases, illumination, moonrise and moonset in Thunder Bay, Ontario, Canada for December 2025. Full moon: December 4, 2025. All times are shown in the local time of Thunder Bay, 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% 2:21 PM 4:37 AM
2 Waxing Gibbous 93% 2:32 PM 6:16 AM
3 Waxing Gibbous 98% 3:20 PM 7:45 AM
4 Full Moon 100% 3:46 PM 9:22 AM
5 Full Moon 99% 4:32 PM 10:27 AM
6 Waning Gibbous 96% 5:52 PM 11:38 AM
7 Waning Gibbous 90% 7:22 PM 12:15 PM
8 Waning Gibbous 82% 8:31 PM 12:35 PM
9 Waning Gibbous 73% 10:09 PM 1:10 PM
10 Waning Gibbous 63% 11:32 PM 1:31 PM
11 Last Quarter 52% — 1:36 PM
12 Last Quarter 42% 12:28 AM 1:44 PM
13 Waning Crescent 33% 1:46 AM 2:03 PM
14 Waning Crescent 24% 2:56 AM 2:18 PM
15 Waning Crescent 16% 4:12 AM 2:26 PM
16 Waning Crescent 10% 5:25 AM 2:48 PM
17 Waning Crescent 5% 6:21 AM 3:31 PM
18 Waning Crescent 2% 7:33 AM 3:57 PM
19 New Moon 0% 8:22 AM 4:36 PM
20 New Moon 0% 9:25 AM 5:41 PM
21 Waxing Crescent 3% 9:58 AM 6:38 PM
22 Waxing Crescent 6% 10:25 AM 7:54 PM
23 Waxing Crescent 12% 10:55 AM 9:22 PM
24 Waxing Crescent 20% 11:29 AM 10:23 PM
25 Waxing Crescent 29% 11:38 AM 11:41 PM
26 First Quarter 40% 11:50 AM —
27 First Quarter 51% 11:24 AM 1:07 AM
28 Waxing Gibbous 62% 12:23 PM 2:22 AM
29 Waxing Gibbous 73% 12:34 PM 3:48 AM
30 Waxing Gibbous 83% 1:20 PM 5:29 AM
31 Waxing Gibbous 91% 1:41 PM 6:38 AM

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Frequently asked questions

When is the full moon in December 2025 in Thunder Bay, 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

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