SkyAlmanac

Moon · December 2025

Moon calendar for Swansea, Wales, United Kingdom: December 2025

Daily moon phases, illumination, moonrise and moonset in Swansea, Wales, United Kingdom for December 2025. Full moon: December 4, 2025. All times are shown in the local time of Swansea, Wales, United Kingdom.

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Full moonThursday, December 4, 2025, 11:18 PM
New moonSaturday, December 20, 2025, 2:59 AM
Day Phase Illumination Moonrise Moonset
1 Waxing Gibbous 85% 1:33 PM 3:49 AM
2 Waxing Gibbous 92% 1:41 PM 5:33 AM
3 Waxing Gibbous 97% 2:03 PM 6:59 AM
4 Full Moon 100% 2:23 PM 8:32 AM
5 Full Moon 99% 3:25 PM 10:02 AM
6 Waning Gibbous 96% 4:17 PM 11:12 AM
7 Waning Gibbous 91% 5:49 PM 11:48 AM
8 Waning Gibbous 84% 7:29 PM 12:16 PM
9 Waning Gibbous 75% 8:45 PM 12:27 PM
10 Waning Gibbous 65% 10:18 PM 12:36 PM
11 Last Quarter 55% 11:37 PM 12:50 PM
12 Last Quarter 44% — 1:13 PM
13 Waning Crescent 35% 12:41 AM 1:27 PM
14 Waning Crescent 26% 2:08 AM 1:33 PM
15 Waning Crescent 18% 3:26 AM 1:39 PM
16 Waning Crescent 11% 4:23 AM 1:54 PM
17 Waning Crescent 6% 5:40 AM 2:19 PM
18 Waning Crescent 2% 6:38 AM 2:42 PM
19 New Moon 1% 7:48 AM 3:37 PM
20 New Moon 0% 8:34 AM 4:23 PM
21 Waxing Crescent 2% 9:31 AM 5:36 PM
22 Waxing Crescent 5% 9:56 AM 6:38 PM
23 Waxing Crescent 11% 10:20 AM 8:04 PM
24 Waxing Crescent 18% 10:30 AM 9:31 PM
25 Waxing Crescent 27% 10:50 AM 10:32 PM
26 Waxing Crescent 37% 11:17 AM —
27 First Quarter 49% 11:31 AM 12:06 AM
28 First Quarter 60% 11:36 AM 1:35 AM
29 Waxing Gibbous 71% 11:45 AM 2:56 AM
30 Waxing Gibbous 81% 12:07 PM 4:27 AM
31 Waxing Gibbous 89% 12:22 PM 6:10 AM

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Frequently asked questions

When is the full moon in December 2025 in Swansea, Wales, United Kingdom?

The full moon peaks on Thursday, December 4, 2025, 11:18 PM (local time).

When is the new moon in December 2025?

The new moon falls on Saturday, December 20, 2025, 2:59 AM (local time) — the darkest nights of the month, best for stargazing.

Data: Meeus astronomical algorithms. How we calculate this

More for Swansea, Wales, United Kingdom

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