SkyAlmanac

Moon · May 2026

Moon calendar for Waterloo, Iowa, United States: May 2026

Daily moon phases, illumination, moonrise and moonset in Waterloo, Iowa, United States for May 2026. Full moon: May 1, 2026, May 31, 2026. All times are shown in the local time of Waterloo, Iowa, United States.

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Full moonFriday, May 1, 2026, 12:27 PM
Full moonSunday, May 31, 2026, 3:55 AM
New moonSaturday, May 16, 2026, 2:30 PM
Day Phase Illumination Moonrise Moonset
1 Full Moon 100% 8:22 PM 6:06 AM
2 Waning Gibbous 99% 9:33 PM 6:25 AM
3 Waning Gibbous 96% 10:23 PM 7:12 AM
4 Waning Gibbous 91% 11:30 PM 7:43 AM
5 Waning Gibbous 86% — 8:27 AM
6 Waning Gibbous 78% 12:15 AM 9:35 AM
7 Waning Gibbous 70% 12:42 AM 10:25 AM
8 Waning Gibbous 61% 1:34 AM 11:37 AM
9 Last Quarter 51% 1:53 AM 12:33 PM
10 Last Quarter 40% 2:22 AM 1:45 PM
11 Waning Crescent 30% 2:31 AM 3:03 PM
12 Waning Crescent 21% 3:12 AM 4:15 PM
13 Waning Crescent 13% 3:34 AM 5:32 PM
14 Waning Crescent 6% 3:45 AM 6:30 PM
15 Waning Crescent 2% 4:18 AM 8:02 PM
16 New Moon 0% 4:33 AM 9:32 PM
17 Waxing Crescent 1% 5:32 AM 10:32 PM
18 Waxing Crescent 5% 6:17 AM 11:45 PM
19 Waxing Crescent 12% 7:30 AM —
20 Waxing Crescent 20% 8:28 AM 12:33 AM
21 Waxing Crescent 30% 9:59 AM 1:33 AM
22 First Quarter 41% 11:29 AM 1:52 AM
23 First Quarter 52% 12:26 PM 2:21 AM
24 Waxing Gibbous 63% 1:43 PM 2:31 AM
25 Waxing Gibbous 73% 2:47 PM 3:09 AM
26 Waxing Gibbous 81% 4:03 PM 3:31 AM
27 Waxing Gibbous 88% 5:17 PM 3:39 AM
28 Waxing Gibbous 94% 6:15 PM 4:09 AM
29 Waxing Gibbous 98% 7:26 PM 4:25 AM
30 Full Moon 99% 8:18 PM 5:10 AM
31 Full Moon 100% 9:23 PM 5:40 AM

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Frequently asked questions

When is the full moon in May 2026 in Waterloo, Iowa, United States?

The full moon peaks on Friday, May 1, 2026, 12:27 PM; Sunday, May 31, 2026, 3:55 AM (local time).

When is the new moon in May 2026?

The new moon falls on Saturday, May 16, 2026, 2:30 PM (local time) — the darkest nights of the month, best for stargazing.

Data: Meeus astronomical algorithms. How we calculate this

More for Waterloo, Iowa, United States

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