Moon · May 2027
Moon calendar for Sioux City, Iowa, United States: May 2027
Daily moon phases, illumination, moonrise and moonset in Sioux City, Iowa, United States for May 2027. Full moon: May 20, 2027. All times are shown in the local time of Sioux City, Iowa, United States.
Full moonThursday, May 20, 2027, 4:47 AM
New moonThursday, May 6, 2027, 7:04 AM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | Waning Crescent | 23% | 3:36 AM | 3:52 PM |
| 2 | Waning Crescent | 16% | 3:48 AM | 5:02 PM |
| 3 | Waning Crescent | 9% | 4:17 AM | 6:11 PM |
| 4 | Waning Crescent | 4% | 4:26 AM | 7:29 PM |
| 5 | New Moon | 1% | 4:55 AM | 8:25 PM |
| 6 | New Moon | 0% | 5:34 AM | 9:45 PM |
| 7 | Waxing Crescent | 2% | 6:09 AM | 11:03 PM |
| 8 | Waxing Crescent | 6% | 6:46 AM | — |
| 9 | Waxing Crescent | 13% | 7:52 AM | 12:12 AM |
| 10 | Waxing Crescent | 22% | 9:17 AM | 1:14 AM |
| 11 | Waxing Crescent | 33% | 10:23 AM | 1:47 AM |
| 12 | First Quarter | 44% | 11:46 AM | 2:23 AM |
| 13 | First Quarter | 56% | 1:21 PM | 2:53 AM |
| 14 | Waxing Gibbous | 67% | 2:24 PM | 3:31 AM |
| 15 | Waxing Gibbous | 78% | 3:39 PM | 3:40 AM |
| 16 | Waxing Gibbous | 86% | 4:39 PM | 4:12 AM |
| 17 | Waxing Gibbous | 93% | 6:03 PM | 4:25 AM |
| 18 | Waxing Gibbous | 97% | 7:19 PM | 4:57 AM |
| 19 | Full Moon | 99% | 8:20 PM | 5:34 AM |
| 20 | Full Moon | 100% | 9:31 PM | 6:08 AM |
| 21 | Waning Gibbous | 98% | 10:20 PM | 6:41 AM |
| 22 | Waning Gibbous | 94% | 11:21 PM | 7:39 AM |
| 23 | Waning Gibbous | 89% | 11:46 PM | 8:27 AM |
| 24 | Waning Gibbous | 83% | — | 9:37 AM |
| 25 | Waning Gibbous | 75% | 12:22 AM | 10:28 AM |
| 26 | Waning Gibbous | 67% | 12:41 AM | 11:38 AM |
| 27 | Last Quarter | 58% | 1:27 AM | 12:31 PM |
| 28 | Last Quarter | 48% | 1:38 AM | 1:40 PM |
| 29 | Waning Crescent | 38% | 1:54 AM | 2:37 PM |
| 30 | Waning Crescent | 29% | 2:20 AM | 3:47 PM |
| 31 | Waning Crescent | 20% | 2:28 AM | 5:04 PM |
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Frequently asked questions
When is the full moon in May 2027 in Sioux City, Iowa, United States?
The full moon peaks on Thursday, May 20, 2027, 4:47 AM (local time).
When is the new moon in May 2027?
The new moon falls on Thursday, May 6, 2027, 7:04 AM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
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