Moon · August 2026
Moon calendar for Iowa City, Iowa, United States: August 2026
Daily moon phases, illumination, moonrise and moonset in Iowa City, Iowa, United States for August 2026. Full moon: August 28, 2026. All times are shown in the local time of Iowa City, Iowa, United States.
Full moonFriday, August 28, 2026, 2:00 AM
New moonWednesday, August 12, 2026, 10:40 AM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | Waning Gibbous | 91% | 9:36 PM | 9:31 AM |
| 2 | Waning Gibbous | 84% | 9:50 PM | 10:24 AM |
| 3 | Waning Gibbous | 75% | 10:20 PM | 11:38 AM |
| 4 | Waning Gibbous | 65% | 10:30 PM | 12:47 PM |
| 5 | Last Quarter | 53% | 11:22 PM | 2:15 PM |
| 6 | Last Quarter | 42% | 11:48 PM | 3:36 PM |
| 7 | Waning Crescent | 30% | — | 4:35 PM |
| 8 | Waning Crescent | 20% | 12:30 AM | 5:59 PM |
| 9 | Waning Crescent | 12% | 1:42 AM | 6:54 PM |
| 10 | Waning Crescent | 5% | 2:55 AM | 7:40 PM |
| 11 | Waning Crescent | 1% | 4:19 AM | 8:18 PM |
| 12 | New Moon | 0% | 5:38 AM | 8:33 PM |
| 13 | Waxing Crescent | 1% | 6:45 AM | 9:20 PM |
| 14 | Waxing Crescent | 5% | 8:13 AM | 9:34 PM |
| 15 | Waxing Crescent | 11% | 9:28 AM | 9:43 PM |
| 16 | Waxing Crescent | 19% | 10:23 AM | 10:16 PM |
| 17 | Waxing Crescent | 27% | 11:35 AM | 10:27 PM |
| 18 | Waxing Crescent | 37% | 12:27 PM | 11:11 PM |
| 19 | First Quarter | 46% | 1:39 PM | 11:37 PM |
| 20 | First Quarter | 56% | 2:30 PM | — |
| 21 | Waxing Gibbous | 65% | 3:39 PM | 12:17 AM |
| 22 | Waxing Gibbous | 74% | 4:24 PM | 1:02 AM |
| 23 | Waxing Gibbous | 81% | 5:25 PM | 1:49 AM |
| 24 | Waxing Gibbous | 88% | 5:48 PM | 2:41 AM |
| 25 | Waxing Gibbous | 94% | 6:23 PM | 3:49 AM |
| 26 | Waxing Gibbous | 98% | 6:38 PM | 4:56 AM |
| 27 | Full Moon | 100% | 7:25 PM | 6:05 AM |
| 28 | Full Moon | 100% | 7:37 PM | 7:20 AM |
| 29 | Waning Gibbous | 98% | 7:54 PM | 8:18 AM |
| 30 | Waning Gibbous | 93% | 8:22 PM | 9:32 AM |
| 31 | Waning Gibbous | 87% | 8:31 PM | 10:27 AM |
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Frequently asked questions
When is the full moon in August 2026 in Iowa City, Iowa, United States?
The full moon peaks on Friday, August 28, 2026, 2:00 AM (local time).
When is the new moon in August 2026?
The new moon falls on Wednesday, August 12, 2026, 10:40 AM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
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