Castelo do Piauí Sunrise, Sunset and Moon in May 2026
Day length goes from 11 h 55 min on May 1 to 11 h 50 min on May 31. Sunrise moves from 5:46 AM to 5:49 AM and sunset from 5:41 PM to 5:39 PM.
Every day
Dawn and dusk are civil twilight (the sun 6 degrees below the horizon); golden hour starts when the evening sun is 6 degrees up; full dark is astronomical twilight, 18 degrees down. A blank moonrise or moonset means it falls on the next day.
| Date | Dawn | Sunrise | Sunset | Dusk | Golden hour | Full dark | Day length | Change | Moon | Moonrise | Moonset |
|---|---|---|---|---|---|---|---|---|---|---|---|
| May 1 | 5:24 AM | 5:46 AM | 5:41 PM | 6:02 PM | 5:12 PM | 6:52 PM | 11 h 55 min | Full moon 2:24 PM | 5:36 PM | 5:27 AM | |
| May 2 | 5:24 AM | 5:46 AM | 5:41 PM | 6:02 PM | 5:12 PM | 6:52 PM | 11 h 55 min | +0.0 min | Full moon, 100% | 6:21 PM | 6:15 AM |
| May 3 | 5:24 AM | 5:46 AM | 5:40 PM | 6:02 PM | 5:12 PM | 6:52 PM | 11 h 54 min | -1.0 min | Waning gibbous, 97% | 7:09 PM | 7:04 AM |
| May 4 | 5:24 AM | 5:46 AM | 5:40 PM | 6:02 PM | 5:12 PM | 6:52 PM | 11 h 54 min | +0.0 min | Waning gibbous, 92% | 7:59 PM | 7:55 AM |
| May 5 | 5:24 AM | 5:46 AM | 5:40 PM | 6:02 PM | 5:11 PM | 6:52 PM | 11 h 54 min | +0.0 min | Waning gibbous, 86% | 8:50 PM | 8:47 AM |
| May 6 | 5:24 AM | 5:46 AM | 5:40 PM | 6:02 PM | 5:11 PM | 6:52 PM | 11 h 54 min | +0.0 min | Waning gibbous, 77% | 9:42 PM | 9:38 AM |
| May 7 | 5:24 AM | 5:46 AM | 5:40 PM | 6:01 PM | 5:11 PM | 6:52 PM | 11 h 54 min | +0.0 min | Waning gibbous, 68% | 10:33 PM | 10:27 AM |
| May 8 | 5:24 AM | 5:46 AM | 5:40 PM | 6:01 PM | 5:11 PM | 6:52 PM | 11 h 54 min | +0.0 min | Last quarter, 58% | 11:22 PM | 11:14 AM |
| May 9 | 5:24 AM | 5:46 AM | 5:39 PM | 6:01 PM | 5:11 PM | 6:52 PM | 11 h 53 min | -1.0 min | Last quarter 6:11 PM | 11:59 AM | |
| May 10 | 5:24 AM | 5:46 AM | 5:39 PM | 6:01 PM | 5:10 PM | 6:51 PM | 11 h 53 min | +0.0 min | Waning crescent, 37% | 12:09 AM | 12:42 PM |
| May 11 | 5:24 AM | 5:46 AM | 5:39 PM | 6:01 PM | 5:10 PM | 6:51 PM | 11 h 53 min | +0.0 min | Waning crescent, 27% | 12:56 AM | 1:24 PM |
| May 12 | 5:24 AM | 5:46 AM | 5:39 PM | 6:01 PM | 5:10 PM | 6:51 PM | 11 h 53 min | +0.0 min | Waning crescent, 18% | 1:43 AM | 2:06 PM |
| May 13 | 5:24 AM | 5:46 AM | 5:39 PM | 6:01 PM | 5:10 PM | 6:51 PM | 11 h 53 min | +0.0 min | Waning crescent, 11% | 2:32 AM | 2:51 PM |
| May 14 | 5:24 AM | 5:46 AM | 5:39 PM | 6:01 PM | 5:10 PM | 6:51 PM | 11 h 53 min | +0.0 min | Waning crescent, 5% | 3:23 AM | 3:38 PM |
| May 15 | 5:24 AM | 5:46 AM | 5:39 PM | 6:01 PM | 5:10 PM | 6:51 PM | 11 h 53 min | +0.0 min | Waning crescent, 1% | 4:18 AM | 4:31 PM |
| May 16 | 5:25 AM | 5:46 AM | 5:39 PM | 6:01 PM | 5:10 PM | 6:52 PM | 11 h 53 min | +0.0 min | New moon 5:02 PM | 5:18 AM | 5:29 PM |
| May 17 | 5:25 AM | 5:47 AM | 5:39 PM | 6:01 PM | 5:09 PM | 6:52 PM | 11 h 52 min | -1.0 min | New moon, 1% | 6:23 AM | 6:32 PM |
| May 18 | 5:25 AM | 5:47 AM | 5:39 PM | 6:01 PM | 5:09 PM | 6:52 PM | 11 h 52 min | +0.0 min | Waxing crescent, 4% | 7:30 AM | 7:39 PM |
| May 19 | 5:25 AM | 5:47 AM | 5:39 PM | 6:01 PM | 5:09 PM | 6:52 PM | 11 h 52 min | +0.0 min | Waxing crescent, 9% | 8:37 AM | 8:45 PM |
| May 20 | 5:25 AM | 5:47 AM | 5:39 PM | 6:01 PM | 5:09 PM | 6:52 PM | 11 h 52 min | +0.0 min | Waxing crescent, 16% | 9:40 AM | 9:48 PM |
| May 21 | 5:25 AM | 5:47 AM | 5:39 PM | 6:01 PM | 5:09 PM | 6:52 PM | 11 h 52 min | +0.0 min | Waxing crescent, 25% | 10:36 AM | 10:46 PM |
| May 22 | 5:25 AM | 5:47 AM | 5:39 PM | 6:01 PM | 5:09 PM | 6:52 PM | 11 h 52 min | +0.0 min | Waxing crescent, 34% | 11:26 AM | 11:38 PM |
| May 23 | 5:25 AM | 5:47 AM | 5:39 PM | 6:01 PM | 5:09 PM | 6:52 PM | 11 h 52 min | +0.0 min | First quarter 8:11 AM | 12:11 PM | |
| May 24 | 5:25 AM | 5:48 AM | 5:39 PM | 6:01 PM | 5:09 PM | 6:52 PM | 11 h 51 min | -1.0 min | First quarter, 55% | 12:53 PM | 12:26 AM |
| May 25 | 5:26 AM | 5:48 AM | 5:39 PM | 6:01 PM | 5:09 PM | 6:52 PM | 11 h 51 min | +0.0 min | Waxing gibbous, 66% | 1:33 PM | 1:12 AM |
| May 26 | 5:26 AM | 5:48 AM | 5:39 PM | 6:01 PM | 5:09 PM | 6:52 PM | 11 h 51 min | +0.0 min | Waxing gibbous, 75% | 2:12 PM | 1:56 AM |
| May 27 | 5:26 AM | 5:48 AM | 5:39 PM | 6:01 PM | 5:09 PM | 6:53 PM | 11 h 51 min | +0.0 min | Waxing gibbous, 84% | 2:52 PM | 2:40 AM |
| May 28 | 5:26 AM | 5:48 AM | 5:39 PM | 6:01 PM | 5:09 PM | 6:53 PM | 11 h 51 min | +0.0 min | Waxing gibbous, 91% | 3:34 PM | 3:25 AM |
| May 29 | 5:26 AM | 5:48 AM | 5:39 PM | 6:01 PM | 5:09 PM | 6:53 PM | 11 h 51 min | +0.0 min | Waxing gibbous, 96% | 4:18 PM | 4:12 AM |
| May 30 | 5:26 AM | 5:49 AM | 5:39 PM | 6:01 PM | 5:09 PM | 6:53 PM | 11 h 50 min | -1.0 min | Full moon, 99% | 5:05 PM | 5:00 AM |
| May 31 | 5:27 AM | 5:49 AM | 5:39 PM | 6:01 PM | 5:09 PM | 6:53 PM | 11 h 50 min | +0.0 min | Full moon 5:46 AM | 5:55 PM | 5:51 AM |
Other months
More
Sources
Computed with the NOAA solar position equations and the lunar methods of Meeus, Astronomical Algorithms, for a flat horizon; hills and buildings delay a real sunrise.