Naperville, IL sky calendar · August 2027
Full moon: Tue, Aug 17. New moon: Mon, Aug 2, Tue, Aug 31. Sunrise moves from 5:46 AM to 6:17 AM, sunset from 8:10 PM to 7:27 PM. 4 sky events this month (below). Times are local (CDT).
| Date | Sunrise | Sunset | Moonrise | Moonset | Moon |
|---|---|---|---|---|---|
| Sun, Aug 1 | 5:46 AM | 8:10 PM | 4:33 AM | 7:51 PM | Waning crescent · 1% |
| Mon, Aug 2 | 5:47 AM | 8:09 PM | 5:55 AM | 8:25 PM | New moon · 0% |
| Tue, Aug 3 | 5:48 AM | 8:08 PM | 7:17 AM | 8:53 PM | Waxing crescent · 3% |
| Wed, Aug 4 | 5:49 AM | 8:07 PM | 8:36 AM | 9:19 PM | Waxing crescent · 8% |
| Thu, Aug 5 | 5:50 AM | 8:05 PM | 9:51 AM | 9:43 PM | Waxing crescent · 15% |
| Fri, Aug 6 | 5:51 AM | 8:04 PM | 11:05 AM | 10:08 PM | Waxing crescent · 24% |
| Sat, Aug 7 | 5:52 AM | 8:03 PM | 12:17 PM | 10:35 PM | Waxing crescent · 34% |
| Sun, Aug 8 | 5:53 AM | 8:02 PM | 1:27 PM | 11:06 PM | First quarter · 45% |
| Mon, Aug 9 | 5:54 AM | 8:00 PM | 2:35 PM | 11:42 PM | Waxing gibbous · 55% |
| Tue, Aug 10 | 5:55 AM | 7:59 PM | 3:39 PM | — | Waxing gibbous · 65% |
| Wed, Aug 11 | 5:56 AM | 7:58 PM | 4:37 PM | 12:25 AM | Waxing gibbous · 74% |
| Thu, Aug 12 | 5:57 AM | 7:56 PM | 5:26 PM | 1:15 AM | Waxing gibbous · 82% |
| Fri, Aug 13 | 5:58 AM | 7:55 PM | 6:07 PM | 2:11 AM | Waxing gibbous · 89% |
| Sat, Aug 14 | 5:59 AM | 7:54 PM | 6:41 PM | 3:11 AM | Waxing gibbous · 94% |
| Sun, Aug 15 | 6:00 AM | 7:52 PM | 7:10 PM | 4:14 AM | Waxing gibbous · 98% |
| Mon, Aug 16 | 6:01 AM | 7:51 PM | 7:34 PM | 5:17 AM | Waxing gibbous · 100% |
| Tue, Aug 17 | 6:02 AM | 7:49 PM | 7:56 PM | 6:19 AM | Full moon · 100% |
| Wed, Aug 18 | 6:04 AM | 7:48 PM | 8:16 PM | 7:20 AM | Waning gibbous · 98% |
| Thu, Aug 19 | 6:05 AM | 7:46 PM | 8:35 PM | 8:21 AM | Waning gibbous · 95% |
| Fri, Aug 20 | 6:06 AM | 7:45 PM | 8:56 PM | 9:23 AM | Waning gibbous · 90% |
| Sat, Aug 21 | 6:07 AM | 7:43 PM | 9:19 PM | 10:27 AM | Waning gibbous · 83% |
| Sun, Aug 22 | 6:08 AM | 7:42 PM | 9:45 PM | 11:33 AM | Waning gibbous · 74% |
| Mon, Aug 23 | 6:09 AM | 7:40 PM | 10:17 PM | 12:42 PM | Waning gibbous · 65% |
| Tue, Aug 24 | 6:10 AM | 7:39 PM | 10:57 PM | 1:52 PM | Last quarter · 54% |
| Wed, Aug 25 | 6:11 AM | 7:37 PM | 11:48 PM | 3:00 PM | Waning crescent · 43% |
| Thu, Aug 26 | 6:12 AM | 7:35 PM | — | 4:04 PM | Waning crescent · 33% |
| Fri, Aug 27 | 6:13 AM | 7:34 PM | 12:52 AM | 4:58 PM | Waning crescent · 22% |
| Sat, Aug 28 | 6:14 AM | 7:32 PM | 2:05 AM | 5:43 PM | Waning crescent · 13% |
| Sun, Aug 29 | 6:15 AM | 7:31 PM | 3:25 AM | 6:20 PM | Waning crescent · 6% |
| Mon, Aug 30 | 6:16 AM | 7:29 PM | 4:47 AM | 6:51 PM | Waning crescent · 2% |
| Tue, Aug 31 | 6:17 AM | 7:27 PM | 6:07 AM | 7:18 PM | New moon · 0% |
Sky events this month
- Mon, Aug 2 5:06 AMTotal solar eclipseNot visible from Naperville, IL
- Thu, Aug 12Perseids meteor shower peakUp to about 100 meteors an hour under a perfectly dark sky · bright moonlight hides fainter meteors
- Tue, Aug 17 2:13 AMPenumbral lunar eclipseVisible from Naperville, IL
- Tue, Aug 17 2:29 AMFull moon
Month by month
Calculated with Astronomy Engine (MIT license).