Celestial Events
Apr 19-May 28: Eta Aquariid meteor shower
May 3: Antares 0.5°N of Moon
May 4: Moon at Apogee: 405,841 km; 252,178 mi
May 5-May 6: PEAK: Eta Aquariid meteor shower; 10/hour
May 7: Callisto Transit End (00:43)
May 7: Io Transit Start (21:47)
May 7: Io Shadow Start (22:56)
May 8: Io Shadow End (01:14)
May 8: Io Transit End (00:04)
May 9: Last Quarter (15:13)
May 14: Io Transit Start (23:46)
May 15: Ganymede Shadow End (23:26)
May 15: Europa Transit End (22:03)
May 15: Io Shadow Start (00:52)
May 16: Europa Shadow End (00:11)
Daily Almanac
Darkness Ends:
04:07
Astro Twlight Ends:
04:52
Sunrise:
06:04
Solar Noon:
13:13
Sunset:
20:22
Astro Twlight Begins:
21:35
Darkness Begins:
22:20
Moonrise:
22:02
Moonset:
06:04
Illumination:
98.3%
| Moon Illumination May 2026 |
| Sun |
Mon |
Tue |
Wed |
Thu |
Fri |
Sat |
 |
|
|
|
|
1: 100% |
2: 98% |
| 3: 95% |
4: 90% |
5: 84% |
6: 77% |
7: 68% |
8: 59% |
9: 49% |
| 10: 39% |
11: 29% |
12: 20% |
13: 11% |
14: 5% |
15: 1% |
16: 0% |
| 17: 2% |
18: 7% |
19: 15% |
20: 24% |
21: 34% |
22: 45% |
23: 56% |
| 24: 66% |
25: 75% |
26: 83% |
27: 90% |
28: 95% |
29: 98% |
30: 100% |
| 31: 100% |
|
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|
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|
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