December 1917

1. Sun
2. Mon
3. Tue
4. Wed
5. Thu
6. Fri
7. Sat
14. 1 91%
15. 2 84%
16. 3 76%
17. 4 68%
18. 5 58%
19. 6 Last qtr
20. 7 40%
21. 8 31%
22. 9 22%
23. 10 14%
24. 11 8%
25. 12 3%
26. 13 1%
27. 14 New
28. 15 2%
29. 16 7%
30. 17 14%
31. 18 22%
32. 19 33%
33. 20 44%
34. 21 First qtr
35. 22 66%
36. 23 76%
37. 24 85%
38. 25 92%
39. 26 97%
40. 27 99%
41. 28 Full
42. 29 98%
43. 30 95%
44. 31 89%

• Moon phase
• Perigee or apogee
• Eclipse
• Planets
• Equinox or solstice

Events in December 1917

1. Mon, Dec 37:08 AM

   Moon and Neptune close together

   They pass 2.9° apart in the sky.

2. Mon, Dec 38:34 PM

   Moon, Neptune, and Saturn gathered

   All within 7.6° of each other in the sky.

3. Mon, Dec 310:00 PM

   Moon and Saturn close together

   They pass 4.3° apart in the sky.

4. Thu, Dec 69:14 AM

   Last Quarter

   Half of the disc is lit. The Moon rises around midnight and is up through the morning.

5. Thu, Dec 6

   Apogee

   The Moon's farthest point from Earth on this orbit: 404,400 km.

6. Fri, Dec 144:17 AM

   New Moon

   The Moon passes between Earth and the Sun and cannot be seen. These are the darkest nights of the month.

7. Fri, Dec 144:26 AM

   Annular solar eclipse

   The Moon passes in front of the Sun but is too far away to cover it, leaving a ring of light.

8. Sat, Dec 156:07 PM

   Moon and Mercury close together

   They pass 3.0° apart in the sky.

9. Mon, Dec 171:52 AM

   Mercury at greatest elongation

   20° from the Sun in the evening sky, its best showing after sunset.

10. Tue, Dec 189:02 AM

    Moon and Uranus close together

    They pass 4.7° apart in the sky.

11. Tue, Dec 18

    Perigee

    The Moon's closest point to Earth on this orbit: 369,000 km.

12. Fri, Dec 211:07 AM

    First Quarter

    Half of the disc is lit. The Moon is high at sunset and sets around midnight.

13. Sat, Dec 224:45 AM

    December solstice

    The shortest day in the northern hemisphere and the longest in the southern.

14. Tue, Dec 254:37 PM

    Moon and Jupiter close together

    They pass 3.3° apart in the sky.

15. Fri, Dec 284:46 AM

    Total lunar eclipse

    The Moon passes fully into Earth's shadow and turns a dim copper red.

16. Fri, Dec 284:51 AM

    Full Moon Cold Moon

    The whole disc is lit. The Moon rises around sunset and stays up all night.

17. Sun, Dec 302:44 PM

    Moon and Neptune close together

    They pass 2.9° apart in the sky.

18. Sun, Dec 307:25 PM

    Venus and Uranus close together

    They pass 0.5° apart in the sky.

19. Mon, Dec 312:59 AM

    Moon, Neptune, and Saturn gathered

    All within 7.1° of each other in the sky.

20. Mon, Dec 314:27 AM

    Moon and Saturn close together

    They pass 4.3° apart in the sky.

Times are local to America/New York. Each Moon is drawn as it looks at midday.