September 1977

1. Sun
2. Mon
3. Tue
4. Wed
5. Thu
6. Fri
7. Sat
12. 1 85%
13. 2 77%
14. 3 68%
15. 4 59%
16. 5 Last qtr
17. 6 40%
18. 7 31%
19. 8 22%
20. 9 15%
21. 10 8%
22. 11 4%
23. 12 1%
24. 13 New
25. 14 2%
26. 15 6%
27. 16 13%
28. 17 22%
29. 18 32%
30. 19 43%
31. 20 First qtr
32. 21 66%
33. 22 76%
34. 23 85%
35. 24 92%
36. 25 97%
37. 26 99%
38. 27 Full
39. 28 98%
40. 29 95%
41. 30 89%

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

Events in September 1977

1. Sun, Sep 46:02 PM

   Mars and Jupiter close together

   They pass 0.5° apart in the sky.

2. Mon, Sep 51:33 AM

   Mercury at inferior conjunction

   Passes between Earth and the Sun and is lost in its glare.

3. Mon, Sep 510:33 AM

   Last Quarter

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

4. Mon, Sep 5

   Apogee

   The Moon's farthest point from Earth on this orbit: 404,200 km.

5. Wed, Sep 72:31 AM

   Moon and Jupiter close together

   They pass 4.7° apart in the sky.

6. Wed, Sep 74:36 AM

   Jupiter, Mars, and Moon gathered

   All within 5.3° of each other in the sky.

7. Sat, Sep 101:59 PM

   Moon and Venus close together

   They pass 4.9° apart in the sky.

8. Sun, Sep 112:58 AM

   Moon, Saturn, and Venus gathered

   All within 7.8° of each other in the sky.

9. Mon, Sep 125:53 AM

   Moon and Mercury close together

   They pass 1.5° apart in the sky.

10. Tue, Sep 135:23 AM

    New Moon

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

11. Fri, Sep 165:32 PM

    Moon and Uranus close together

    They pass 1.7° apart in the sky.

12. Sun, Sep 18

    Perigee

    The Moon's closest point to Earth on this orbit: 369,100 km.

13. Sun, Sep 185:50 AM

    Venus and Saturn close together

    They pass 0.4° apart in the sky.

14. Mon, Sep 193:16 AM

    Moon and Neptune close together

    They pass 3.0° apart in the sky.

15. Tue, Sep 202:18 AM

    First Quarter

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

16. Wed, Sep 214:09 AM

    Mercury at greatest elongation

    18° from the Sun in the morning sky, its best showing before sunrise.

17. Thu, Sep 2211:29 PM

    September equinox

    Day and night are nearly equal. Autumn begins in the northern hemisphere and spring in the southern.

18. Tue, Sep 274:18 AM

    Full Moon Harvest Moon

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

19. Tue, Sep 274:29 AM

    Penumbral lunar eclipse

    The Moon passes through Earth's faint outer shadow and dims slightly.

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