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Moon phase calendar January 1979
| Day | Phase | Illum. | Age | Rise (Tokyo) | Set (Tokyo) | |
|---|---|---|---|---|---|---|
| 1 Mon | Waxing crescent | 8% | 2.3 | 08:33 | 19:36 | |
| 2 Tue | Waxing crescent | 16% | 3.3 | 09:19 | 20:45 | |
| 3 Wed | Waxing crescent | 25% | 4.3 | 10:01 | 21:52 | |
| 4 Thu | First quarter | 36% | 5.3 | 10:40 | 22:57 | |
| 5 Fri | First quarter 20:14 | 46% | 6.3 | 11:17 | – | |
| 6 Sat | First quarter | 57% | 7.3 | 11:53 | 00:00 | |
| 7 Sun | First quarter | 67% | 8.3 | 12:30 | 01:01 | |
| 8 Mon | Waxing gibbous | 76% | 9.3 | 13:08 | 02:00 | |
| 9 Tue | Waxing gibbous | 84% | 10.3 | 13:48 | 02:57 | |
| 10 Wed | Waxing gibbous | 91% | 11.3 | 14:31 | 03:53 | |
| 11 Thu | Waxing gibbous | 96% | 12.3 | 15:17 | 04:46 | |
| 12 Fri | Full moon | 99% | 13.3 | 16:06 | 05:35 | |
| 13 Sat | Full moon 16:08 | 100% | 14.3 | 16:57 | 06:21 | |
| 14 Sun | Full moon | 99% | 15.3 | 17:49 | 07:03 | |
| 15 Mon | Full moon | 97% | 16.3 | 18:43 | 07:42 | |
| 16 Tue | Waning gibbous | 93% | 17.3 | 19:36 | 08:18 | |
| 17 Wed | Waning gibbous | 88% | 18.3 | 20:30 | 08:52 | |
| 18 Thu | Waning gibbous | 81% | 19.3 | 21:25 | 09:24 | |
| 19 Fri | Waning gibbous | 73% | 20.3 | 22:20 | 09:56 | |
| 20 Sat | Last quarter | 64% | 21.3 | 23:16 | 10:28 | |
| 21 Sun | Last quarter 20:23 | 54% | 22.3 | – | 11:01 | |
| 22 Mon | Last quarter | 43% | 23.3 | 00:14 | 11:38 | |
| 23 Tue | Last quarter | 33% | 24.3 | 01:14 | 12:18 | |
| 24 Wed | Waning crescent | 23% | 25.3 | 02:16 | 13:04 | |
| 25 Thu | Waning crescent | 14% | 26.3 | 03:19 | 13:56 | |
| 26 Fri | Waning crescent | 7% | 27.3 | 04:22 | 14:55 | |
| 27 Sat | New moon | 2% | 28.3 | 05:22 | 16:01 | |
| 28 Sun | New moon 15:19 | 0% | 29.3 | 06:17 | 17:10 | |
| 29 Mon | New moon | 1% | 0.9 | 07:08 | 18:21 | |
| 30 Tue | Waxing crescent | 5% | 1.9 | 07:53 | 19:32 | |
| 31 Wed | Waxing crescent | 12% | 2.9 | 08:35 | 20:40 |
Computed with the JPL DE421 ephemeris and Skyfield (JST). Illumination and age are for 12:00 JST; moonrise and moonset are for Tokyo. Distances are centre to centre. "Supermoon" is not a formal astronomical term.
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Daily moon phase, illumination, age and Tokyo moonrise/moonset for January 1979. Full moon: Jan 13 (405,185 km away).