| Sky events in December - 2020 | |
| Date | Event |
| Tue, 1 at 07h45m GMT | Moon Ascending Node |
| at 12h00m GMT | Venus: 27.5º West |
| Thu, 3 at 01h21m GMT | Moon North Maximum Declination: 24.9º North |
| Sat, 5 at 01h09m GMT | Moon-Beehive: 2.5º South |
| Tue, 8 at 00h36m GMT | Moon phase - Last Quarter |
| Sat, 12 at 20h40m GMT | Moon-Venus: 0.8º South |
| at 20h42m GMT | Moon Perigee: 361800 km |
| Mon, 14 at 00h34m GMT | Geminid Shower: Zenith Hourly Rate (ZHR) = 120 |
| at 11h03m GMT | Moon Descending Node |
| at 16h14m GMT | Total Solar Eclipse |
| at 16h16m GMT | Moon phase - New Moon |
| Tue, 15 at 22h22m GMT | Moon South Maximum Declination: 24.9º South |
| Thu, 17 at 04h27m GMT | Moon-Jupiter: 3º North |
| at 05h24m GMT | Moon-Saturn: 3.1º North |
| Sun, 20 at 02h55m GMT | Mercury Superior Conj. |
| Mon, 21 at 10h02m GMT | Winter Solstice |
| at 23h41m GMT | Moon phase - First Quarter |
| Tue, 22 at 09h00m GMT | Ursid Shower: Zenith Hourly Rate (ZHR) = 10 |
| at 09h34m GMT | Jupiter-Saturn: 0.1º North |
| Wed, 23 at 14h47m GMT | Venus-Antares: 5.6º North |
| Thu, 24 at 16h32m GMT | Moon Apogee: 405000 km |
| Mon, 28 at 15h02m GMT | Moon Ascending Node |
| Wed, 30 at 03h28m GMT | Moon phase - Full Moon |
| at 07h53m GMT | Moon North Maximum Declination: 24.9º North |