Dec22028 · UTC
Full Moon — Cold Moon
The Moon reaches its full phase (Cold Moon).
The astronomy calendar
December 2028.
Choose a date to see what’s happening. Event pages show your local viewing times and directions.
The month at a glance
Choose a date.
Highlighted days have catalog events. Choose a day to jump to its details below. This calendar uses UTC dates.
| S | M | T | W | T | F | S |
|---|---|---|---|---|---|---|
| 26 | 27 | 28 | 29 | 30 | 1 | 2 |
| 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| 31 | 1 | 2 | 3 | 4 | 5 | 6 |
7 events this month
Grouped by peak date in UTCSaturday, December 2 UTC
Sunday, December 3 UTC
Dec32028 · UTC
Uranus at Opposition
Uranus lies opposite the Sun, rises near sunset, and is favorably placed for observing.
Saturday, December 16 UTC
Dec162028 · UTC
New Moon
Dark moonless skies make this a useful night for stargazing.
Thursday, December 21 UTC
Dec212028 · UTC
December Solstice
Astronomical winter begins in the Northern Hemisphere and summer in the Southern Hemisphere.
Sunday, December 31 UTC
Dec312028 · UTC
Mercury at Greatest Eastern Elongation
Mercury reaches its widest apparent separation from the Sun and is best placed in the evening sky.
Dec312028 · UTC
Full Moon — Blue Moon
The Moon reaches its full phase (Blue Moon).
Dec312028 · UTC
Total Lunar Eclipse
Europe, Africa, Asia, Australia, and the Pacific
Catalog refreshed . Dates and predictions come from the catalog used by Forecast Bar, with a source on every event.
Calendar day groupings use UTC. Event times adapt to your device’s time zone when JavaScript is available. Exact local visibility and weather can differ from the global catalog timing.
Take the sky with you
From a date on a calendar
to a night worth remembering.
Open the astronomy calendar in Forecast Bar to explore events alongside your local weather and astronomy alert settings.
