How many days until December 21?
55 days until December 21
December 21 falls on Monday, December 21, 2026
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| December 21 falls on | Monday, December 21, 2026 |
|---|---|
| Days to go | 55 days |
| In weeks | 7 weeks and 6 days |
| In months | 1 month and 24 days |
| Weekdays in between | 38 weekdays |
| Work days in between | 36 (skipping weekends and US federal holidays) |
| Sleeps | 55 |
| The one after that | Tuesday, December 21, 2027 |
About December 21
December 21 comes once a year. The countdown below runs to midnight at the start of December 21 in your own time zone.
Counting down to something else? Make your own with the countdown calculator, or use days between dates.
Nearby dates
- Days until December 18
- Days until December 19
- Days until December 20
- Days until December 22
- Days until December 23
- Days until December 24
- Days until December 28
- Days until January 4
- Days until January 20
Holiday countdowns
Questions
- How many days until December 21?
- When this page was last updated, there were 55 days until December 21 (Monday, December 21, 2026). The countdown at the top refreshes live on your device.
- What day of the week is December 21?
- The next December 21 falls on Monday, December 21, 2026.
- How many sleeps until December 21?
- The number of sleeps equals the number of days left, since you sleep once each night before the day arrives.