Nature calendar
Moon Calendar · December 2021
Daily moon phases, illumination, and key lunar dates.
Daily calendar data
Waning Crescent14%View → Waning Crescent7%View → New Moon3%View → New MoonNewView → New MoonNewView → New Moon2%View → Waxing Crescent7%View → Waxing Crescent13%View → Waxing Crescent21%View → Waxing Crescent30%View → First Quarter40%View → First QuarterFirst QtrView → First Quarter61%View → Waxing Gibbous71%View → Waxing Gibbous80%View → Waxing Gibbous88%View → Waxing Gibbous94%View → Full Moon98%View → Full MoonFullView → Full Moon99%View → Full Moon97%View → Waning Gibbous92%View → Waning Gibbous85%View → Waning Gibbous77%View → Last Quarter68%View → Last Quarter57%View → Last QuarterLast QtrView → Last Quarter36%View → Waning Crescent26%View → Waning Crescent18%View → Waning Crescent10%View →December lunar highlights
New MoonDec 4
New MoonDec 5
First QuarterDec 12
Full MoonDec 19
Last QuarterDec 27
Source & method: moon deterministic calculation, algorithm 1.0.
About this calendar
A clearer way to see moon.
Follow the lunar cycle through a calm monthly visual. MixCalendar keeps the underlying time data separate from the visual layout, so the same calendar can grow into new formats without changing its meaning.
Good to know
Can I share this calendar?
Yes. Generate a share poster, copy a clean link, or download the complete current calendar view.
Does it work on mobile?
Yes. Every Phase 1 calendar is designed mobile-first and works without an account.