Nature calendar
Moon Calendar · December 2025
Daily moon phases, illumination, and key lunar dates.
Daily calendar data
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 → Waning Crescent5%View → New Moon1%View → New MoonNewView → New Moon1%View → Waxing Crescent4%View → Waxing Crescent9%View → Waxing Crescent16%View → Waxing Crescent25%View → First Quarter35%View → First QuarterFirst QtrView → First QuarterFirst QtrView → First Quarter66%View → Waxing Gibbous76%View → Waxing Gibbous84%View →December lunar highlights
Full MoonDec 5
Last QuarterDec 13
New MoonDec 20
First QuarterDec 27
First QuarterDec 28
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.