December Moon phase calendar <December 2021>SunMonTueWedThuFriSat 1 2 3 4New moon 5 6 7 8 9 10 11First quarter 12 13 14 15 16 17 18 19Full moon 20 21 22 23 24 25 26 27Last quarter 28 29 30 31 Recent months January 2025 February 2025 March 2025 April 2025 May 2025 June 2025 Future months August 2025 September 2025 October 2025 November 2025 December 2025 January 2026