May Moon phase calendar <May 2021>SunMonTueWedThuFriSat 1 2 3 4First quarter 5 6 7 8 9 10 11FULL moon 12 13 14 15 16 17 18 19Last quarter 20 21 22 23 24 25 26 27 28 29 30 31 Recent months October 2020 November 2020 December 2020 January 2021 February 2021 March 2021 Future months May 2021 June 2021 July 2021 August 2021 September 2021 October 2021