2021 in summary

What the checked records hold for 2021: how many moon phase, new moon and season records there are, the first and last new moon dates of the year, and the Wikidata Chinese New Year dates recorded for it.

Year 2021
Moon phase records 49
New moon records 12
Full moon records 12
First quarter records 12
Last quarter records 13
First new moon 2021-01-13
Last new moon 2021-12-04
New moon dates (UTC) 2021-01-13,2021-02-11,2021-03-13,2021-04-12,2021-05-11,2021-06-10,2021-07-10,2021-08-08,2021-09-07,2021-10-06,2021-11-04,2021-12-04
New moon dates (UTC+8) 2021-01-13,2021-02-12,2021-03-13,2021-04-12,2021-05-12,2021-06-10,2021-07-10,2021-08-08,2021-09-07,2021-10-06,2021-11-05,2021-12-04
Season records 6
Equinox records 2
Solstice records 2
Perihelion and aphelion records 2
Moon phase source file usno_phases_2021.json
Season source file usno_seasons_2021.json
Wikidata Chinese New Year dates not available
New moons matching a Wikidata date 0

Source and period

Figures on this page are read from these source records: U.S. Naval Observatory, Astronomical Applications Department - Dates of Primary Phases of the Moon, 2021 (API record; phase times in Universal Time); U.S. Naval Observatory, Astronomical Applications Department - Earth's Seasons: Equinoxes, Solstices, Perihelion and Aphelion, 2021 (API record; times in Universal Time). The period covered is the 2021 calendar year. Records fetched 2026-10-31.

Licence note for these records (source: U.S. Naval Observatory, Astronomical Applications Department - Dates of Primary Phases of the Moon, 2021 (API record; phase times in Universal Time)): “All information on this site is considered public information and may be distributed or copied unless otherwise specified.” — licence page

All sources and credits

Moon phases 2021 New moons 2021 All years