Moon phases in 2021
Every primary moon phase record the U.S. Naval Observatory publishes for 2021, with the published date and time in Universal Time, the same moment read on a UTC+8 clock, and the source file each row was read from.
49 records for 2021.
| Date (UT) | Time (UT) | Phase | Date (UTC+8) | Time (UTC+8) | Source file |
|---|---|---|---|---|---|
| 2021-01-06 | 09:37 | Last Quarter | 2021-01-06 | 17:37 | usno_phases_2021.json |
| 2021-01-13 | 05:00 | New Moon | 2021-01-13 | 13:00 | usno_phases_2021.json |
| 2021-01-20 | 21:01 | First Quarter | 2021-01-21 | 05:01 | usno_phases_2021.json |
| 2021-01-28 | 19:16 | Full Moon | 2021-01-29 | 03:16 | usno_phases_2021.json |
| 2021-02-04 | 17:37 | Last Quarter | 2021-02-05 | 01:37 | usno_phases_2021.json |
| 2021-02-11 | 19:06 | New Moon | 2021-02-12 | 03:06 | usno_phases_2021.json |
| 2021-02-19 | 18:47 | First Quarter | 2021-02-20 | 02:47 | usno_phases_2021.json |
| 2021-02-27 | 08:17 | Full Moon | 2021-02-27 | 16:17 | usno_phases_2021.json |
| 2021-03-06 | 01:30 | Last Quarter | 2021-03-06 | 09:30 | usno_phases_2021.json |
| 2021-03-13 | 10:21 | New Moon | 2021-03-13 | 18:21 | usno_phases_2021.json |
| 2021-03-21 | 14:40 | First Quarter | 2021-03-21 | 22:40 | usno_phases_2021.json |
| 2021-03-28 | 18:48 | Full Moon | 2021-03-29 | 02:48 | usno_phases_2021.json |
| 2021-04-04 | 10:02 | Last Quarter | 2021-04-04 | 18:02 | usno_phases_2021.json |
| 2021-04-12 | 02:31 | New Moon | 2021-04-12 | 10:31 | usno_phases_2021.json |
| 2021-04-20 | 06:59 | First Quarter | 2021-04-20 | 14:59 | usno_phases_2021.json |
| 2021-04-27 | 03:31 | Full Moon | 2021-04-27 | 11:31 | usno_phases_2021.json |
| 2021-05-03 | 19:50 | Last Quarter | 2021-05-04 | 03:50 | usno_phases_2021.json |
| 2021-05-11 | 19:00 | New Moon | 2021-05-12 | 03:00 | usno_phases_2021.json |
| 2021-05-19 | 19:13 | First Quarter | 2021-05-20 | 03:13 | usno_phases_2021.json |
| 2021-05-26 | 11:14 | Full Moon | 2021-05-26 | 19:14 | usno_phases_2021.json |
| 2021-06-02 | 07:24 | Last Quarter | 2021-06-02 | 15:24 | usno_phases_2021.json |
| 2021-06-10 | 10:53 | New Moon | 2021-06-10 | 18:53 | usno_phases_2021.json |
| 2021-06-18 | 03:54 | First Quarter | 2021-06-18 | 11:54 | usno_phases_2021.json |
| 2021-06-24 | 18:40 | Full Moon | 2021-06-25 | 02:40 | usno_phases_2021.json |
| 2021-07-01 | 21:11 | Last Quarter | 2021-07-02 | 05:11 | usno_phases_2021.json |
| 2021-07-10 | 01:17 | New Moon | 2021-07-10 | 09:17 | usno_phases_2021.json |
| 2021-07-17 | 10:11 | First Quarter | 2021-07-17 | 18:11 | usno_phases_2021.json |
| 2021-07-24 | 02:37 | Full Moon | 2021-07-24 | 10:37 | usno_phases_2021.json |
| 2021-07-31 | 13:16 | Last Quarter | 2021-07-31 | 21:16 | usno_phases_2021.json |
| 2021-08-08 | 13:50 | New Moon | 2021-08-08 | 21:50 | usno_phases_2021.json |
| 2021-08-15 | 15:19 | First Quarter | 2021-08-15 | 23:19 | usno_phases_2021.json |
| 2021-08-22 | 12:02 | Full Moon | 2021-08-22 | 20:02 | usno_phases_2021.json |
| 2021-08-30 | 07:13 | Last Quarter | 2021-08-30 | 15:13 | usno_phases_2021.json |
| 2021-09-07 | 00:52 | New Moon | 2021-09-07 | 08:52 | usno_phases_2021.json |
| 2021-09-13 | 20:39 | First Quarter | 2021-09-14 | 04:39 | usno_phases_2021.json |
| 2021-09-20 | 23:55 | Full Moon | 2021-09-21 | 07:55 | usno_phases_2021.json |
| 2021-09-29 | 01:57 | Last Quarter | 2021-09-29 | 09:57 | usno_phases_2021.json |
| 2021-10-06 | 11:05 | New Moon | 2021-10-06 | 19:05 | usno_phases_2021.json |
| 2021-10-13 | 03:25 | First Quarter | 2021-10-13 | 11:25 | usno_phases_2021.json |
| 2021-10-20 | 14:57 | Full Moon | 2021-10-20 | 22:57 | usno_phases_2021.json |
| 2021-10-28 | 20:05 | Last Quarter | 2021-10-29 | 04:05 | usno_phases_2021.json |
| 2021-11-04 | 21:14 | New Moon | 2021-11-05 | 05:14 | usno_phases_2021.json |
| 2021-11-11 | 12:46 | First Quarter | 2021-11-11 | 20:46 | usno_phases_2021.json |
| 2021-11-19 | 08:57 | Full Moon | 2021-11-19 | 16:57 | usno_phases_2021.json |
| 2021-11-27 | 12:28 | Last Quarter | 2021-11-27 | 20:28 | usno_phases_2021.json |
| 2021-12-04 | 07:43 | New Moon | 2021-12-04 | 15:43 | usno_phases_2021.json |
| 2021-12-11 | 01:35 | First Quarter | 2021-12-11 | 09:35 | usno_phases_2021.json |
| 2021-12-19 | 04:35 | Full Moon | 2021-12-19 | 12:35 | usno_phases_2021.json |
| 2021-12-27 | 02:24 | Last Quarter | 2021-12-27 | 10:24 | usno_phases_2021.json |
computed: the published UTC date and time above, read on a UTC+8 clock (China Standard Time); the USNO API publishes UTC and no China-time field
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). The period covered is the 2021 calendar year. Records fetched 2026-10-31.