Moon phases in 2023
Every primary moon phase record the U.S. Naval Observatory publishes for 2023, 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 2023.
| Date (UT) | Time (UT) | Phase | Date (UTC+8) | Time (UTC+8) | Source file |
|---|---|---|---|---|---|
| 2023-01-06 | 23:08 | Full Moon | 2023-01-07 | 07:08 | usno_phases_2023.json |
| 2023-01-15 | 02:10 | Last Quarter | 2023-01-15 | 10:10 | usno_phases_2023.json |
| 2023-01-21 | 20:53 | New Moon | 2023-01-22 | 04:53 | usno_phases_2023.json |
| 2023-01-28 | 15:19 | First Quarter | 2023-01-28 | 23:19 | usno_phases_2023.json |
| 2023-02-05 | 18:28 | Full Moon | 2023-02-06 | 02:28 | usno_phases_2023.json |
| 2023-02-13 | 16:01 | Last Quarter | 2023-02-14 | 00:01 | usno_phases_2023.json |
| 2023-02-20 | 07:06 | New Moon | 2023-02-20 | 15:06 | usno_phases_2023.json |
| 2023-02-27 | 08:06 | First Quarter | 2023-02-27 | 16:06 | usno_phases_2023.json |
| 2023-03-07 | 12:40 | Full Moon | 2023-03-07 | 20:40 | usno_phases_2023.json |
| 2023-03-15 | 02:08 | Last Quarter | 2023-03-15 | 10:08 | usno_phases_2023.json |
| 2023-03-21 | 17:23 | New Moon | 2023-03-22 | 01:23 | usno_phases_2023.json |
| 2023-03-29 | 02:32 | First Quarter | 2023-03-29 | 10:32 | usno_phases_2023.json |
| 2023-04-06 | 04:34 | Full Moon | 2023-04-06 | 12:34 | usno_phases_2023.json |
| 2023-04-13 | 09:11 | Last Quarter | 2023-04-13 | 17:11 | usno_phases_2023.json |
| 2023-04-20 | 04:12 | New Moon | 2023-04-20 | 12:12 | usno_phases_2023.json |
| 2023-04-27 | 21:20 | First Quarter | 2023-04-28 | 05:20 | usno_phases_2023.json |
| 2023-05-05 | 17:34 | Full Moon | 2023-05-06 | 01:34 | usno_phases_2023.json |
| 2023-05-12 | 14:28 | Last Quarter | 2023-05-12 | 22:28 | usno_phases_2023.json |
| 2023-05-19 | 15:53 | New Moon | 2023-05-19 | 23:53 | usno_phases_2023.json |
| 2023-05-27 | 15:22 | First Quarter | 2023-05-27 | 23:22 | usno_phases_2023.json |
| 2023-06-04 | 03:42 | Full Moon | 2023-06-04 | 11:42 | usno_phases_2023.json |
| 2023-06-10 | 19:31 | Last Quarter | 2023-06-11 | 03:31 | usno_phases_2023.json |
| 2023-06-18 | 04:37 | New Moon | 2023-06-18 | 12:37 | usno_phases_2023.json |
| 2023-06-26 | 07:50 | First Quarter | 2023-06-26 | 15:50 | usno_phases_2023.json |
| 2023-07-03 | 11:39 | Full Moon | 2023-07-03 | 19:39 | usno_phases_2023.json |
| 2023-07-10 | 01:48 | Last Quarter | 2023-07-10 | 09:48 | usno_phases_2023.json |
| 2023-07-17 | 18:32 | New Moon | 2023-07-18 | 02:32 | usno_phases_2023.json |
| 2023-07-25 | 22:07 | First Quarter | 2023-07-26 | 06:07 | usno_phases_2023.json |
| 2023-08-01 | 18:32 | Full Moon | 2023-08-02 | 02:32 | usno_phases_2023.json |
| 2023-08-08 | 10:28 | Last Quarter | 2023-08-08 | 18:28 | usno_phases_2023.json |
| 2023-08-16 | 09:38 | New Moon | 2023-08-16 | 17:38 | usno_phases_2023.json |
| 2023-08-24 | 09:57 | First Quarter | 2023-08-24 | 17:57 | usno_phases_2023.json |
| 2023-08-31 | 01:35 | Full Moon | 2023-08-31 | 09:35 | usno_phases_2023.json |
| 2023-09-06 | 22:21 | Last Quarter | 2023-09-07 | 06:21 | usno_phases_2023.json |
| 2023-09-15 | 01:40 | New Moon | 2023-09-15 | 09:40 | usno_phases_2023.json |
| 2023-09-22 | 19:32 | First Quarter | 2023-09-23 | 03:32 | usno_phases_2023.json |
| 2023-09-29 | 09:57 | Full Moon | 2023-09-29 | 17:57 | usno_phases_2023.json |
| 2023-10-06 | 13:48 | Last Quarter | 2023-10-06 | 21:48 | usno_phases_2023.json |
| 2023-10-14 | 17:55 | New Moon | 2023-10-15 | 01:55 | usno_phases_2023.json |
| 2023-10-22 | 03:29 | First Quarter | 2023-10-22 | 11:29 | usno_phases_2023.json |
| 2023-10-28 | 20:24 | Full Moon | 2023-10-29 | 04:24 | usno_phases_2023.json |
| 2023-11-05 | 08:37 | Last Quarter | 2023-11-05 | 16:37 | usno_phases_2023.json |
| 2023-11-13 | 09:27 | New Moon | 2023-11-13 | 17:27 | usno_phases_2023.json |
| 2023-11-20 | 10:50 | First Quarter | 2023-11-20 | 18:50 | usno_phases_2023.json |
| 2023-11-27 | 09:16 | Full Moon | 2023-11-27 | 17:16 | usno_phases_2023.json |
| 2023-12-05 | 05:49 | Last Quarter | 2023-12-05 | 13:49 | usno_phases_2023.json |
| 2023-12-12 | 23:32 | New Moon | 2023-12-13 | 07:32 | usno_phases_2023.json |
| 2023-12-19 | 18:39 | First Quarter | 2023-12-20 | 02:39 | usno_phases_2023.json |
| 2023-12-27 | 00:33 | Full Moon | 2023-12-27 | 08:33 | usno_phases_2023.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, 2023 (API record; phase times in Universal Time). The period covered is the 2023 calendar year. Records fetched 2026-10-31.