New moon dates 2023
- 2023: 12 × new moon — 21 January 2023, 20 February 2023, 21 March 2023, 20 April 2023, 19 May 2023, 18 June 2023, 17 July 2023, 16 August 2023, 15 September 2023, 14 October 2023, 13 November 2023, 13 December 2023.
New moon dates 2023
| Date | Time (UTC) | |
|---|---|---|
| Sat 21 Jan | 20:53 | passed |
| Mon 20 Feb | 07:05 | passed |
| Tue 21 Mar | 17:23 | passed |
| Thu 20 Apr | 04:12 | passed |
| Fri 19 May | 15:53 | passed |
| Sun 18 Jun | 04:37 | passed |
| Mon 17 Jul | 18:31 | passed |
| Wed 16 Aug | 09:38 | passed |
| Fri 15 Sep | 01:39 | passed |
| Sat 14 Oct | 17:55 | passed |
| Mon 13 Nov | 09:27 | passed |
| Wed 13 Dec | 23:32 | passed |
Questions people ask
What is a moon day?
A moon day counts the days since the last new moon: the first moon day starts at the new moon, the fifteenth around the full moon. The count on this page is the whole number of days since the last new moon plus one.
Is the moon waxing or waning?
Waxing means the lit part is growing (from new moon to full moon); waning means it is shrinking (from full moon to new moon). In the northern hemisphere a waxing moon is lit on the right.
How are the phase times calculated?
With the algorithms published by Jean Meeus in Astronomical Algorithms (1998), including the periodic terms, which give the phase instants to about one minute.