New moon dates 1923
- 1923: 12 × new moon — 17 January 1923, 15 February 1923, 17 March 1923, 16 April 1923, 15 May 1923, 14 June 1923, 14 July 1923, 12 August 1923, 10 September 1923, 10 October 1923, 8 November 1923, 8 December 1923.
New moon dates 1923
| Date | Time (UTC) | |
|---|---|---|
| Wed 17 Jan | 02:40 | passed |
| Thu 15 Feb | 19:06 | passed |
| Sat 17 Mar | 12:50 | passed |
| Mon 16 Apr | 06:27 | passed |
| Tue 15 May | 22:37 | passed |
| Thu 14 Jun | 12:41 | passed |
| Sat 14 Jul | 00:43 | passed |
| Sun 12 Aug | 11:15 | passed |
| Mon 10 Sep | 20:51 | passed |
| Wed 10 Oct | 06:04 | passed |
| Thu 8 Nov | 15:26 | passed |
| Sat 8 Dec | 01:29 | 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.