New moon dates 2042
- 2042: 12 × new moon — 21 January 2042, 20 February 2042, 21 March 2042, 20 April 2042, 19 May 2042, 17 June 2042, 17 July 2042, 15 August 2042, 14 September 2042, 14 October 2042, 12 November 2042, 12 December 2042.
- Next: 21 January 2042.
New moon dates 2042
| Date | Time (UTC) | |
|---|---|---|
| Tue 21 Jan | 20:42 | next |
| Thu 20 Feb | 07:38 | |
| Fri 21 Mar | 17:23 | |
| Sun 20 Apr | 02:19 | |
| Mon 19 May | 10:54 | |
| Tue 17 Jun | 19:48 | |
| Thu 17 Jul | 05:52 | |
| Fri 15 Aug | 18:01 | |
| Sun 14 Sep | 08:50 | |
| Tue 14 Oct | 02:03 | |
| Wed 12 Nov | 20:28 | |
| Fri 12 Dec | 14:29 |
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.