New moon dates 1981
- 1981: 13 × new moon — 6 January 1981, 5 February 1981, 6 March 1981, 5 April 1981, 4 May 1981, 2 June 1981, 1 July 1981, 31 July 1981, 29 August 1981, 28 September 1981, 27 October 1981, 26 November 1981, 26 December 1981.
New moon dates 1981
| Date | Time (UTC) | |
|---|---|---|
| Tue 6 Jan | 07:23 | passed |
| Thu 5 Feb | 22:13 | passed |
| Fri 6 Mar | 10:30 | passed |
| Sun 5 Apr | 20:19 | passed |
| Mon 4 May | 04:18 | passed |
| Tue 2 Jun | 11:31 | passed |
| Wed 1 Jul | 19:02 | passed |
| Fri 31 Jul | 03:51 | passed |
| Sat 29 Aug | 14:43 | passed |
| Mon 28 Sep | 04:07 | passed |
| Tue 27 Oct | 20:12 | passed |
| Thu 26 Nov | 14:38 | passed |
| Sat 26 Dec | 10:09 | 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.