New moon dates 2003
- 2003: 13 × new moon — 2 January 2003, 1 February 2003, 3 March 2003, 1 April 2003, 1 May 2003, 31 May 2003, 29 June 2003, 29 July 2003, 27 August 2003, 26 September 2003, 25 October 2003, 24 November 2003, 23 December 2003.
New moon dates 2003
| Date | Time (UTC) | |
|---|---|---|
| Thu 2 Jan | 20:22 | passed |
| Sat 1 Feb | 10:48 | passed |
| Mon 3 Mar | 02:34 | passed |
| Tue 1 Apr | 19:18 | passed |
| Thu 1 May | 12:14 | passed |
| Sat 31 May | 04:19 | passed |
| Sun 29 Jun | 18:38 | passed |
| Tue 29 Jul | 06:52 | passed |
| Wed 27 Aug | 17:26 | passed |
| Fri 26 Sep | 03:09 | passed |
| Sat 25 Oct | 12:50 | passed |
| Mon 24 Nov | 22:58 | passed |
| Tue 23 Dec | 09:42 | 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.