New moon dates 2011
- 2011: 13 × new moon — 4 January 2011, 3 February 2011, 4 March 2011, 3 April 2011, 3 May 2011, 2 June 2011, 1 July 2011, 30 July 2011, 29 August 2011, 27 September 2011, 26 October 2011, 25 November 2011, 24 December 2011.
New moon dates 2011
| Date | Time (UTC) | |
|---|---|---|
| Tue 4 Jan | 09:02 | passed |
| Thu 3 Feb | 02:30 | passed |
| Fri 4 Mar | 20:45 | passed |
| Sun 3 Apr | 14:32 | passed |
| Tue 3 May | 06:50 | passed |
| Thu 2 Jun | 21:02 | passed |
| Fri 1 Jul | 08:53 | passed |
| Sat 30 Jul | 18:39 | passed |
| Mon 29 Aug | 03:04 | passed |
| Tue 27 Sep | 11:08 | passed |
| Wed 26 Oct | 19:55 | passed |
| Fri 25 Nov | 06:09 | passed |
| Sat 24 Dec | 18:06 | 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.