New moon dates 2017
- 2017: 12 × new moon — 28 January 2017, 26 February 2017, 28 March 2017, 26 April 2017, 25 May 2017, 24 June 2017, 23 July 2017, 21 August 2017, 20 September 2017, 19 October 2017, 18 November 2017, 18 December 2017.
New moon dates 2017
| Date | Time (UTC) | |
|---|---|---|
| Sat 28 Jan | 00:07 | passed |
| Sun 26 Feb | 14:58 | passed |
| Tue 28 Mar | 02:57 | passed |
| Wed 26 Apr | 12:16 | passed |
| Thu 25 May | 19:44 | passed |
| Sat 24 Jun | 02:30 | passed |
| Sun 23 Jul | 09:45 | passed |
| Mon 21 Aug | 18:30 | passed |
| Wed 20 Sep | 05:29 | passed |
| Thu 19 Oct | 19:12 | passed |
| Sat 18 Nov | 11:42 | passed |
| Mon 18 Dec | 06:30 | 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.