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New moon dates 2001

Key facts
  • 2001: 12 × new moon — 24 January 2001, 23 February 2001, 25 March 2001, 23 April 2001, 23 May 2001, 21 June 2001, 20 July 2001, 19 August 2001, 17 September 2001, 16 October 2001, 15 November 2001, 14 December 2001.

New moon dates 2001

DateTime (UTC)
Wed 24 Jan13:06passed
Fri 23 Feb08:21passed
Sun 25 Mar01:21passed
Mon 23 Apr15:25passed
Wed 23 May02:46passed
Thu 21 Jun11:57passed
Fri 20 Jul19:44passed
Sun 19 Aug02:55passed
Mon 17 Sep10:27passed
Tue 16 Oct19:23passed
Thu 15 Nov06:39passed
Fri 14 Dec20:47passed

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.

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