To look up the phase of the moon for any date,
just fill out the form below, then hit "Find Phase."

The waxing moon.

At 07:07:51 UT Monday 19 February 2018
the waxing moon’s phase is

11.59% full

Time Zone:   

Some factors that go into this equation:

Universal Time is 7.1475 in decimal hours.
The Julian date is 2458168.61593064.
The sun’s ecliptic longitude is 330.582240101871 degrees.
Its mean anomaly is 46.4263006884 degrees.
The moon’s true longitude is 2530.39516667529 degrees.

These calculations incorporate the switch to the English New Style (N.S.)—i.e., Gregorian— calendar after Wednesday, 02 September 1752; the next day became Thursday, 14 September, skipping eleven days. (Please also note that, while fairly accurate, these calculations remain a bit buggy.)

 Send comments to info@moonpage.com.

© 1997–2018 by 3IP.