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 03:13:16 UT Thursday 18 January 2018
the waxing moon’s phase is

0.97% full

Time Zone:   

Some factors that go into this equation:

Universal Time is 3.23777777777779 in decimal hours.
The Julian date is 2458136.50968025.
The sun’s ecliptic longitude is 297.98023843243 degrees.
Its mean anomaly is 14.7250183102 degrees.
The moon’s true longitude is 2109.2729460617 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.