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 00:01:27 UT Monday 07 August 2017
the waxing moon’s phase was

99.42% full

Time Zone:   

Some factors that go into this equation:

Universal Time is 0.0408333333333334 in decimal hours.
The Julian date was 2457973.49417488.
The sun’s ecliptic longitude was 134.674374555862 degrees.
Its mean anomaly was 212.9475577028 degrees.
The moon’s true longitude was 305.919944455162 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.

© 1997–2017 by 3IP.