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

The waning moon.

At 21:52:26 UT Monday 21 January 2019
the waning moon’s phase will be

99.27% full

Time Zone:   

Some factors that go into this equation:

Universal Time is 21.8905555555556 in decimal hours.
The Julian date will be 2458505.49266967.
The sun’s ecliptic longitude will be 301.576180715117 degrees.
Its mean anomaly will be 18.2092896732 degrees.
The moon’s mean longitude will be 318.351648 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.

© 1997–2019 by 3IP.