![[ YPTC Logo ]](/YPTClogoblue.gif)
![[ Current Mooncalc Image ]](mooncalcscreen.gif)
The following color key should be used to translate the various colors into the age of the moon.
White = 0 to 15 hours old
Yellow = 15 to 20 hours old
Purple = 20 to 25 hours old
Red = 25 to 30 hours old
Lt. Blue = 30 to 35 hours old
Green = 35 to 40 hours old
Dk. Blue = 40 to 45 hours old
Grey = 45 to 50 hours old
It should be noted that it is extremely difficult to see a visible new moon with the naked eye when it is less than 20 hours old.
The following key (also provided on image) should be used to translate the visibility of the moon, and the likelihood it will be seen in your area:
Easily Visible
Visible Under Perfect Conditions
Optical Aid needed to find moon
Visible with optical aid only