Day zero. . . . . . . . . . New Moon
First 7.4 days . . . . . . Waxing Crescent
End of 7.4 days. . . . . First Quarter
Next 7.4 days . . . . . . Waxing Gibbous
End of 14.8 days. . . . Full Moon
Next 7.4 days . . . . . . Waning Gibbous
End of 22.1 days. . . . Third Quarter
Next 7.4 days. . . . . . . Waning Crescent
End of 29.53 days . . . Next New Moon