<P> The time interval between similar lunar phases -- the synodic month -- averages about 29.53 days . Therefore , in those lunar calendars in which each month begins on the new moon , the full moon falls on either the 14th or 15th of the lunar month . Because calendar months have a whole number of days , lunar months may be either 29 or 30 days long . </P>
<P> The time interval between similar lunar phases -- the synodic month -- averages about 29.53 days . Therefore , in those lunar calendars in which each month begins on the new moon , the full moon falls on either the 14th or 15th of the lunar month . Because calendar months have a whole number of days , lunar months may be either 29 or 30 days long . </P>
how many days from full moon to full moon
how many days from full moon to full moon
averages about 29.53 days
averages about 29.53 days