Chronology ; or, The art of reckoning time. : Describing the several divisions of time in common use, the nature and original cycles and periods, and the most remarkable area's : and the manner of computing the numbers of such cycles, or the common notes, for any year ; the moveable feasts ; and the places of the sun and the moon ; and the nature of the calendar. Founded upon astronomical principles. To which is added a short chronological table.