The pure lunar calendar has twelve synodic months. Many early societies adopted this as a unit of time, enabling them to plan and reflect more effectively.
Track the daily positions of the moon with the 2017 Phases of the Moon: Filson Lunar Calendar.
Click the button below to print your own.
"The tide is long gone. In a few hours the moon will dip below the western horizon, and just as the last of it disappears, the sun will rise in the opposite direction. During the days of full moon, the sun and moon are aligned but on opposite sides of the earth; during new moon, they are al...