How to Set a Moon Phase Watch

By coordinating the day, date, and month with the moon's cycle, modern moon phase watches keep track of the moon's progress throughout the month. To set a moon phase watch, carefully follow a few instructions. These directions are for a Swatch Moon Phase watch, but the steps are similar to those for most lunar watches on the market.

Set the day. Pull the crown--the knob on the right-hand side of the watch--to the outward position. Rotate the hands to between 10 p.m. and midnight. Spin them back again. Set the correct day and time. Push the crown back in.

Set the date and month. Pull the crown out again. Spin the crown clockwise to find the correct date and month. The date and month will appear in the watch face. Push the crown back to the "in" position.

Find out the moon’s position. Read the daily paper or check online to find that night’s moon position or wait until night to check the moon’s position in the sky (if you are familiar with moon phases). Pull the crown knob out. Spin the crown counterclockwise. You have four possible moon phases: new moon, waxing moon, full moon, and waning moon.

Set the moon phase. Pull the crown out. Spin the hands counterclockwise to select the correct image of the moon.

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