How to Set a Moonphase Watch

Moonphase watches are not just timekeeping devices; they are intricate pieces of craftsmanship that display the lunar phases, adding a touch of elegance and functionality to your wrist. While they may seem complex at first glance, understanding how to read and set a moonphase watch is simpler than you might think.

Understanding the Lunar Cycle


Before diving into how to read and set your moonphase watch, it's helpful to understand the lunar cycle. The lunar cycle encompasses the various phases of the moon as it orbits the Earth. These phases include new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, last quarter, and waning crescent.

How to Set a Moonphase Watch:

  1. Consult a Lunar Calendar: To set your moonphase watch accurately, you'll need to reference a lunar calendar to determine the current phase of the moon. You can find lunar calendars online, such as this one.

  1. Adjust the Watch: Using the watch's crown or buttons (depending on the model), advance the moonphase indicator to match the phase indicated on the lunar calendar. Take care to move the indicator in the correct direction to align it accurately.

  1. Fine-Tuning: Moonphase watches are precise instruments, but slight adjustments may be necessary over time to account for the actual lunar cycle. Periodically check the phase of the moon using a lunar calendar and make any necessary corrections to keep your watch in sync.

How to Read a Moonphase Watch:


  1. Locate the Moonphase Subdial: Most moonphase watches feature a small subdial on the watch face dedicated to displaying the current phase of the moon.

  1. Identify the Moonphase Indicator: Within the subdial, you'll find a depiction of the moon. This indicator moves across the subdial to reflect the current phase of the moon.

  1. Interpret the Position: Depending on the design of your watch, the moonphase indicator will move either clockwise or counterclockwise to represent the progression of the lunar cycle. Align the position of the indicator with the corresponding phase of the moon to determine its current state.

Reading and setting a moonphase watch adds a delightful dimension to timekeeping, allowing you to stay connected with the celestial rhythms of the universe. With a basic understanding of the lunar cycle and the mechanics of your watch, you can enjoy the beauty and functionality of this timeless complication.