Wndsn Universal Moon Clock (eqM) Acrylic

Wndsn Universal Moon Clock (eqM) Acrylic

Regular price €15.00 Sale

International shipping available (see our shipping rates and crisis info).

A visual aid in determining Moon phase, a simple equatorium predicting cardinal direction, and approximate average time (in unequal hours) from observed lunar shape and altitude; using the front side for the northern hemisphere and the mirrored reverse side for the southern hemisphere. Made in Germany.

This is a teaching tool showing ideal (equinox) conditions; the directions and times throughout the rest of the year have to be extrapolated.

You receive:

  1. Wndsn Moon Clock, transparent acrylic (front side for northern hemisphere, back side (mirrored) for southern hemisphere)
  2. Custom-made carton sleeve
  3. Printed 16-page pocketbook (in English and German)

[Note: Due to the manual production process, variations in finish occur. Acrylic surfaces are polished, with non-rounded edges. The tools are not meant to be conventionally pretty.]


  • 3.4" x 2.2" (8.5 x 5.5 cm)
  • 1/8" (3 mm) clear cast acrylic with laser-cut scales
  • Optional Wndsn Lunar Eclipse embroidered patch with glow-in-the-dark features