Emerald Alexandria

A view of the Earth, Sun, and Moon and their relative positions.

Emerald Alexandria shows a geocentric representation of the positions of the Sun and the Moon relative to the Earth along with an analog watch face.

The Earth is shown from a co-rotating perspective above the north or south pole with the watch's current longitude at the top.

The Sun hand indicates the current position of the Sun relative to the Earth's surface.

The Moon is shown at the appropriate angle and with its terminator in the right orientation.

No network access is needed; only your device location and the time are used for all calculations.

More information is available at the website listed here.