D'ni clock
From MYSTlore
Several cavern neighborhoods feature a large D'ni clock located in the courtyard outside the classroom.
The clock mechanism is a slowly rotating globe mounted on a tall display stand. The globe has D'ni numbers around its equator. A rough approximation of the current D'ni hour is displayed through a magnifying glass mounted in front of the globe.
Interested explorers can read about the D'ni clock and D'ni timekeeping by visiting the nearby classroom and reading the material located on the desk.
[edit] Relto Clock
Spoiler warning: the following contains details about puzzles, plot, or similar. If you're not familiar with them already, continuing to read may affect your experience.
A Relto page in Ahnonay adds a similar clock atop one of the rock islands in Relto.

