Translation

shadow clock / sun clock

Meaning

A device that tells time by the position of the sun's shadow, typically consisting of a gnomon casting a shadow on a marked surface.

Examples

• The garden featured a beautiful stone sundial that had been in the family for generations.
  庭には、何世代にもわたって家族に受け継がれてきた美しい石造りの日時計がありました。
• Before clocks were invented, people relied on sundials to keep track of the hours.
  時計が発明される前、人々は時間を把握するために日時計を頼りにしていました。