The sun dial worked during daylight, but how did people agree on what time it was at night before clocks were invented?

you are viewing a single comment's thread
view the rest of the comments
[–] 4 points 2 years ago* (last edited 2 years ago) (2 children)

What if I needed to coordinate a nocturnal scheme??!!

  • source
  • parent
  • hideshow 4 child comments