> That must have been fun for the Romans here in Scotland - an hour would be roughly two and a half time as long in winter as in summer! Mechanical clocks in J

> That must have been fun for the Romans here in Scotland - an hour would be roughly two and a half time as long in winter as in summer! Mechanical clocks in Japan were designed to handle those situations: > Adapting the European clock designs to the needs of Japanese traditional timekeeping presented a challenge to Japanese clockmakers. Japanese traditional timekeeping practices required the use of unequal time units: six daytime units from local sunrise to local sunset, and six night-time units from sunset to sunrise. * https://en.wikipedia.org/wiki/Japanese_clock#Temporal_hours https://en.wikipedia.org/wiki/Japanese_clock#Temporal_hours