This travelling calendar carriage clock dates to 1747–1823. Why would such a clock need to have both lunar and sun time represented on it?
https://www.youtube.com/embed/yXTQQsA3hN0
"It represents a particular moment of history when clockmakers have managed to make a glorious object that could reliably tell us the time"
Silver-gilt Carriage Clock
Abraham-Louis Breguet
Paris
1810
WA1949.134
