[muawiyah]

BTW, in the period when the machine was built the Romans (and their satrapies) did not yet use a leap year in their calender, and unless you account for the 1/4 year drift each year you end up with your calendar out of synch. The machine accounted for that 1/4 year problem.

[Windflier]

BTW, in the period when the machine was built the Romans (and their satrapies) did not yet use a leap year in their calender, and unless you account for the 1/4 year drift each year you end up with your calendar out of synch.

See post 90. The ancients were fully aware of that "drift", and had several methods of compensating for it.