How many years till calendar repeats?

Answer 1

Common years usually repeat after 6 or 11 years and leap years usually repeat after 28 years, except between most centuries. However, the calendar completely repeats every 400 years.

Answer 2

Regular years usually repeat after 5, 6 or 11 years, and leap years usually repeat after 28 years, except between most centuries. However, the calendar completely repeats every 400 years.