Converting between Julian and Gregorian Calendar in One Step
Stephen P. Morse, San Francisco


Year     Month     Day
        Julian date
        Gregorian date
 
  .
 
 
New Year's Day       Specify when Julian year started
e.g., in Britian and US, Julian year started on March 1


Civil calendar in use today is the Gregorian one
Different countries switched from the Julian Calendar to the Gregorian Calendar at different times

  Country     Last Julian Date     First Gregorian Date  
Country switchover dates presented here come from
searchforancestors.com.
unina.it

© Stephen P. Morse, 2011