Of course, it isn't hard to convert.
Location is all important in calendar conversions.
For England and the American colonies. I have a very reliable date of the 3rd of September 1752. Some other important points to remember in calender correction that the day of the week does not change. There is also no Feb 29 in the Julian Calendar leapday was Feb 24 which was 48 hours long. This day was known as the sextile, which is why some people refer to leap years as bi-sextile.