Julian Calendar 2025 Today'S Date Range

Julian Calendar 2025 Today'S Date Range. Julian dates (abbreviated jd) are simply a contiguous count of days and fractions since noon universal time on 1st january, 4713 bce (on the julian calendar). Convert the calendar date to julian date and vice versa.

Enter either a calendar date, or a julian date and click calculate. The calculator below transforms the date from the gregorian calendar to julian and vice versa.