Julian Calendar 2024 Today'S Date And Time. 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). Julian dates (abbreviated jd) are simply a continuous count of days and fractions since noon universal time on january 1, 4713 bc (on the julian calendar).

Convert any calendar date to julian date with this instant calculator. Use this tool to convert a specified calendar date/time to an equivalent julian day (jd) number.