Julian Calendar For 2024. 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). Mjd calendar or gps calendar or calendar with.

The calculator converts a gregorian date to a julian date 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).