Julian Calendar Calculator 2024. With this date, all known historical astronomical observations have. A julian date converter is a tool used to convert a given gregorian calendar date (the standard calendar most of the world uses today) into julian date format.

The calculator below transforms the date from the gregorian calendar to julian and vice versa. This calculator provides an easy way to convert between regular dates and julian days, offering both julian day (jd) and modified julian day (mjd) for convenience.