Online Conversion - Julian Date Converter

Welcome to Julian Date convertor!

Julian Date Converter
Convert from calendar date and time to Julian date, and vice versa.

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Enter either a Calendar date, or a Julian date and click Calculate.

CE BCE			Universal Time
year	month	day	hr	min	sec


Julian date			weekday


Calendar date to Julian date Julian date to Calendar date

This calculator is a modified version from the U.S. Naval Observatory.