Convert calendar date into Julian date and vice versa. Input a date and time or a Julian day number to get corresponding conversion. This Julian's Date Calendar helps to track and …

3 days ago · Enter a valid date or Julian date, and click 'Convert'. To see an example, click 'Show Example'. Enter dates in the form mm/dd/yy, dd-mmm-yyyy, 'today', '+1 day' or similar. Enter …

The Julian calendar tape may be confusing for beginners, but the significance of the Julian date is still enormous. Astronomers and scientific software use the Julian date today to calculate the …

Date calculation and planning made easy with the integrated Julian date converter.

May 6, 2016 · Julian Date Calendar / Calculator Day-of-Year (JDay) The calculator is bi-directional* Make Calendar Select Month / Day / Year and press the "Show_Calendar" button …

Originating from Julian Day Number, the Julian date starts from noon Universal Time (UT) on January 1, 4713 BCE, as established in the Julian calendar. This tool converts between UTC …

Jun 10, 2025 · Convert between Julian dates and calendar dates instantly. Supports multiple formats, timezones, and auto-updates with accurate results and live time display.

Enter either a Calendar date, or a Julian date and click Calculate. This calculator is a modified version from the U.S. Naval Observatory. Convert the calendar date to julian date and vice versa.

Julian dates are widely used as time variables within astronomical software. Typically, a 64-bit floating point (double precision) variable can represent an epoch expressed as a Julian date...

Jul 14, 2025 · Convert between Julian dates and Gregorian calendar dates instantly. Free online calculator for astronomical and historical date conversions.