2 days ago · Use this tool to convert between date and Julian (yyddd) date formats. Enter a valid date or Julian date, and click 'Convert'. To see an example, click 'Show Example'. Enter dates in the form …

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 manage dates based …

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 number of …

This application deals with only two: the Gregorian calendar, now used universally for civil purposes, and the Julian calendar, its predecessor in the western world.

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.

Easily convert calendar dates to Julian format or back — fast, free, and online. Choose a standard date or input a Julian number to start the conversion. The tool instantly converts your date to Julian or …

CalendarLabs makes determining the Julian and Gregorian dates for today or any date a breeze. Here is how you can do it. Enter the Gregorian date, hours, and minutes and click ‘Calculate,’ the tool will …

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.

Jan 1, 2000 · Enter a calendar date as year - month - day (e.g., 2000-01-01) with an optional time separated from the date with either a space or underbar _ (e.g., 2000-01-01 12:00).

Dec 13, 2025 · Get today’s Julian date (UTC) and convert any calendar date/time to JD, JDN, MJD and day-of-year (YYDDD). Instant results, reverse conversion, copy buttons.