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 …

2 days ago · Our Julian date calculator shows you the current day of year (ordinal date), Julian Day Number (JDN), and Modified Julian Date (MJD) in real-time. This tool is essential for …

A Julian calendar converter translates a Gregorian calendar date (like today's date) into a Julian day today, a continuous count of days since a specific historical 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). Almost 2.5 million days have...

2 days ago · Today's Julian Date is 26013 . We refer to a yyddd date format (yy = year, ddd=day) as a 'Julian Date' - this is the common term for such a date in mainframe and other circles. …

Jan 23, 2025 · The "Julian Date Today" converter is a handy online tool designed to help users quickly and accurately convert Gregorian calendar dates to Julian dates and, of course, vice …

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.

On this page is a Julian Day calculator. Quickly figure out today's Julian Day count - or the count of any other day you can imagine.

3 days ago · Check today's Julian date for precise timekeeping and historical data.

4 days ago · Convert any calendar date to Julian date with this instant calculator.