Convert a Julian date without guessing the convention

November 4, 2026

Gregorian calendar date

Julian Date

2461348.5

Modified Julian Date

61348

Julian calendar

October 22, 2026

Time UT

00:00

JD begins at noon UT; a calendar-date input means midnight. Astronomical year 0 is 1 BCE. MJD = JD − 2,400,000.5.