What is the full form of JD?

JD stands for Julian Date/Day.

Short Form JD
Full Form Julian Date/Day
Category Academic & Science » Language & Linguistics
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What is JD?

JD stands for Julian Date/Day. It is the number of days since January 1st, 4713 BCE. JD can be used to calculate the date of events that happened before the Gregorian calendar was invented.

JD can be calculated by adding the number of days since January 1st, 4713 BCE to the date in the Gregorian calendar. For example, if an event happened on May 5th, 1659, you would add 1659 + 31 + 28 + 31 + 30 + 31 + 30 + 5 = 2232 to get the JD.

JD can also be used to calculate the date of events that happened after the Gregorian calendar was invented. For example, if an event happened on September 11th, 2001, you would subtract 2001 from the JD to get 52758. Then you would subtract 52758 from 4713 BCE to get -47555. This means that the event happened on September 11th, -47555 in the Julian calendar.