The Julian date format is a five digit number broken into two parts: a two-digit representation of the year followed by a three-digit representation of the day of the year.For example, January 1st, 1999 is 99001 in Julian format.
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"Julian date format" refers to a format where the year value of a date is combined with the "ordinal day for that year" (i.e. For example, for the date January 21, 2017, you might see: This formula builds the final result in 2 parts, joined by concatenation with the ampersand (&) operator.
Many applications (especially mainframe systems) store dates in the Julian format, which is a 5 digit number, consisting of a 2 digit year and a 3 digit day-of-year number.
For example, 24-August-1999 is stored as 99236, since 24-August is the 236th day of the year.
For example, January 1, 2007 is represented as 2007001 and December 31, 2007 is represented as 2007365.
Note that this format is not based on the Julian calendar. For example, suppose we have two Julian dates, in A1 and A2. If you want your result to be a Julian date, then use the following formula, which is just our first formula to convert standard dates to Julian dates, with the formula above inserted into it wherever we need the date.A Julian date is sometimes used to refer to a date format that is a combination of the current year and the number of days since the beginning of the year.If the year digits of the Julian date are greater than or equal to 30 (i.e., 30 to 99), the date is assumed to be a 1900 century year.This formula works by taking advantage of the fact that the These Julian dates must have the leading zero or zeros for years between 20.Because dates are just serial numbers, this will give us the "nth" day of year.