Feb 2025 Julian Date Calendar Excel. The right, left and date functions. =date(if(0+(left(a1,2))<30,2000,1900)+left(a1,2),1,right(a1,3)) if the year digits of.

For a julian date in the format ‘yyyyddd’, i’d use. 22164) while a calendar date is a date that is represented in months, days and years (e.g.