When you use Microsoft Excel to store and analyze business data, your workbooks and worksheets often contain date information. Although your original data may need to display full month, day and ...

The Julian date format ... of the day of the year. For example, January 1st, 1999 is 99001 in Julian format. Many older applications store dates like this, and while Excel doesn't recognize ...

Every date (month, day, year) and time (hour ... Next, enter the following formula in column C to convert Excel’s serial-number dates to Julian dates: =RIGHT(YEAR(B1),2)& B1-DATE(YEAR(B1 ...

How to convert a birth date to ... NOW()) where dob is the date of birth. Excel’s YEARFRAC() function calculates the fraction of the year represented by the number of whole days between two ...