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excel date equations. Explanation In Excel the date is stored as number. For example to find the serial number for the date taking the values in cells A2 A3 and A4 as the year month and day arguments respectively the formula is.
So we can see that using the date ranges in the first two rows as a template Excel automatically creates date ranges for the subsequent rows. How to subtract years from date. You can also just refer to a cell that contains a date value or by using the formula EDATEA1-5for the same result.
For example you can use the DATE function to create the dates January 1 1999 and June 1 2010 like this.
The DATEDIF formula takes two date cells and calculates the days between them. DATE YEAR TODAY MONTH TODAY 1 - returns the first day of the current year and month. Added 5 to years YEARA25. Ensure the starting date is properly formatted go to Format Cells press Ctrl 1 and make sure the number is set to Date.