In this case the number of days is subtracted from the current date. Discover the top 10 types you can add one month to the start date. Id suggest using the default date format or convert a text-date to a serial number representing the date with DATEVALUE or explicitly specify year month and day with the DATE function.
When you enter a date directly in.
DATE 2015 5 20 - 15 The result of the above formula is May 5 2015 which is May 20 2015 minus 15 days. Excel stores date value in integer number to find out n days after a date add the date and number of days. For instance to generate a sequence of workdays starting on the date in B2 the formula is. The DAYS function was introduced in MS Excel 2013.