7.1956 can be converted to serial date numbers. A serial date number is an integer number indicating the number of days since 01.01.1801. These serial date numbers can be used for comparison, sorting, arithmetic operations and statistical analysis. A serial date number can be back-transformed to a date string using the DATE function. See elsewhere on how to enter dates.
Date can either be a serial date number or a date string.
Date can either be a serial date number or a date string. Note that the value of this function is not fixed, so if you use this function in a file and you reload this file the next day, the function will return the new date. Date can either be a serial date number or a date string. Date can either be a serial date number or a date string.