Converting a string to a date in a cell

excel date-format worksheet-function
Machman picture Machman · Apr 18, 2013 · Viewed 123.5k times · Source

I have 100.000 rows of data in Excel. Some of the fields are dates, but the fields in Excel are as text. I need these fields in number format including both dates AND time (e.g. 21.10.2011 13:10:50). Formatting the cells doesn't work because that doesn't change the datatype. I can pick out the date and time with formulas but not get them in the same cell.

So what I am looking for is the formula to calculate the number representation of a date (the one you see if you format a date as a number).

Answer

David Zemens picture David Zemens · Apr 18, 2013

Have you tried the =DateValue() function?

To include time value, just add the functions together:

=DateValue(A1)+TimeValue(A1)

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