Function reference
Convert a DateTime or Date to the equivalent “Microsoft” number of days after the base date 1899-12-30. This number is used by Excel and MS ODBC drivers.
Use his function when querying Date and DateTime columns in TXT/CSV files using SQL.
DateTimeToNumber( string )
| Argument | Description |
| string | The DateTime or Date as literal string to convert into the number of days after the base date 1899-12-30 |
Data type: Decimal
Returns a number of type Decimal
Example 1
This expression returns 43197.47802083
DateTimeToNumber( ’2018-04-07 11:28:21’)
Example 2
This expression returns 43197
DateTimeToNumber( ’2018-04-07’)
Last modified:
23 May 2021
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