Returns a number that represents the date in the date-time code.
| Name | Type | Description |
| arg1 | number | A number from 1900 or 1904 (depending on the workbook's date system) to 9999. |
| arg2 | number | A number from 1 to 12 representing the month of the year. |
| arg3 | number | A number from 1 to 31 representing the day of the month. |