Functions and operators : DIFF_DAY( )

DIFF_DAY( )

Calculates the number of days between two date values.

Syntax

DIFF_DAY(date1, date2)

Arguments

date1

The first date or date expression to use in the calculation.

date2

The second date or date expression to use in the calculation.

Returns

The number of days between date1 and date2.

Example

The following example calculates the number of days between each value in the invoiceDate data field and each value in the paymentDate data field. The results show how long it takes to pay invoices.

DIFF_DAY([invoiceDate],[paymentDate])

The following example calculates the number of days from an order date to Christmas.

DIFF_DAY([orderDate], "12/25/08")

The following example calculates the number of days from the current date to Christmas. TODAY( ) is a function that returns the current date.

DIFF_DAY(TODAY(), "12/25/08")