DateDiff Function

Returns the number of date or time intervals between two given date values.

Syntax:


DateDiff (interval As String, date1 As Date, date2 As Date [, firstDayOfWeek As Integer [, firstWeekOfYear As Integer]]) As Double

Atgrieztā vērtība:

Skaitlis.

Parameters:

interval - A string expression from the following table, specifying the date or time interval.

interval (string value)

Paskaidrojums

gggg

Gads

q

Ceturksnis

m

Mēnesis

y

Gada diena

w

Nedēļas diena

nn

Gada nedēļa

d

Diena

h

Stunda

n

Minūte

s

Sekunde


date1, date2 - The two date values to be compared.

Date literals allow to specify unambiguous date variables that are independent from the current language. Literals are enclosed between hash signs #. Possible formats are:

firstdayofweek: An optional parameter that specifies the starting day of a week.

firstdayofweek value

Paskaidrojums

0

Lietot sistēmas noklusējuma vērtību

1

Svētdiena (noklusējuma)

2

Pirmdiena

3

Otrdiena

4

Trešdiena

5

Ceturtdiena

6

Piektdiena

7

Sestdiena


firstweekofyear: An optional parameter that specifies the starting week of a year.

firstweekofyear value

Paskaidrojums

0

Lietot sistēmas noklusējuma vērtību

1

Week 1 is the week with January, 1st (default)

2

Week 1 is the first week containing four or more days of that year

3

Week 1 is the first week containing only days of the new year


Example:


Sub example_datediff
    MsgBox DateDiff("d", #1/1/2005#, #2005-12-31#)
End Sub

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