Excel WORKDAY.INTL Function

Excel WORKDAY.INTL Function


The Excel WORKDAY.INTL function takes a date and returns the nearest working in the future or past, based on an offset value you provide. Unlike the WORKDAY function, WORKDAY.INTL allows you to customize which days are considered weekends (non-working days). You can use WORKDAY.INTL function to calculate completion dates, ship dates, etc. that take into account non-working days.


Get date n working days in future or past

Return value 

Next or previous working date based on inputs


=WORKDAY.INTL (start_date, days, [weekend], [holidays])


  • start_date – The start date.
  • days – The end date.
  • weekend – [optional] Setting for which days of the week should be considered weekends.
  • holidays – [optional] A list of one or more dates that should be considered non-work days.

Usage notes 

WORKDAY.INTL figures out a date that represents the “nearest” working day N days in the past or future. Use a positive number as days for future dates and a negative number for past dates. This function is more robust than the WORKDAY function because it lets you customize which days of the week are considered weekends.


By default, WORKDAY.INTL will exclude weekends (Saturday and Sunday) . However, you can control which days are considered weekends, by supplying the codes that appear in the table below for the weekend argument.


WORKDAY.INTL can also optionally take into account holidays. For the holidays argument, supply a range that contains holiday dates. These dates are treated as non-working days and will not be included in the result.

Weekend settings

Code Weekend days
1 (default) Saturday, Sunday
2 Sunday, Monday
3 Monday, Tuesday
4 Tuesday, Wednesday
5 Wednesday, Thursday
6 Thursday, Friday
7 Friday, Saturday
11 Sunday only
12 Monday only
13 Tuesday only
14 Wednesday only
15 Thursday only
16 Friday only
17 Saturday only


  • If start_date is invalid, WORKDAY.INTL returns the #NUM! error.
  • If start_date + day is invalid, WORKDAY.INTL returns the #NUM! error.
  • If any holiday is invalid, WORKDAY.INTL returns the #NUM! error.
  • If weekend is invalid, WORKDAY.INTL returns the #VALUE! error.

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