Date.IsInPreviousNDays

Date.IsInPreviousNDays is a Power Query M function that indicates whether the given date(time) value occurs during the previous number of days, as determined by the system. The function returns a boolean value (true or false).

Compatible with: Power BI Service Power BI Desktop Excel Microsoft 365

Syntax

Date.IsInPreviousNDays(
   dateTime as any,
   days as number,
) as nullable logical

Description

Indicates whether the given datetime value dateTime occurs during the previous number of days, as determined by the current date and time on the system. Note that this function will return false when passed a value that occurs within the current day.

• dateTime: A date, datetime, or datetimezone value to be evaluated.
• days: The number of days.

Examples

Determine if the day before the current system time is in the previous two days.

// Output: true
Date.IsInPreviousNDays( Date.AddDays( DateTime.FixedLocalNow(), -1 ), 2 )

Related functions

Other functions related to Date.IsInPreviousNDays are:

• Date.IsInPreviousNMonths
• Date.IsInPreviousNQuarters
• Date.IsInPreviousNWeeks
• Date.IsInPreviousNYears

Last update: August 25, 2023 | Contribute » | Contributors: Rick de Groot
Microsoft documentation: https://learn.microsoft.com/en-us/powerquery-m/date-isinpreviousndays
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