startofweek()

Returns the start of the week containing the date, shifted by an offset, if provided.

Start of the week is considered to be a Sunday.

Syntax

startofweek(date [,offset])

Arguments

• date: The input date.
• offset: An optional number of offset weeks from the input date (integer, default - 0).

Returns

A datetime representing the start of the week for the given date value, with the offset, if specified.

Example

  range offset from -1 to 1 step 1
 | project weekStart = startofweek(datetime(2017-01-01 10:10:17), offset) 

weekStart
2016-12-25 00:00:00.0000000
2017-01-01 00:00:00.0000000
2017-01-08 00:00:00.0000000