startofday()

Applies to: ✅ Microsoft FabricAzure Data ExplorerAzure MonitorMicrosoft Sentinel

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

Syntax

startofday(date [, offset ])

Learn more about syntax conventions.

Parameters

Name Type Required Description
date datetime ✔️ The date for which to find the start.
offset int The number of days to offset from the input date. The default is 0.

Returns

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

Example

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

Output

dayStart
2016-12-31 00:00:00.0000000
2017-01-01 00:00:00.0000000
2017-01-02 00:00:00.0000000