Relative date slicer is including today only for external users

jwest11 

The time on the Power bi service will be related to UTC. When the user uses the Power bi service to view this report, the time on the report will be displayed according to the UTC time zone the user is in.

For example:

When your time zone is 6 hours behind the standard time and your current time is 7 pm, then the standard time is 1 am the next day, Today() will return the data of the next day,

This is a link to related content, hope it will help you:

https://radacad.com/solving-dax-time-zone-issue-in-power-bi

https://www.linkedin.com/pulse/power-bi-service-time-differences-how-fix-aaron-watsky

Best Regards,

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