default date on slicer

There are a few options.

You can use a relative date slicer. Or use the relative filter in visual, page or report level filters after dragging the date. You can create today and non-today in your calendar and use it

1. Flag = if (Date[Date] = Today(), "Yes","No")

https://community.powerbi.com/t5/Desktop/Default-values-in-date-slicer/m-p/396962

https://community.powerbi.com/t5/Desktop/Setting-default-date-slicer-to-yesterday/m-p/523171

https://community.powerbi.com/t5/Desktop/Date-Slicer-Default-value/m-p/458736

https://community.powerbi.com/t5/Desktop/Set-TODAY-as-default-date-in-slicer-visual/m-p/488670

https://community.powerbi.com/t5/Desktop/Set-TODAY-as-default-date-in-slicer-visual-date-range/m-p/550027

https://docs.microsoft.com/en-us/power-bi/visuals/desktop-slicer-filter-date-range

To get the best of the time intelligence function. Make sure you have a date calendar and it has been marked as the date in model view. Also, join it with the date column of your fact/s.

Refer
https://radacad.com/creating-calendar-table-in-power-bi-using-dax-functions
https://www.archerpoint.com/blog/Posts/creating-date-table-power-bi

https://www.sqlbi.com/articles/creating-a-simple-date-table-in-dax/

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Thanks. My Recent Blogs -Decoding Direct Query - Time Intelligence, Winner Coloring on MAP, HR Analytics, Power BI Working with Non-Standard TimeAnd Comparing Data Across Date Ranges
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Hi,

According to your description, i create a simple sample to test:

Then create a calculated column:

DateSLicer = IF('Table'[Date]=TODAY(),"Current Day",FORMAT('Table'[Date],"Short Date"))

Choose this column as a date slicer, it shows:

You can also select other date to filter the column chart:

Hope this helps.

Best Regards,

Giotto Zhi