3630007 - How to raise a warning or error when a timesheet entry crosses into the next day

You wish to alert or block users from making time entries for certain time types that cross midnight

"Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental."   

• SF employee time sheet
• Time Tracking

You can use the 'Filter Segments from Input Groups' valuation where you trigger a warning or error if an employee saves an  time type that ends beyond the midnight cutoff.
This can be accomplished by setting the next day flag in the time segment filter which allows the system to check if something runs into the next day.
A sample valuation that does this can be found below

https://community.sap.com/t5/human-capital-management-blog-posts-by-sap/how-to-setup-time-evaluation-in-time-tracking/ba-p/13545654

time valuation, tracking, segment , KBA , LOD-SF-EC-TMS , Time Sheet , LOD-SF-TTR-TMS , Time Sheet , Problem

SAP SuccessFactors Employee Central all versions ; SAP SuccessFactors Time Tracking all versions