Using sample data, set up ArcGIS Pro 3.1.2 map as follows:
Layer - Record Count 573
Table - Record Count 16720
Date Span of data 1/1/2023 - 12/31/2023
Set Time Slider settings as:
Have the time slider show data including January 2023 shows:
Layer - Record Count 288 of 573
Table - Record Count 9885 of 16720
Hope this helps!
Ayan Palit | Principal Consultant Esri