New York is going to tax you all year unless your employer established an office in PA and told you to work there.
See this:
https://www.hodgsonruss.com/assets/htmldocuments/Telecommuting_5.22.20.pdf
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
