Answer

For New York, Posh Dashmi / Paush Dashami in 2027 falls on:

Sunday, January 31, 2027

This day is observed in Jain tradition as the Janma Kalyanak of Bhagwan Parshvanath, the 23rd Tirthankar.

Note

Jain festival dates can vary by location because they depend on the local tithi timing. For religious observance, please confirm with your local Jain sangh or temple calendar in New York.