Answer

In Jain tradition, Bhadarvo / Bhadrapad month ends on Aso Vad Amas, which is the Amavasya at the end of the Bhadrapad month.

If you are asking about a specific calendar year, the English date changes every year, so please tell me the year and your location/tradition, such as:

• Shwetambar or Digambar
• Gujarati Jain calendar or another regional calendar
• Country/city, because tithi timing can vary

Explanation

In the Jain Gujarati calendar:

• Bhadarvo Sud begins after Shravan Vad Amas
• Paryushan falls in Bhadarvo
• Bhadarvo month ends with Bhadarvo Vad Amas
• The next month begins as Aso Sud Ekam

Takeaway

The month of Bhadarvo ends on Bhadarvo Vad Amas, but the English calendar date depends on the year and location.