Varshitap in 2026 starts on Chaitra Shukla Ashtami according to the Jain (lunar) calendar.

In the Gregorian calendar, Chaitra Shukla Ashtami in 2026 falls on Thursday, 26 March 2026. So, you should begin Varshitap on 26 March 2026 (subject to minor regional differences in Panchang).

For confirmation according to your gacch/sect and local sunrise timings, please check a reliable Jain Panchang for your city or consult your local Guru Bhagwant / Pathshala.

You can also see a related explanation here