For Varshitap, there are two parts to your question:

1. 2026 dates (calendar)
2. Day‑wise what to do in the tap

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1. Varshitap dates in 2026

According to Jain Panchang references (as summarized on JainKnowledge):

• Parna (end of Varshitap) in 2026

- Date: Monday, 20 April 2026 - Tithi: Vaishakh Shukla 3 (Akshay Tritiya) - Traditional rule: Varshitap ends on Vaishakh Shukla Tritiya. You can see this explained here

• Traditional rule for start (as given on JainKnowledge):

- Starts: Chaitra Shukla Ashtami (8) Exact English date for Chaitra Shukla 8 in your region can slightly change depending on: - Which Panchang you follow (Digambar / Shvetambar, regional variation) - Your country/time zone

Because of these differences, for a fully correct day‑wise English date list for 2026, you must take:

• The rule: Chaitra Shukla 8 → Vaishakh Shukla 3
• And then ask your local Jain Panchang / temple / guru to mark each tithi to English date for your city.

Online answer (including mine) cannot safely replace a proper live Panchang.

You can read the rule about 2026 start/end here

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2. Day‑wise pattern: what to do in Varshitap

Below is the standard simple pattern many do (always follow your Guru’s exact niyams):

General niyam for whole Varshitap

• Diksha / Pachchakkhan from Guru / Pandit or in front of Dev–Shastra–Guru.
• Strict ahimsa, satya, brahmacharya, aparigraha.
• No green/raw vegetables where insects are possible, no root vegetables, no eating after sunset, etc.
• Daily Samayik, Pratikraman, Swadhyaya, Puja / Stavan, Prarthana as per capacity.

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Basic day‑wise cycle (alternate‑day Varshitap)

Varshitap usually means one day Upvas, next day Behan (food day), repeated till Parna.

Day 1 – Upvas Day

Typical niyam (confirm with your tradition):

• No food for full day
• Many do:

- Only boiled water in fixed time (e.g., sunrise to sunset only) - Some do nirjal (no water) on some or all upvas days.

• Extra dharmic activities:

- Dev‑Puja, Samayik, Jaap (e.g., “Uvasaggaharam Stotra”, “Bhaktamar”, “Logassa” etc. as per tradition) - Swadhyaya of Tirthankar Charitra, Varshitap mahima, etc.

Day 2 – Behan (Bhojan) Day

Most common simple pattern:

• Only one time food (Ekasana) in the day.
• Some do Ayambil instead of normal ekasana (ask your Guru):

- Tasteless food: no oil, ghee, milk, curd, sugar, jaggery, fruits, dry fruits, green veg; only boiled cereal/pulses with minimal salt & pepper.

• Water:

- Only boiled and cooled water at fixed time.

• No night‑eating, no snacks, no tea/coffee, etc.

Day 3 – again Upvas

Day 4 – again Behan

…and so on:

• Odd days of your Varshitap: Upvas
• Even days: Ekasana / Ayambil (as per your niyam)

You continue this alternate‑day pattern from the start tithi till the last Upvas before Vaishakh Shukla 3.

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Last day (Parna day – Vaishakh Shukla 3, 20 April 2026)

• Previous day is generally Upvas (full fast).
• On Parna morning:

- Do Snan–Puja, Dev‑vandana, Prarthana. - Perform Punya‑Pratyakhyan, Kshama‑yachna. - Take Parna from the person decided in your pachchakkhan: - Often with a very simple item (like warm water, sugar water, or simple khir/food) according to Guru’s instructions.

• Do Daan as per capacity:

- Gochari daan, bhojan to sadhus/sadhvijis (if possible), or to shravaks. - Don’t do any show‑off; keep it bhav‑poorna.

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Why I cannot give exact English date‑wise list

To write:

• “1st day – this English date – Upvas”
• “2nd day – this English date – Ekasana”… till Parna

I would need the exact Panchang your Sangh follows (Digambar/Shvetambar, desh/time‑zone), otherwise some dates will be wrong, and that is not proper for such a serious vrat.

So, to make a correct 2026 Varshitap chart for you:

1. Take your local Jain Panchang 2026.
2. Mark:

- Start: Chaitra Shukla 8 - End (Parna): Vaishakh Shukla 3 (Akshay Tritiya, 20 April 2026)

1. From the start tithi, mark:

- Day 1 – Upvas - Day 2 – Ekasana / Ayambil - Day 3 – Upvas - Day 4 – Ekasana / Ayambil - …continue alternate till Parna.

If you wish to be very strict, prepare a small notebook or calendar with:

• Date + Tithi
• “Upvas / Ekasana / Ayambil”
• Space to tick after completing each day’s niyam.

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If you tell your Sangh (city/country and sampraday) to a local Jain Pandit or Panchang‑karta, they can very easily print an exact day‑wise list of 2026 Varshitap for you.