I’ll explain how Ekasan Varshitap days will fall starting from 11 March 2026, and give you a clear pattern so you can mark the whole year easily in any calendar.

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1. Basic pattern of Ekasan Varshitap

For standard Varshitap (Śvetāmbara practice): ( jainknowledge.com)

• You fast completely one day (no food, usually no water or only as per your niyam).
• The next day you eat once (ekasan) in one sitting, in daylight only.
• This alternates for about 1 year (13 lunar months + 13 days in full traditional count, but many people follow up to Akshaya Tritiya of the next year as per their guru). ( jainknowledge.com)

Since you asked “Ekasan Varshitap” starting from 11 March 2026, I’ll assume:

• 11 March 2026 = first Ekasan day (one meal in one sitting).
• Then fast on 12 March, ekasan on 13 March, fast on 14 March, ekasan on 15 March, and so on, in strict alternation.

If your guru has told a different pattern (e.g., 11 March as first upavās day), then simply shift by one day.

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2. Monthly pattern starting 11 March 2026

March 2026 (from your start date)

If 11 March 2026 = Ekasan, then in March your Ekasan days will be:

11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31 March 2026 (All other days of March are upavās days.)

How it continues month by month

Because it is strict “every second day”, the pattern of dates in each month is:

• If the last Ekasan of a month is on day 31, the next month starts with Ekasan on 2.
• If the last Ekasan of a month is on day 29 or 30, the next month’s first Ekasan shifts accordingly.

Starting from your case (11 March as first Ekasan), the pattern for the next few months of 2026 is:

April 2026

Last Ekasan in March = 31 March Next Ekasan = 2 April

So April 2026 Ekasan days: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30

May 2026

Last Ekasan in April = 30 April Next Ekasan = 2 May? No – because April has 30 days:

• 30 April (Ekasan)
• 1 May (fast)
• 2 May (Ekasan)

So May 2026 Ekasan days: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30

June 2026

May has 31 days; last Ekasan is 30 May:

• 30 May (Ekasan)
• 31 May (fast)
• 1 June (Ekasan)

So June 2026 Ekasan days: 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29

July 2026

June has 30 days; last Ekasan is 29 June:

• 29 June (Ekasan)
• 30 June (fast)
• 1 July (Ekasan)

So July 2026 Ekasan days: 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31

You can continue this same logic month by month until the end point given by your guru (often Akshaya Tritiya 2027, depending on your Panchāng and start-tithi).

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3. How to complete the full year easily

To avoid mistakes when listing all 12–13 months by hand:

1. Take any yearly calendar (paper or digital).
2. Mark 11 March 2026 as Ekasan.
3. Then skip one day, mark the next as Ekasan, continuing all the way forward.
4. All unmarked days between are upavās days.

This way you get a personal Ekasan–Upavās calendar tailored exactly from 11 March 2026 until your planned Parṇā day.

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4. Important Jain dharmic points during Ekasan Varshitap

Summarizing key rules from Jain practice about ekasan: ( jainknowledge.com)

• One meal only, in one sitting, at one place, before sunset.
• Take pachchakkhan/pratyākhyān for Ekasan in the morning (or at least before the meal, before sunset).
• Eat very simply, without attachment, observing ahimsā, satya, brahmacharya, aparigraha as much as possible.
• Follow your sect’s detailed rules (Śvetāmbara / Digambara) and especially the guidance of your guru.

You can read more about Varshitap and Ekasan here