Adhi Vesak Full Moon Poya Day (Provisional) Dates. When is Adhi Vesak Full Moon Poya Day (Provisional) in Sri Lanka?
Provisional designation:1 May 2026 is expressly a public Poya holiday in the official calendar, originally called Vesak. The later official State Vesak programme centers on 30 May; the existing Adhi Vesak name is retained pending the original revised naming instrument. The date and public-holiday family are supported; exact revised title is not newly certified. The table below lists available dates for Adhi Vesak Full Moon Poya Day (Provisional) in Sri Lanka. Dates awaiting confirmation are marked provisional.
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| Year | Day of the Week | Date | Name |
|---|---|---|---|
| 2026 | Friday | May 1 | Adhi Vesak Full Moon Poya Day (Provisional) |
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