Bhikkhunī Sangha Lunar Calendar | Dhammadharini
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BhikkhunÄ« Sangha 
Lunar Calendar Commemorative Dates

Lunar Leap Year  2026-2027 Common Era  | 2569-2570 Buddhist Era

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The calendar shows important days throughout the year for commemorating the Bhikkhuni Sangha and great Bhikkhuni foremothers, with the intention of bringing these dates into greater awareness and celebration. The calendar represents countless hours of research and effort, and is based on the historical research of Tathālokā TherÄ«, with calendar design and artwork by Thāvirā BhikkhunÄ«. 

 

Please note, this is a lunar calendar, so while these dates will be consistent on the South & Southeast Asian Lunar Calendar widely used by Buddhists in these regions year after year, they will change on the western Gregorian calendar, just as with Vesak, Vassa, and other annual Buddhist holidays and commemorative dates which also follow the lunar calendar.

 

We plan to update the calendar for future years, and release around the time of the Astro-Solar New Year (mid-April). ā€‹

This work is licensed under CC BY-NC 4.0. 

Calendar Poster

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We currently have a limited number of printed 16x20 posters of the calendar, please contact us if you would like to receive one.

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This year, the printing & mailing of these posters has been made possible by a generous donor. 

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We welcome support for future printings of the calendar!

Principle Dates:

September 25-26, 2026 

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International Bhikkhunī Day & Fourfold Sangha Day: Bhikkhunī Sangha Founding Anniversary

December 22-23, 2026

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February 27-28, 2027

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Dates in Full

—Mid-April: Astro-Solar New Year—
June through November 2026: 
Foundations of the Bhikkhunī Sangha
June 2026

Jun 28-29

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Arrival of Mahinda Thero & Company to Sri Lanka, Jeṭṭha Puṇṇamī Poson Poya Full Moon Day

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Jun 29-30

Anulā & 500 Parivāra Stream Entry & Stream Winning Days
July 2026
September 2026

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Sep 25-26

BhikkhunÄ« Sangha Founding Anniversary / International BhikkhunÄ« Day / Fourfold Sangha Day. Bhāddapada/PotĢ£tĢ£hapāda PunĢ£nĢ£amÄ« (Bhadrapad Purnima) Binara Poya Full Moon Day 
October 2026

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Oct 2-3

MahāpajāpatÄ« GotamÄ« TherÄ« Arahatship Day Assayuja-māsaṁ KanĢ£ha Pakkha AtĢ£tĢ£hamÄ« Waning Half Moon Uposatha

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Oct 17-18

Sanghamittā TherÄ«’s Parinibbāna Day Assayuja-māsaṁ Sukka Pakkha AtĢ£tĢ£hamÄ« Waxing Half Moon Uposatha
*Note: this date is also Mahā Mahinda Thero’s Parinibbāna Day.
* Both Sanghamittā TherÄ«’s & Mahinda Thero’s Cremation Day is one week later
November 2026

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Nov 1-2

Uppalavannā TherÄ«’s Great Miracle, Kattika-māsaṁ KanĢ£ha Pakkha AtĢ£tĢ£hamÄ« Waning Half Moon Uposatha
October 2026 through January 2027:
Sanghamittā Therī & the Jāyasrī Mahā Bodhi Tree Story Cycle
December 2026

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Dec 22-23

Lunar Sanghamitta Day Maggasira Puṇṇamī (Margashirsha Purnima) Unduvap Poya Full Moon Day
January 2026

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Jan 6-7

February through March 2027:
Founding BhikkhunÄ« Sangha’s Parinibbānas
February 2027

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Feb 21-28

Mahāpajāpatī Gotamī Therī's Final 7-day teaching
Beginning Māgha Puṇṇamī (Māgha Purnima) Magha Puja Sangha Day/Navam Poya Full Moon Uposatha

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Feb 27-28

Mahāpajāpatī Gotamī Therī & Founding Bhikkhunī Sangha Parinibbana Day
Phagguṇa-māsaṁ KanĢ£ha Pakkha AtĢ£tĢ£hamÄ« Waning Half Moon Uposatha

* Note this half moon is also Mahā Moggallana Thero’s Arahatship Day; Sāriputta Thero’s Arahatship Day is one week later on the PhaggunĢ£a-māsaṁ AmāvasÄ« Dark Moon Uposatha 
March 2027

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Mar 21-22

Rāhulamātā Bimbā Yasodharā (Bhaddā Kaccānā) Therī Parinibbāna Day
Phagguṇa PunnamÄ« (Phālguna Purnima) Medin Poya Day Full Moon: Celebrating the Buddha's First Return to Kapilavastu 

*Note this is also MahāpajāpatÄ« GotamÄ« & Suddhodana Rāja’s Stream Entry Day
*Note the following day is Rāhulamātā Bimbā Yasodharā (Bhaddā Kaccānā) TherÄ«’s Stream Entry Day
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