Poya-Uposatha-Observance Day Calendar for 2019: 
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Month
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January
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February
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March
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April
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May
|
June
|
July
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August
|
September
|
October
|
November
|
December
|
|
Full moon
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20
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19
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20 |
19
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18
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16
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16
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14
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13
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13
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12
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11
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|
New moon
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6
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4 |
6 |
5 |
4 |
3 |
2 |
1 |
14 |
13 |
12 |
12 |
Video on Uposatha Observance:
https://www.youtube.com/watch?v=cUIDQd19OmY
Full Moon Poya Days: Uposatha 8 Rule Observance!
January 20 Duruthu: Buddha first visit to Ceylon at Mahiyangana Stupa, which contains hair & collarbone relics.
February 19 Navam: At this day Buddha ordains Sāriputta and MahāMoggallāna and later decides his Parinibbāna.
March 20 Madin: Buddha visits parents home after Enlightenment, and ordains his son Rāhula, & half brother Nanda.
April 19 Bak: Buddha's second visit to Ceylon, at Nagadipa close to Jaffna in the 5th year after his Enlightenment.
May 18 Vesak: This Sacred Day celebrates the birth, Enlightenment, and passing away of the Blessed Buddha Gotama.
June 16 Poson: Emperor Asoka's son, the Arahat Mahinda, introduces Buddhism to Ceylon in the 3rd century B.C.
July 16 Esala: Buddha preaches 1st Sermon: Dhammacakkappavattana Sutta & performs the famous Twin Miracle.
August 14 Nikini: Bhikkhus who did not enter the yearly rains retreat (Vassa) at Esala Poya, are allowed to enter now.
September 13 Binara: Start of Bhikkhuni Sangha by the ordination of Queen Mahāpajāpatī; the Buddha's foster-mother.
October 13 Vap: Marks the end of the Bhikkhu's three months rains retreat and begins Kathina month of giving robes.
November 12 Il: Celebrates the Buddha Gotama's explanation of the next Buddha Metteyya & Breathing Meditation.
December 11 Unduwap: Arrival in Ceylon of a sapling of the sacred Bodhi-tree, brought by Arahat Theri Sanghamitta.
Keeping the 8 vows on Poya days is the Way to Divine Being at Death!
