Shree Kalyan Swami Punyatithi ( Death Anniversary ) Domgaon in Osmanabad is observed on the 13th day during the waxing phase of moon in Ashadha month.
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It is celebrated on the 10th day of the Sukla Paksha of Pausha Masa or waxing phase of moon in Paush month ( December January ) as per traditional Odia calendar.
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The Bengali Hindu community celebrates " Bhoot Chaturdashi ", which normally occurs on the 14th day of " Krishna Paksha " ( waning phase of moon ) at the night before " Kali Puja " / " Dipaboli " festival.
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My view is that the current system is unhelpful ( ever since I saw something like " the facilty was opened on May 6, 1972 " and I was disappointed that clicking on the link did not give a detailed account of the opening ceremony ) but I can imagine a system in which a page, popup or tooltip gives potentially relevant information such as the day of the week, the phase of moon, the date in different calendars, etc, etc.