| Beard 1918 , "Rose Moon", "Thunder Moon"• "Wolf Moon" is attributed to the Algonquin by Haddock 1992 ; the actual Algonquin name for that moon is squochee kesos or "sun has not strength to thaw" | Pushya Purnima - Thaipusam, Shakambharee Purnima• Vyas Purnima - important day for starting education and honoring teachers• ", 24 August 2009, available at |
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| Ashvin Purnima - Sharad Purnima• Margasirsha Purnima - Thiruvathira, Dathatreya Jayanthi• Bhadrapad Purnima - start of Pitrupaksha, Madhu Purnima• Guru Purnima - the full moon of the Ashadh month• The saying "once in a blue moon" meaning "very rarely" is recorded since the 1820s | Phillips, Tony 16 March 2011 |
| Farmers' Almanac, "What is a blue moon? see James Ferguson, Astronomy explained upon Sir Isaac Newton's principles,: and made easy to those who have not studied mathematics, 1756, | Phillips, Tony 9 December 2008 |
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| Phillips, Tony 22 September 2010 | , Blackburn, Bonnie; et al |
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