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These Blue Moons
are not listed in the Maine Farmersą Almanac from 1915 to 1951 but
are identified as such in the "Farmers' Calendar" commentaries
of the 1937 to 1948 editions.
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These Blue Moons
are listed explicitly in the "Aspects, Holydays, Weather, Etc."
section of the Maine Farmers' Almanac from 1937 to 1956. (All dates
in both columns are Universal Time.)
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1915 November
21
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1937 August
22
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1918 August
22
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1940 May 21
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1921 May 21
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1943 February
20
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1924 February
20
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1945 August
23**
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1926 summer
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1948 May 23
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1929 spring
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1951 May 21*
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1932 winter*
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1953 November
20
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1934 November
21
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1956 August
21
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1951 winter*
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*The "Farmers'
Calendar" for May 1948 gave the seasons of several past and future
Blue Moons, including winter of 1932 and winter of 1951, both of which
are probably errors. When the 1951 almanac was actually printed, the Blue
Moon was listed on May 21, 1951. Our calculations give Blue Moons on May
20, 1932, and May 21, 1951.
**Our calculations
based on the apparent Sun give August 23, 1945, while computations based
on the mean Sun give November 19, 1945. The August 1945 Blue Moon appears
to be another almanac error.
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