sexta-feira, março 29, 2019

Moon, sweet moon

© Maria do Carmo Vieira-Montfils
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Versão em português

The elders say that Holy Week is usually the best time for maple syrup production, no matter which period of the year it occurs. At first glance, this seems to be a superstition or a belief related to religion. But if we delve well into the origins of these dates, we will see that it has a lot to do with nature itself, with the same phenomena that govern seasons. The ancients were much closer to the natural environment than we are today; they were great observers, like scientists.
We know that Holy Week does not have a fixed date, it can vary from year to year and it is based on calculations made for Easter. These calculations were determined by decision of the Council of Nicaea in the year 325. They are not very simple. There are formulas with algorithms to get the correct result, based on the lunar calendar.
This subject is not familiar to me, this paragraph, somewhat lunatic for me, is based on Wikipedia. Voila... Easter is celebrated on the Sunday following the fourteenth day of the moon; the fourteenth day of the moon means the fourteenth day counted from the new paschal moon; the paschal moon is a fictional moon quite close to phases of the real moon. It is calculated using the Meton cycle, which establishes that there are 235 lunar months over 19 tropical years (years of the cycle of seasons); with a lag of one day every 218 years.
In practical terms, more down-to-earth, Easter Sunday is the first Sunday after the full moon following March 21st. Other dates of the liturgy depend on it, among which the Ash Wednesday, forty days before, and therefore also the carnival.
All this blah blah-blah to say that this year Easter will be on April 21, so the Holy Week will begin in almost three weeks. Everyone is worried because, in general, syrup production is stronger in March; we are already at the end of March and weather conditions are not good yet for the "Sugar Season".
- No syrup this year?
Take it easy! We cannot forget that trees are still sleeping. If the ancients were right, the ideal moment has not come yet.
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P.S.: To practice... the first full moon after March 21st will be on April 19th and the following first Sunday is April 21st - it is Easter. Interesting, isn't it?
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