Deltin : unit of measure of the angular velocity of the Moon around the Earth.
(Taken from Legend of the calendar of the cumulative-dissipative cycle in seeds.)
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The angular velocity of the Moon around the Earth varies, inducing in seeds the cumulative dissipative cycle, thanks to which they maintain their viability for a long time.
To facilitate the reading of the calendar of the cumulative-dissipative cycle of the seeds, it does not indicate the angular velocities of the seeds relative to the Moon, but indicates how much, every day, the Moon proceeds in its journey around the Earth.
The calendar is useful also in the research on tides.
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The sidereal month.
Bear in mind that the Moon completes its rotation around the Earth in 27 days, 7 hours, 43 minutes, 12 seconds (sidereal month).
The time of the sidereal month is subdivided by me into 86.400 deltins, a unit of measure I use in the graphs of the calendar of the cumulative-dissipative cycle of the seeds, at rest on the ground.
The number of 86,400 deltins is the same number of the seconds as there are in 24 hours. However, the two words, second and deltin, indicate different meanings and durations.
The calendar indicates how the total of 86400 deltins is distributed over the various days of the sidereal month.
In the graphs of this calendar, the angular velocities of the Moon around the Earth are expressed in deltins, and usually shown as an hourly average of each day, as in the example below.
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We can see this variation in angular velocity over the course of a month, in the calendar below. The grid of the days is in accordance with the universal time (GMT).
cumulative dissipative cycle of the seeds
Angular velocity per hour.
The angular velocity, given as hourly average per each day, of how much the Moon recovers its delay, on its revolution around the Earth, defined in 86400 deltins, and performed during one sidereal month.