Lunisolar Cycles a multiple of the 128-year Cycle (and 896-year cycle)
Dear Calendar People
Here are some lunisolar cycles that are a multiple of the solar 128-year cycle with 31 leap days and so a mean year of 365.2421875 days.
Brij suggested
Seven 128-year cycles with two truncations of the 19-year cycle (by one Octaeteris) with mean month of 29.5304999 days.
After a little trail and error, I found
36 128-year cycles with thirteen truncations of the 19-year cycle with mean month of 29.5305739 days.
Now I can subtract the seven 128-year cycles to get
29 128-year cycles with eleven truncations of the 19-year cycle with mean month of 29.5305918 days.
For a multiple of the 896-year cycle of seven 128-year cycles, there are the following
29 896-year cycles with 77 truncations of the 19-year cycle with mean month of 29.5305918 days.
30 886-year cycles with 79 truncations of the 19-year cycle with mean month of 29.5305887 days.
The latter cycle is already known to Brij and is in my lunisolar spreadsheet
http://www.the-light.com/cal/Lunisolar7.html at the end (as 210 128-year cycles).
See http://www.the-light.com/cal/kp_Lunisolar_xls.html for more about my lunisolar spreadsheets.
Karl
10(14(18
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