1388 vs. 1447 day lunar cycle

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1388 vs. 1447 day lunar cycle

Palmen, KEV (Karl)
Dear Brij and Calendar People

Let's look at the real moon phase once every 10 cycles of 1388 days (47 months) and of 1447 days (49 months).


Moon phases every 10 cycles of 1388 days from last Friday:

Lunar Calendars and Eclipse Finder 5.79
<http://www.hermetic.ch/lcef/lcef.htm>

2005-12-16 CE 10:08 (local = GMT) AJD=2,453,720.9231
Gibbous moon (waning), illum. = 95.4%,
lunat. and age = [73] 14 days, 19 hrs, 8 mins (50.1%).
 
Convert date plus 13880 days
2043-12-17 CE 10:08 (local = GMT) AJD=2,467,600.9222
Gibbous moon (waning), illum. = 92.1%,
lunat. and age = [543] 15 days, 19 hrs, 31 mins (53.1%).
 
Convert date plus 13880 days
2081-12-17 CE 10:08 (local = GMT) AJD=2,481,480.9222
Gibbous moon (waning), illum. = 91.2%,
lunat. and age = [1013] 16 days, 19 hrs, 31 mins (56.8%).
 
Convert date plus 13880 days
2119-12-19 CE 10:08 (local = GMT) AJD=2,495,360.9222
Gibbous moon (waning), illum. = 85.3%,
lunat. and age = [1483] 16 days, 20 hrs, 41 mins (57.3%).

Convert date plus 13880 days
2157-12-19 CE 10:08 (local = GMT) AJD=2,509,240.9222
Gibbous moon (waning), illum. = 78.4%,
lunat. and age = [1953] 17 days, 9 hrs, 55 mins (58.6%).

Convert date plus 13880 days
2195-12-20 CE 10:08 (local = GMT) AJD=2,523,120.9222
Gibbous moon (waning), illum. = 75.9%,
lunat. and age = [2423] 18 days, 16 hrs, 51 mins (62.9%).

Convert date plus 13880 days
2233-12-21 CE 10:08 (local = GMT) AJD=2,537,000.9222
Gibbous moon (waning), illum. = 74.5%,
lunat. and age = [2893] 19 days, 0 hrs, 8 mins (64.5%).

Convert date plus 13880 days
2271-12-22 CE 10:08 (local = GMT) AJD=2,550,880.9222
Gibbous moon (waning), illum. = 67.5%,
lunat. and age = [3363] 19 days, 3 hrs, 52 mins (64.8%).


Now compare these with Moon phases every 10 cycles of 1447 days from last Friday:
Lunar Calendars and Eclipse Finder 5.79
<http://www.hermetic.ch/lcef/lcef.htm>

2005-12-16 CE 10:12 (local = GMT) AJD=2,453,720.9253
Gibbous moon (waning), illum. = 95.4%,
lunat. and age = [73] 14 days, 19 hrs, 11 mins (50.2%).
Convert date plus 14470 days

2045-07-29 CE 10:12 (local = GMT) AJD=2,468,190.9250
Gibbous moon (waning), illum. = 96.9%,
lunat. and age = [563] 14 days, 23 hrs, 44 mins (51.2%).
Convert date plus 14470 days

2085-03-11 CE 10:12 (local = GMT) AJD=2,482,660.9250
Full moon (waxing), illum. = 99.4%,
lunat. and age = [1053] 15 days, 3 hrs, 39 mins (51.5%).

Convert date plus 14470 days
2124-10-23 CE 10:12 (local = GMT) AJD=2,497,130.9250
Full moon (waning), illum. = 99.0%,
lunat. and age = [1543] 15 days, 16 hrs, 46 mins (53.1%).

Convert date plus 14470 days
2164-06-05 CE 10:12 (local = GMT) AJD=2,511,600.9250
Full moon (waning), illum. = 99.7%,
lunat. and age = [2033] 15 days, 8 hrs, 18 mins (51.9%).

Convert date plus 14470 days
2204-01-18 CE 10:12 (local = GMT) AJD=2,526,070.9250
Gibbous moon (waning), illum. = 96.8%,
lunat. and age = [2523] 15 days, 4 hrs, 45 mins (51.0%).

Convert date plus 14470 days
2243-08-31 CE 10:12 (local = GMT) AJD=2,540,540.9250
Gibbous moon (waning), illum. = 94.2%,
lunat. and age = [3013] 14 days, 22 hrs, 41 mins (50.6%).
 
Convert date plus 14470 days
2283-04-13 CE 10:12 (local = GMT) AJD=2,555,010.9250
Gibbous moon (waning), illum. = 96.1%,
lunat. and age = [3503] 14 days, 15 hrs, 3 mins (49.7%).

Karl

07(15(19