PETIN M.I.

       The World PETIN - METON calendar

 

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                     Enclosure 2.  Some reference astronomical data.

 

    Part 2.  Comparison of  basic parameters of various projects of the World Calendars 

                        

 

 

 

The name of criteria

 

                            The calendars

 

 

World Petin-Meton

Gregorian

UNO World

calendar (1954)

 

 

 

 

 Continuation  of table

 

 

 5

 The structure of a month

  2

  4

  3

 

 

 

 

 6  

 The type of a month structure

  Petin

  Julian

  UNO

 

 

 

 

 7

 Synchronization   

 date 1 of each

 month with

 New Moon

  yes

  no

  no

 

 

 

 

  Monday

  yes

  no

  no

 

 

 

 

 8

 The coincidence days of week with  the same dates of each month

  yes

  no

  no

 

 

 

 

 9

 The availability of Friday 13

  absent

  not absent

  not absent

 

 

 

 

 

10

 

 

 

 

 Quantity  of days

 in a year

 solar

 simple

  365

  365

  364+1 special

 

 

 

 

 leap

  366

  366

  364+2 special

 

 

 

 

 

 lunar

 

 short 1

  354

  no

  no

 

 

 

 

 short 2

  355

  no

  no

 

 

 

 

 long

  384

  no

  no

 

 

 

 

          Continuation  of table

 

 

 

 

 

          1  lunar month    =   29,530588531 days.

          1  solar year      = 365,242195       days.

  much worse parameter

 

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