RE: Convert Month number to a string of the Month
Posted: 7/28/2005 12:38:35 PM
By: Comfortably Anonymous
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Topic: Programming: .NET Framework
Parent Message
Anyone have an example of anyone/anywhere who uses a 13 month calendar?
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RE: Convert Month number to a string of the Month
Posted: 7/28/2005 12:38:35 PM
By: Comfortably Anonymous
Times Read: 1,831
0 Dislikes: 0
Topic: Programming: .NET Framework

No, but algorithmic errors can cause some weird numbers.

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RE: Convert Month number to a string of the Month
Posted: 7/28/2005 12:38:35 PM
By: Comfortably Anonymous
Times Read: 1,831
0 Dislikes: 0
Topic: Programming: .NET Framework

There was a 13-month calendar called the International Fixed Calendar. It had 13 months of 28 days. Kind of made sense.

Was actually used internally to the Eastman Kodak company from 1928 to 1989. That must have been where the functionality for a 13 month year was needed.

Maybe we should have used it, it had some interesting advantages:

  • Every year has exactly 52 weeks divided in 13 months.
  • Each month has exactly 28 days divided in 4 weeks.
  • The calendar is the same every year (perennial), unlike the annual Gregorian calendar, which differs from year to year. Hence, scheduling is easier for institutions and industries with extended production cycles.
  • Every day of the month falls on the same weekday in each month—the 17th always falls on a Tuesday, for example.
  • Moveable holidays celebrated on the nth certain weekday of a month, such as U.S. Thanksgiving day, would be able to have a fixed date while keeping their traditional weekday.
  • Statistical comparisons by months are more accurate, since all months contain exactly the same number of business days and weekends; likewise for comparisons by 13-week quarters.
  • Supporters of the International Fixed Calendar have argued that thirteen equal divisions of the year are superior to twelve unequal divisions in terms of monthly cash flow in the economy.
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