Date Input Format: 29-Rule

Input Format

Windward uses the following standards when reading in a date input that specifies the year using only 2 digits:

  • A cutoff value of 29 is used to determine the millennia between 1900 and 2000. Years less than or equal to 29 will use 2000 for the millennia while greater than 29 will use 1900:
    • For example: 
      • If the input  date was "01 - 01 - 29", the software will interpret it as "01-01-2029"
      • If the input  date was "01 - 01 - 30", the software will interpret this as "01-01-1930"
    • If you want to input a date that is before January 1, 1930, or after December 31, 2029, you must input the full four-digit year. For example, to use the date July 4, 2076, type 7/4/2076 .

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