| [Overview][Constants][Procedures and functions][Index] | 
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 | Average number of days in a month, measured over a year. Used in MonthsBetween. | |
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 | Average number of days in a year, measured over 4 years. Used in YearsBetween. | |
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 | ISO day number for Friday | |
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 | ISO day number for Monday | |
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 | ISO day number for Saturday | |
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 | Number of days in a week. | |
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 | Array with number of days in a year. The boolean index indicates whether it is a leap year or not. | |
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 | ISO day number for Sunday | |
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 | ISO day number for Thursday | |
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 | ISO day number for Tuesday | |
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 | ISO day number for Wednesday | |
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 | Number of months in a year | |
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 | One hour as a fraction of a day (suitable for TDateTime) | |
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 | One millisecond as a fraction of a day (suitable for TDateTime) | |
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 | One minute as a fraction of a day (suitable for TDateTime) | |
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 | One second as a fraction of a day (suitable for TDateTime) | |
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 | Bitmask deciding what to do with each TDateTime field in recode routines | |
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 | Number of weeks in fortnight | |
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 | Number of years in a century | |
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 | Number of years in a decade | |
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 | Number of years in a millenium |