The function WeekOfYear (<Date>,[Weekday rule],[First day of week]) returns the weekday on the given date.

• Date: The date from which the day of the week is to be calculated.
• weekday rule (Default value: first four days.):
  • 0 = First day
  • 1 = the whole week
  • 2 = first four days
• First day of the week (Default value: Monday):
  • 0 = Sunday
  • 1 = Monday
  • 2 = Tuesday
  • …

WeekOfYear(ConvertDateTimeFromString('01.07.2015', 'dd.MM.yyyy'))

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WeekOfYear(ConvertDateTimeFromString('01.07.2015', 'dd.MM.yyyy'), 1)

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