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Calculating time intervals

Calculating time intervals

Question:
How does one calculate time differences. I know there’s a function to calculate date differences.I am coding a database program which includes calculating the difference between a start time and a finish time.

Answer:
Even though it is called the DateDiff function, it can be used to calculateup to second differences between two date/time values. All you have to dois change the first argument, which is the interval argument, to one of thefollowing codes:

  • yyyy – Year
  • q – Quarter
  • m – Month
  • y – Day of year
  • d – Day
  • w – Weekday
  • ww – Week
  • h – Hour
  • n – Minute
  • s – Second
You then add the remaining arguments of the DateDiff function and it willreturn the difference in the unit specified by the interval argument. Do asearch for DateDiff in your Visual Basic help file for more detailson how to use this function.

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