Railo 4.2 Reference
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Object Method Datetime.diff

Determines the number of given date parts between two different dates
Datetime.diff(datetime date2,[string datepart]):number


The arguments for this function are set. You can not use other arguments except the following ones.
Name Type Required Description
date2 datetime  Yes date time object to compare
datepart string  No String that specifies the units in which to count:
  • yyyy: Years
  • q: Quarters
  • m: Months
  • y: Days of year (same as d)
  • d: Days
  • w: Weekdays (same as ww)
  • ww: Weeks
  • h: Hours
  • n: Minutes
  • s (Default): Seconds