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Asked: 2026-06-04T15:57:47+00:00

I am looking for an external JAR or a method that will supply me

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I am looking for an external JAR or a method that will supply me the following abilities:

  1. Subtract two dates.
  2. Define holidays as Saturday and Sunday, or Friday and Saturday.
  3. Calculate the difference with holidays or without them.

Can anyone recommend an external JAR before I go into Gregorian calendar calculations?

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  1. Editorial Team

    Take a look at this site, they provide you a java program that helps you with that:

    The wdnum() method returns the number of weekdays (excluding weekends) that have passed since Monday, 29 December 1969. It works by calculating the number of days since 1 January, 1970 (getTime() divided by the number of milliseconds in a day), adding 3 and returning the number of week days in full weeks and possibly a partial week that have passed since then.

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