Count dates without hidden assumptions.
Date questions become easier when the boundary rule is written before the arithmetic.
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Know the exact distance between two dates.
Calculate the exact number of days, weeks, weekdays, and weekends between two dates, plus forward and backward date shifting, without local-time drift.
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Days between dates, calculated exactly.
Calculate calendar days, weeks, weekdays, and weekends between two dates.
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Inclusive and exclusive ranges
An exclusive end counts elapsed calendar boundaries. An inclusive end counts both named dates, adding one day to the absolute span.
Weekdays and holidays
Weekday counts classify Saturday and Sunday as weekends. Public holidays are jurisdiction-specific and are not inferred.
DateSpan
Count spans, working days, and date shifts with calendar clarity.
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