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keisanHigh-precision calculations for everyday life and work

Business Day Count Calculation

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Calculates the number of business days (excluding holidays) between two dates. Supports major banks, government agencies, and other organizations from the year 2020 onward.
The start date defaults to today.
Year
Month
From [Date]
Year
Month
Until [date]
Holidays are
The first day
・National holidays are calculated based on laws and regulations enacted in 2020 and are subject to change by law.
・Bank holidays: Saturdays, Sundays, national holidays, and year-end/New Year holidays (12/31~1/3)
・Government agency holidays: Saturdays, Sundays, national holidays, and year-end/New Year holidays (12/29~1/3)
・Number of days between dates = Date 2 − Date 1
・Pop-up calendar: Available starting on 1582-10-15, when the Gregorian calendar was adopted.

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