Count business days (excluding weekends) between two dates.
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=NETWORKDAYS(A2, B2)NETWORKDAYS counts whole working days from start to end, automatically skipping Saturdays and Sundays. Pass an optional holiday range as the third argument to skip those too.
=NETWORKDAYS(A2, B2, Holidays)→2121 working days, excluding weekends and listed holidays.
Custom weekend
=NETWORKDAYS.INTL(A2, B2, 11)Code 11 treats only Sunday as the weekend.
Use WORKDAY: =WORKDAY(A2, 10, Holidays) returns the date 10 business days after A2.
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