日付計算
2つの日付を選び、日数を計算します。営業日は初期設定で月〜金です。
Working calendar · weekdays & holidays
Enter YYYY-MM-DD dates separated by spaces, commas or new lines. National holidays are not added automatically.
2つの日付の間の日数
日数の加算・減算
詳しいヘルプは現在英語です。
使い方
How do I calculate business days between two dates?
Choose start and end dates and press Count days. Monday–Friday counts as working days by default, the start date is included and the end date is excluded. Change the endpoint switches to match your rules.
Does this calculator exclude US federal holidays?
Holidays are not added automatically. Open Working calendar and enter the specific YYYY-MM-DD holiday dates to exclude. Check your employer or applicable calendar first.
How do I add five business days to a date?
Enter the starting date, enter 5 under Number of days, select Working days and press Find date. Counting begins on the next eligible date after the starting date.