営業日計算ツール
2つの日付間の営業日数（週末を除く）を計算、または開始日に営業日数を加算できます。
開始日と終了日を入力し、計算をクリックして営業日の内訳を確認してください。
Disclaimer: The results provided by these calculators are estimates for informational purposes only and do not constitute financial, tax, or legal advice. Tax laws vary by jurisdiction and change frequently. Please consult a qualified accountant or tax professional before making financial decisions.