Inputs
Working days can mean different things (weekends, holidays, whether to include the start/end day). This tool makes the rules explicit.
Results
Fill inputs, then click Calculate.
Working days can mean different things (weekends, holidays, whether to include the start/end day). This tool makes the rules explicit.
Working days between dates — Count working days between two dates with explicit weekend rules and an optional holidays list. Choose whether to include start/end. Shareable, browser-only.
Example: Use this tool to sanity-check numbers quickly, then share the link if you need to discuss with others.
FAQ: (1) Does it upload my data? No—runs in your browser. (2) Can I share results? Yes—use the share link feature. (3) Is it authoritative? Treat it as a convenience, not professional advice.
兩日期之間工作日天數 — 計算兩個日期之間有幾個工作日：可選週末規則、可排除自訂假日，並決定是否包含起迄日。可分享連結、純前端。
範例：用這個工具快速試算與對照結果，需要討論時再把連結分享給對方。
FAQ： (1) 會上傳資料嗎？不會，計算在瀏覽器內完成。 (2) 能分享結果嗎？可以，用分享連結。 (3) 準確嗎？請把它當作便利工具，不是專業建議。