工作日计算器
计算两个日期之间的工作日，或从特定日期起N个工作日后的日期。支持排除周末、韩国节假日选项。
Calculate the number of business days (working days) between start and end dates.
💡 Business days (working days) exclude weekends (Saturday and Sunday). If you select the holiday exclusion option, Korean public holidays will also be excluded. Lunar holidays (Seollal, Chuseok) are supported for 2024-2030.
📖 使用方法
- Select calculation mode (Between Dates / Add Days)
- Select the start date
- Enter the end date or number of business days
- Optionally check 'Exclude Korean Holidays'
- View the calculated business days or result date
✨ 主要功能
- ✓Calculate business days between two dates
- ✓Find date N business days before/after a start date
- ✓Automatic weekend (Sat, Sun) exclusion
- ✓Korean holiday exclusion option (New Year, Independence Movement Day, etc.)
- ✓Lunar holidays supported for 2024-2030
- ✓Detailed breakdown: total days, weekends, holidays
📐 计算公式
Business Days = Total Days - Weekends - Holidays (if selected)💡 计算原理
- •Business days (working days) typically refer to weekdays from Monday to Friday.
- •Business day calculations are essential for contracts, deadlines, vacation planning, and various work scenarios.
- •Korean public holidays include fixed holidays (New Year's Day, Independence Movement Day, Children's Day, etc.) and lunar holidays (Seollal, Chuseok, Buddha's Birthday).
- •Substitute holidays apply when public holidays fall on weekends, and major substitute holidays are included in this calculator.
- •Lunar holidays change dates every year, so data for 2024-2030 is pre-loaded.
❓ 常见问题
Q. What are business days (working days)?
A. Business days are weekdays excluding weekends (Saturday and Sunday). These are the days when businesses and government offices operate normally. Excluding holidays gives you actual working days.
Q. Which holidays are supported?
A. Fixed holidays (New Year's Day, Independence Movement Day, Children's Day, Memorial Day, Liberation Day, National Foundation Day, Hangul Day, Christmas) apply to all years. Lunar holidays (Seollal, Chuseok, Buddha's Birthday) and substitute holidays are supported for 2024-2030.
Q. How many calendar days is 10 business days?
A. Typically about 14 days (2 weeks) since weekends are skipped. It may be longer if there are holidays. Use the calculator for an exact date.
Q. Can I calculate negative business days?
A. Yes, entering a negative number for business days calculates a date before the start date. For example, -5 gives you the date 5 business days ago.
Q. Are company-specific holidays included?
A. No, this calculator only includes legal public holidays. Company-specific holidays like anniversaries must be considered separately.
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