日常使用
日期计算器
计算日期之间的天数或加减天数
使用方法
Days Between Dates: Select a start and end date to find the exact number of days, weeks, months, and business days between them.
Add/Subtract Days: Pick a starting date, choose to add or subtract, and enter the number of days to find the resulting date.
公式
Days = (End Date − Start Date) in milliseconds ÷ 86,400,000