日常使用

时间计算器

加减时间值（时、分、秒）

使用方法
  1. Enter a Start Time.
  2. Enter an End Time.
  3. Click Calculate Duration to see the exact time difference between the two times.

公式

The duration is calculated by finding the difference between the end time and start time. If the end time is earlier than the start time, it is assumed to be on the following day.