持续时间计算器
精确计算任意两个日期之间的时间差。结果以年、月、日、小时、分钟和秒为单位，并支持工作日和工作时间。
日期和时间范围
Duration Result
1 days, 0 hours, 0 minutes, 0 seconds
Exact Duration From
Jan 12, 2026, 11:37 PM → Jan 13, 2026, 11:37 PM
1
Total Days24
Total Hours1,440
Total Minutes86,400
Total SecondsHow to Calculate Time Duration
Easily find the exact time between any two dates and times, with a detailed breakdown into days, hours, and minutes.
1. Set Start Point
Choose your beginning date and time. Use the "Now" button for a quick shortcut.
2. Set End Point
Select your target date and time. The duration calculates automatically as you type.
3. Analyze Results
See the result in multiple formats including ISO 8601 and total elapsed seconds.
Precise Time Measurements
Whether you're measuring project duration, tracking billable hours, or calculating the time between historical events, our tool provides the highest level of accuracy.
ISO 8601 Format
Millisecond Accuracy
More Useful Tools
Frequently Asked Questions
为什么要使用我们的时长计算器？
立即见效
选择日期和时间后，系统将进行实时计算。
多种格式
查看以年、月、日、小时、分钟和秒为单位的结果。
工作日
可以选择将周末从计算中排除。
快速预设
一键计算常用时长。