Time Calculator
Add or subtract time from a date, and calculate durations between times.
Free Online Time & Date Calculator: 4-in-1 Utility
Calculate dates, time differences, and durations with our all-in-one Time Calculator. Featuring four distinct modes, this tool handles everything from project deadlines to workout intervals.
How to use the Time Calculator:
- Date Calculator: Add or subtract years, months, and days from a specific date.
- Date Difference: Calculate the exact time duration between two dates (e.g., "Days between now and Christmas").
- Time Offset: Find out what time it will be in X hours or minutes.
- Duration Calculator: Add two time values together (e.g. 1h 20m + 45m).
Why use a Date & Time Calculator?
Manually calculating time is error-prone due to irregular month lengths, leap years, and the base-60 time system. Our tool automates these complex shifts. Whether you are a project manager tracking milestones, a payroll officer calculating hours between dates, or a developer working with timestamps, this utility ensures 100% accuracy.