Add Time Calculator
Add or subtract hours and minutes from any time. Enter a starting time and the amount to add, and see the result instantly. Handles 24-hour format and midnight wrap.
Result Time
15:30
(3:30 PM)
How to use the add time calculator
1
Enter a starting time in 24-hour format (e.g., 14:00 for 2:00 PM).
2
Enter hours and minutes to add. Use negative numbers to subtract time.
3
See the result in both 24-hour and 12-hour formats. Times after midnight wrap correctly.
Quick examples
| Starting Time | Add | Result (24h) | Result (12h) | Use Case |
|---|---|---|---|---|
| 08:00 | +8h 0m | 16:00 | 4:00 PM | Work shift end |
| 14:00 | +3h 30m | 17:30 | 5:30 PM | Meeting duration |
| 22:00 | +5h 0m | 03:00 | 3:00 AM | Overnight flight |
| 06:00 | +6h 0m | 12:00 | 12:00 PM | Medication interval |
| 09:30 | -2h 0m | 07:30 | 7:30 AM | Subtract for prep time |