UTC Offset Calculator
Find the time difference between two time zones from their UTC offsets.
Compare Your Options And Get Clear Answers
Find the time difference between two time zones from their UTC offsets.
UTC Offset Estimator
Enter your numbers below for an instant estimate.
How It Works
Key concepts behind this calculator
Enter Values
Fill in each field with your own numbers.
Calculate
Results update as you change the inputs.
Review
Read the breakdown and the explanation.
Adjust
Change values to compare scenarios.
UTC Quick Guide
Typical values for reference.
| Zone A | Zone B | Hour A | Difference |
|---|---|---|---|
| -8 | 0 | 9 | +8.0 h |
| -5 | 1 | 9 | +6.0 h |
| 0 | 5.5 | 9 | +5.5 h |
| 9 | -5 | 9 | -14.0 h |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
UTC Offset Calculator FAQ
Answers to common questions about this calculator.
The number of hours a time zone differs from UTC.
Subtract one offset from the other.
Offsets change when clocks move.
No, some use 30 or 45 minutes.
