Time Difference Calculator
시차 계산기 · 나라 시차 · time difference · 한국 미국 시차 · timezone difference
Time Difference Calculator
Shows the time difference and current time between two countries.
Calculated in real time from your device clock, using each country's capital time zone, with daylight saving (DST) applied.
How to use
- 1
Pick two countries.
- 2
The time difference and each country's current time appear.
- 3
Switch countries to check others.
FAQ
Is this tool free?
Yes — it is completely free to use, with no account or sign-up required.
What is this tool?
Pick two countries — say Korea and the US — and this tool shows the time difference between them and each country's current time in real time. Handy for travel, business trips, or scheduling international calls and video meetings. It uses each country's capital time zone and applies daylight saving (DST) automatically, and everything is calculated in your browser, free with no install.