Class Registration Server Time

Check the exact Korean server time down to the millisecond for class registration success.

Show Milliseconds

Domain Search

LOCAL

UTC

Round Trip Delay (RTT):0ms

Time Difference:0.000s ahead than device time

No Alarm SetBase: true-time.hongry.dev Server Time

Please set a target time or timer preset.

The alarm will trigger based on the precise target server (true-time.hongry.dev) when the duration expires.

Alarm Sound Settings

Desktop Push Notification

Background Execution Test※ Triggers an alarm in 10 seconds to verify audio and push notification execution in background/locked states.