Time difference calculation The world alarm clock is one clock!
Even in Korea, overseas work remains the same as local time!
You no longer need to calculate the time difference for the selected city.
World alarms such as conference calls, teleconferencing, long-distance dating, and fastball
The alarm is notified in the local time of the country you set.

Even if you go overseas, the alarm set in Korea will sound in the Korean time zone.
Manage time conveniently by setting the time difference alarm for each city without signing up and logging in


* Key features of Han Clock

● World Clock
Provides accurate time for over 300 cities worldwide. It provides a simple clock with analog or digital design for overseas city time such as travel, business trip, overseas business, and fastball, and users can add new cities as needed.

● World Alarm
The alarm set for each city notifies the alarm by calculating the time difference in the local time based on the user's location anywhere in the world. It provides useful services in different time zones, such as business trips, conference calls, fastball, and travel. In addition, it is possible to manage the added alarms by city or by city, and it is easy to understand the local time and the set time through design and color, and the UI is created intuitively for adding/deleting cities.
When the user adds an alarm for each city, he/she notifies the alarm without having to calculate the time zone for each city anywhere in the world.

● Timer
Timers, which are necessary in many ways in daily life, can be applied to cooking, exercise, rest, housework, study, etc., effectively used in your life.

● Stopwatch
A simple stopwatch with a simple design, a thousandth of a second. In other words, various histories can be recorded with accuracy not to miss even 1 m/s.


* Guide to access to use the service

[Required access rights]
-Display on top of other apps (Android10 or later)
This permission is required to receive an alarm in the lock screen state.

* If permission is not granted, the alarm may not sound.


* Information
Please send comments about bugs, improvements, requests, etc. to [email protected]