Add a Clock
Filter above, then select a zone and click Add.
Clocks you add are saved locally in your browser (no login needed).
Your Clocks
Time Zone Converter
Type to filter the list.
Type to filter the list.
Result
Tip: All conversions respect local DST rules via IANA time zones.
Sunrise / Sunset
Type to filter the list.
Results
Uses NOAA algorithm; works fully client-side.
AtlasClock is a free, easy-to-use online tool for managing time across the globe. Instantly check the current time in multiple cities, compare different time zones, and calculate time differences for meetings, travel, or personal planning. Use the time zone converter to find the best meeting times for remote teams or friends in different countries.
The site also provides sunrise and sunset times for any location, helping travelers, photographers, and outdoor enthusiasts plan their activities. Designed to be fast, responsive, and ad-free, AtlasClock works without registration and is optimized for both desktop and mobile devices.
Whether you need to track local time for business calls, coordinate international travel, or simply stay connected with friends and family abroad, AtlasClock gives you information at a glance.