What Is the World Clock?
The world clock (with seconds) is a customizable tool that shows the current time around the world. It can be used to track multiple time zones for scheduling international meetings, planning travel, or just to learn the time somewhere else. Currently, this page shows 36 popular cities from multiple countries. However, you can edit that list to create your own version.
How Do I Use the World Clock?
When you load the page, your local time is displayed at the top, followed by a list of cities with their current times. Click any city to move it to the main display area for easier viewing. You can also click the fullscreen icon on the top right to see the time in fullscreen (only on desktop).
You can customize the list of cities. Click on "Edit Cities" to open the edit mode. There you can delete any of the default cities, or drag and drop to change the order. Your changes are saved in your browser.
To add your own cities, click on "Add City". A modal will open where you can select a country, then pick a time zone from that country, and finally enter a custom title (for example, "London office" or "Japan time"). You can add as many locations as you want; new cities will appear in the list and can be reordered or removed later.
Your selections and edits are saved in your browser, so they will be there next time you visit.
Change settings
There is a settings icon in the top right that helps you customize this page. You can toggle different display options there. These options include show or hide the date, seconds, country flags, and city names.
Is daylight saving time considered?
Yes, the clock automatically adjusts for daylight saving time (DST). When cities change their clocks seasonally, the displayed times update automatically. You do not need to change anything.
How many time zones are there?
In an ideal world there should be 24 standard time zones worldwide, each one hour apart. But since some regions use 30-minute (India at UTC+5:30) or 45-minute offsets (Nepal at UTC+5:45), there are actually 38 different time offsets in use today.
Additionally, the IANA time zone database, which is the standard database for computer programs and operating systems, includes over 400 TZ identifiers.