How to use the World Clock
Your local time is shown at the top. The default cities are shown as cards below — remove any by hovering and clicking the X. Search for any city or country to add it. Toggle between Digital and Analog views using the buttons in the top right.
Frequently Asked Questions
Type a city or country name into the search box at the top. A dropdown appears with matching results — click any city to add it. Your saved cities are remembered in your browser so they appear every time you visit.
Green borders indicate the city is currently within business hours (9am to 6pm). No colour means outside business hours. Dark cards indicate it is currently night time (between midnight and 6am) in that location.
There are 24 main time zones based on hour offsets from UTC, but the actual total is over 40 when you include half-hour and quarter-hour offsets. Countries like India (UTC+5:30) and Nepal (UTC+5:45) use non-standard offsets.
UTC (Coordinated Universal Time) and GMT (Greenwich Mean Time) are almost identical for practical purposes. UTC is the international standard used for computing and aviation. GMT is a time zone used in the UK during winter — the UK moves to BST (UTC+1) in summer.