International time zones - world clock

http://www.happyzebra.com/timezones-worldclock/



The table below displays the current local time in major cities around the world. By clicking on each city you can find out more information and details. Time zones are divided into standard and daylight saving (or summer). Daylight saving time zones (or summer time zones) include an offset (typically +1) for daylight saving time. Standard time zones (Winter Time zones) can be defined by geometrically subdividing the Earth's spheroid into 24 lunes (wedge-shaped sections), bordered by meridians each 15° of longitude apart. The local time in neighboring zones would differ by one hour. However, political boundaries, geographical practicalities, and convenience of inhabitants can result in irregularly-shaped zones. In a few regions, half-hour or quarter-hour differences are in effect.