What Time Is It Around The World Right Now?

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About World Time Clock & Map

Flash Map of World Time displays current local time in any place around the world right now.

World Time Clock & Map is an indispensable utility for everyone who deals with people abroad or anybody who is keen on knowing what time it is further than locally.

This advanced Flash application is very helpful for travelers who need to know time difference around the world and want to be aware of world time zone they are traveling to, as well as for businesses which are located in different time zones and want to know current local time of their partners and customers.

Just click on “Settings” button on the top-right of the map and discover how you can customize the map yourself! New features like the ability to add more clocks and set alarm time were added recently and general usability was improved. Furthermore, we have developed brand-new Flash Time Clocks for Europe, Australia, Canada and United States, making time check even more easy!

More About World Time

Coordinated Universal Time (UTC) and Greenwich Mean Time (GMT)

Coordinated Universal Time (UTC) is the basis for modern civil time. Since January 1, 1972, it has been defined to follow International Atomic Time (TAI) with an exact offset of an integer number of seconds, changing only when a leap second is added to keep clock time synchronized with the rotation of the Earth.

Greenwich Mean Time (GMT) is an older standard, adopted starting with British railroads in 1847. Using telescopes instead of atomic clocks, GMT was calibrated to the mean solar time at the Royal Observatory, Greenwich in the UK. Universal Time (UT) is the modern term for the international telescope-based system, adopted to replace "Greenwich Mean Time" in 1928 by the International Astronomical Union. Observations at the Greenwich Observatory itself ceased in 1954, though the location is still used as the basis for the coordinate system. Because the rotational period of Earth is not perfectly constant, the duration of a second would vary if calibrated to a telescope-based standard like GMT or UT - in which a second was defined as a fraction of a day or year. The terms "GMT" and "Greenwich Mean Time" are sometimes used informally to refer to UTC.

Time Zones

Earth is split up into a number of time zones. Most time zones are exactly one hour apart, and by convention compute their local time as an offset from UTC or GMT. In many locations these offsets vary twice yearly due to daylight saving time transitions.

A time zone is a region on Earth, more or less bounded by lines of longitude, that has a uniform, legally mandated standard time, usually referred to as the local time. By convention, the 24 main time zones on Earth compute their local time as an offset from UTC, each time zone boundary being ostensibly 15 degrees east or west of the preceding one. The reference point for UTC is the Greenwich Meridian (the Prime Meridian), which has a longitude of 0°. Local time is UTC plus the current time zone offset for the location in question. A corresponding one hour decrease relative to UTC occurs every 15° heading westward from the western boundary of the UTC time zone, up to the International Date Line.

Daylight Saving Time

Daylight Saving Time (DST) also known as "summer time" is the practice of temporarily advancing clocks so that afternoons have more daylight and mornings have less. Typically clocks are adjusted forward one hour near the start of spring and are adjusted backward in autumn.

In a typical case where a one-hour shift occurs at 02:00 local time, in spring the clock jumps forward from 02:00 standard time to 03:00 DST and that day has 23 hours, whereas in autumn the clock jumps backward from 02:00 DST to 01:00 standard time, repeating that hour, and that day has 25 hours. A digital display of local time does not read 02:00 exactly at the shift, but instead jumps from 01:59:59.9 either forward to 03:00:00.0 or backward to 01:00:00.0. In this example, a location observing UTC+2 during standard time is at UTC+3 during DST; conversely, a location at UTC−5 during standard time is at UTC−4 during DST. Clock shifts are usually scheduled near a weekend midnight to lessen disruption to weekday schedules.

Space Time

In space, light and time act differently than here on Earth, and speed is a different concept when time can theoretically be stopped in its tracks.

The speed of light is 186,000 miles per second, or approximately 670 million miles per hour. Nothing in the universe travels faster than light: at the speed of light, time stops. No matter how fast you are moving when you observe it, the speed of light will always be 186,000 miles per second. In physics, the three dimensions of space and the fourth, separate dimension of time combine to form a single construct throughout the cosmos called space-time. Using space-time, scientists can measure both the place and time something occurs in one.

Time is relative to the person observing it and time may change depending on how fast the observer is moving. Time passes more slowly for satellites in orbit when compared to time on Earth because those satellites are moving. Satellites used for the Global Positioning System are launched with their clocks running faster so that when they reach orbit they mark time the same as Earth-based clocks. Because time passes more slowly in orbit around Earth, astronauts arrive home a little younger than if they had spent the same amount of time on Earth. If you were to travel near the speed of light for what seems to be 20 years, you would return to Earth thousands of years in the future.