Create your vector time zone converter website

For ages, people used the sun to determine what time it was where they were. Every community set its clocks to noon based on when the sun reached its highest position in the sky; as a result, when it was noon in Washington, D.C., the local time in New York City was already minutes ahead.

Coordinated Universal Time (UTC) is used as the official world reference for time. Coordinated Universal Time replaced the use of Greenwich Mean Time (GMT) in 1972.

Sundials. The earliest known timekeeping devices appeared in Egypt and Mesopotamia, around 3500 BCE. Sundials consisted of a tall vertical or diagonal-standing object used to measure the time, called a gnomon. Sundials were able to measure time (with relative accuracy) by the shadow caused by the gnomon.

AI time zone conversion uses artificial intelligence and machine learning to automatically adjust meeting times and schedules to match the local time zones of attendees.

⏳ The 5 Best Time Zone Converter Tools 1️⃣ World Time Buddy. The first one from our list is World Time Buddy, a flexible and easy-to-use tool that lets you compare times for different places simultaneously. 2️⃣ Timeanddate.com World Clock. 3️⃣ Clocker For Mac. 4️⃣ Calendly. 5️⃣ Google Calendar.

Sundials and water clocks were first used in ancient Egypt c. 1200 BC (or equally acceptable BCE) and later by the Babylonians, the Greeks and the Chinese. Incense clocks were being used in China by the 6th century.

As 100,000 years ago humans first left Africa, by that point enough humans would have traveled far enough to make times of day change by travelling (i.e. time zones) to be recognized. But deciding to need the use of time zones on land started with the speed of the railroads.