Time Converter

Practical Applications

Scheduling, communication, navigation, science, commerce, production, and practically all organized human activities.

Historical Context

Time measurement began with astronomical observations of celestial cycles. Early civilizations developed calendars based on the movements of the Sun and Moon.

Did You Know?

The second was originally defined as 1/86,400 of the mean solar day. Today, it is defined as the duration of 9,192,631,770 periods of the radiation of the cesium-133 atom.

Common pairs of Time