Epoch Time, also known as Unix Time, is a system for tracking time as a running total of seconds elapsed since 00:00:00 Coordinated Universal Time (UTC) on January 1, 1970. It is widely used in computing systems for time representation due to its simplicity and ability to avoid issues related to time zones and daylight saving time.

Epoch Time

Unix Time, also known as Epoch Time, is a system for tracking time as the number of seconds that have elapsed since 00:00:00 Coordinated Universal Time (UTC) on January 1, 1970, not counting leap seconds. It is widely used in computing systems for its simplicity and ease of conversion between human-readable dates and timestamps.

Unix Time

Coordinated Universal Time (UTC) is the primary time standard by which the world regulates clocks and time, serving as the basis for civil time across the globe. It is maintained using highly precise atomic clocks and is periodically adjusted with leap seconds to account for Earth's irregular rotation.

Coordinated Universal Time

Coordinated Universal Time (UTC) is the primary time standard by which the world regulates clocks and time, maintaining a uniform time across the globe. It is not adjusted for daylight saving time and is the basis for civil time in many countries, ensuring synchronization in global communications and data exchange.

January 1, 1970

Time representation is the method by which time is quantified, organized, and understood in various contexts, from computational systems to philosophical discussions. It encompasses diverse models and formats, including linear and cyclical time, as well as discrete and continuous time, each serving different purposes and applications across disciplines.

time representation

computing systems

Time zones are regions of the Earth that have the same standard time, which is determined by their longitudinal position relative to the Prime Meridian. They help coordinate activities across different areas by accounting for the Earth's rotation and the varying positions of the sun in the sky.

time zones

Daylight Saving Time (DST) is a practice of setting the clock forward by one hour during the warmer months to extend evening daylight, thereby conserving energy and making better use of daylight. While it aims to reduce energy consumption and improve economic activity, it has been criticized for its disruption to human circadian rhythms and the questionable impact on energy savings.

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