Universal Time (UT or UT1) is a time standard based on Earth's rotation. While originally it was mean solar time at 0° longitude, precise measurements...

Coordinated Universal Time (UTC) is the primary time standard globally used to regulate clocks and time. It establishes a reference for the current time, forming...

frequent communication to keep the same time. Each time zone is defined by a standard offset from Coordinated Universal Time (UTC). The offsets range from UTC−12:00...

Standard Time (EST), when observing standard time (autumn/winter), are five hours behind Coordinated Universal Time (UTC−05:00). Eastern Daylight Time (EDT)...

Pakistan uses one time zone, which is Pakistan Standard Time (PKT). This is UTC+05:00 — that is, five hours ahead of Coordinated Universal Time. 4:50 pm, 8...

Positioning System, other satellite systems, Coordinated Universal Time and mean solar time. Although these systems differ from one another, with careful...

name Universal Time was introduced in 1928 to denote GMT as counted from midnight. Today, Universal Time usually refers to Coordinated Universal Time (UTC)...

the difference in hours and minutes between Coordinated Universal Time (UTC) and local solar time, at a particular place. This difference is expressed with...

ahead of coordinated universal time (UTC+01:00), and Central European Summer Time (CEST) during the summer as daylight saving time, which is two hours...

Singapore Time (SGT), also known as Singapore Standard Time (SST), is used in Singapore and is 8 hours ahead of Coordinated Universal Time (UTC+08:00)...