24-hour clock

The 24-hour clock is the convention of time keeping in which the day runs from midnight to midnight and is divided into 24 hours, indicated by the hours passed since midnight, from 0 to 23. This system is the most commonly used time notation in the world today, and is used by international standard ISO 8601. In the practice of medicine, the 24-hour clock is generally used in documentation of care as it prevents any ambiguity as to when events occurred in a patient's medical history. It is popularly referred to as military time in the United States, English-speaking Canada, Russia, and a handful of other countries where the 12-hour clock is still dominant.

Description

A time of day is written in the 24-hour notation in the form hh:mm (for example 01:23) or hh:mm:ss (for example, 01:23:45), where hh (00 to 23) is the number of full hours that have passed since midnight, mm (00 to 59) is the number of full minutes that have passed since the last full hour, and ss (00 to 59) is the number of seconds since the last full minute. In the case of a leap second, the value of ss may extend to 60. A leading zero is added for numbers under 10. This zero is optional for the hours, but very commonly used in computer applications, where many specifications require it (for example, ISO 8601).

2 Chainz

Tauheed Epps (born September 12, 1977), better known by his stage name 2 Chainz (formerly Tity Boi), is an American rapper from College Park, Georgia. He initially gained recognition for being one-half of the Southern hip hop duo Playaz Circle, alongside his longtime friend and fellow rapper, Earl "Dolla Boy" Conyers. They are perhaps best known for being signed to fellow Georgia-based rapper Ludacris' Disturbing tha Peace label, as well as their debut single "Duffle Bag Boy".

In February 2012, Epps signed a solo record deal with Def Jam Records, an imprint of Universal Music Group. The following August, he released his debut studio album Based on a T.R.U. Story, to mixed reviews. The album spawned three successful singles: "No Lie", "Birthday Song", and "I'm Different", all of which charted in the top 50 of the Billboard Hot 100 and were certified Gold or higher by the RIAA, along with the album being certified Gold. His second studio album B.O.A.T.S. II: Me Time was released on September 11, 2013. It was supported by the singles "Feds Watching", "Where U Been?", and "Used 2".