The time “5:00 pm EST” refers to 5:00 p.m. Eastern Standard Time, a time zone commonly used in the eastern part of North America. It is five hours behind Coordinated Universal Time (UTC). For example, when it is 5:00 pm EST in New York City, it is 10:00 pm UTC.
The “EST” in “5:00 pm EST” stands for Eastern Standard Time. Standard time zones were first introduced in the late 19th century to improve transport schedules. EST has been used in the eastern United States and Canada since 1883. During the summer months, many areas in the eastern US and Canada observe Eastern Daylight Time (EDT), which is one hour ahead of EST.