Coordinated Universal Time (UTC)

What is UTC?

Coordinated Universal Time (UTC) is the primary time standard by which the world regulates clocks and time. It is within about 1 second of mean solar time at 0° longitude and is not adjusted for daylight saving time.

UTC vs GMT

Greenwich Mean Time (GMT) is often used interchangeably with UTC, but GMT is actually a time zone, while UTC is a time standard that serves as the basis for civil time worldwide.

ISO 8601 Format

The international standard ISO 8601 describes the UTC format as: YYYY-MM-DDThh:mm:ssZ. The "Z" indicates UTC time (zero UTC offset).

Current UTC in ISO Format

2025-07-05T08:36:13+0000