UTC to CST Converter

UTC (Coordinated Universal Time) is the global time standard used to regulate clocks worldwide. It stays fixed year-round and does not change for daylight saving time. GMT to CST uses the exact same offset as UTC to CST — GMT and UTC are functionally equivalent for everyday time conversion.

All time zones are defined as an offset from UTC. CST is UTC-6 during standard time, while CDT is UTC-5 during daylight saving months.

In software logs and APIs, UTC often appears with a trailing Z (for example: 2026-06-02T18:00:00Z).

CST (Central Standard Time) is the time zone used in the central United States and Canada during winter months. It is 6 hours behind UTC, written as UTC-6. Major cities and states using CST include Chicago, Dallas, Houston, Minneapolis, Kansas City, and the states of Texas, Illinois, Wisconsin, Minnesota, Iowa, and Missouri.

During summer (Daylight Saving Time), CST advances by one hour to become CDT (Central Daylight Time, UTC-5). The switch happens on the second Sunday of March (clocks spring forward) and reverts on the first Sunday of November (clocks fall back). Check exact dates for any year at our daylight saving time page.

CST is widely used in finance (Chicago Mercantile Exchange), broadcasting (major US TV networks use Central Time for primetime scheduling), and agriculture. For anyone working with US-based teams, UTC-to-CST conversion is a daily necessity.