Local Time in Illinois: Accurate Time Zone & Daylight Savings Guide

Local Time in Illinois: Accurate Time Zone & Daylight Savings Guide

Illinois operates primarily on Central Time (CT), serving as a key reference point for millions across the Midwest. Whether you live in Chicago, Springfield, or smaller communities, understanding Illinois’ time system ensures smooth scheduling and avoids confusion across time zones. This guide covers everything from standard time to daylight saving transitions, supported by current 2025 rules.

What Time Zone Is Illinois In?

Illinois follows Central Time, which is UTC−6 during standard time and UTC−5 during daylight saving time. The state does not observe daylight saving in Indiana or Missouri, but this section focuses on Illinois-specific timing. Most residents switch to daylight saving in March and return in November, aligning with federal U.S. time changes.

When Does Daylight Saving Start and End in Illinois?

Daylight Saving Time (DST) in Illinois begins on the second Sunday in March, when clocks are set forward one hour at 2:00 AM local time. This shift moves the clock from 2:00 AM to 3:00 AM, effectively