What Time Is It in Illinois?
See what time it is in Illinois right now, with the date, time zone and the time difference from where you are.
About this tool
Illinois is a US state. The whole state uses Central Time. Standard time is UTC−6 (CST), and during daylight saving time it is UTC−5 (CDT). Next changes: clocks go back on November 1, 2026; clocks go forward on March 14, 2027. Illinois is normally 6 hours behind London. For a few weeks a year (5 hours behind) the difference changes, because the clocks are changed on different dates.
Frequently asked questions
What time zone is Illinois in?
Illinois: Central Time: standard time is UTC−6 (CST), and during daylight saving time it is UTC−5 (CDT).
Does Illinois have daylight saving time?
Yes. Illinois sets the clocks forward in spring and back in autumn. Next changes: clocks go back on November 1, 2026; clocks go forward on March 14, 2027.
What is the time difference between Illinois and London?
Illinois is normally 6 hours behind London. For a few weeks a year (5 hours behind) the difference changes, because the clocks are changed on different dates.
Why does the clock show a slightly different time than mine?
The page takes the time from the internet and adjusts for delay, so it is accurate to the second.