S M T W T F S 10

When Does the Time Change in Illinois?

2025 DST Schedule

🌸 Spring Forward

2025-03-09

2:00 AM → 3:00 AM

🍂 Fall Back

2025-11-02

2:00 AM → 1:00 AM

Spring Transition

Lose one hour of sleep but gain evening daylight

Summer Months

Enjoy extended daylight hours for outdoor activities

Fall Transition

Gain an extra hour of sleep as we return to standard time

Winter Months

Earlier sunrises help with morning routines

Technology and Time Changes in 2025

Modern devices handle DST transitions automatically, but some systems still require manual updates. In 2025, ensure your smart home devices, car navigation systems, and older electronics are properly configured. Many IoT devices now use internet time servers for automatic updates, reducing the burden on users in Illinois.

IT departments should be particularly vigilant about server time synchronization, especially for systems handling financial transactions or time-sensitive operations.

Agricultural Considerations

Farmers in Illinois have historically had mixed feelings about DST. While the original justification for DST included giving farmers more daylight hours, modern farming practices rely heavily on the sun's position rather than clock time. Dairy farmers particularly note that cows don't adjust their biological clocks, creating temporary disruptions in milking schedules.

Energy Consumption Patterns in Illinois

Recent studies on energy consumption during DST in Illinois show modest savings of approximately 0.3% in electricity usage. However, these savings are offset by increased gasoline consumption as people take advantage of extended daylight for travel and recreation. The net energy impact remains a subject of ongoing research and debate among policy makers.

Did You Know?

DST can affect health, with studies showing increased heart attacks and car accidents after the spring change.
Arizona and Hawaii are the only US states that don't observe DST statewide.
The European Union voted to end DST in 2019, but implementation has been delayed.