Permanent daylight saving time
Permanent daylight saving time in Illinois.In Chicago the sun would rise after 8 AM on 63 days a year, up from 0.
The latest sunrise would move from 7:29 AM to 8:18 AM, and winter's earliest sunset from 4:19 PM to 5:19 PM. Summer stays as it is.
Chicago, on today's clocks. The latest sunrise is 7:29 AM on November 6, and the earliest sunset is 4:19 PM on December 8.
| Measure | Today's clocks | Permanent DST | Permanent standard |
|---|---|---|---|
| Latest sunrise | 7:29 AM | 8:18 AM | 7:18 AM |
| Earliest sunrise | 5:15 AM | 5:15 AM | 4:15 AM |
| Earliest sunset | 4:19 PM | 5:19 PM | 4:19 PM |
| Latest sunset | 8:30 PM | 8:30 PM | 7:30 PM |
| Days with sunrise after 8 AM | 0 | 63 | 0 |
| Days with sunrise after 9 AM | 0 | 0 | 0 |
| Days with sunset before 5 PM | 82 | 0 | 98 |
| Days with sunset after 7 PM | 182 | 182 | 89 |
| Hours of light after 5 PM on weekdays | 446 | 508 | 278 |
Illinois, city by city.
| City | Latest sunrise today | On permanent DST | Days after 8 AM today | On permanent DST | Earliest sunset today | On permanent DST | Latest sunset on permanent standard |
|---|---|---|---|---|---|---|---|
| Chicago | 7:29 AM | 8:18 AM | 0 | 63 | 4:19 PM | 5:19 PM | 7:30 PM |
| Springfield | 7:33 AM | 8:20 AM | 0 | 69 | 4:34 PM | 5:34 PM | 7:31 PM |
| Rockford | 7:36 AM | 8:25 AM | 0 | 75 | 4:24 PM | 5:24 PM | 7:37 PM |
| Peoria | 7:34 AM | 8:22 AM | 0 | 72 | 4:31 PM | 5:31 PM | 7:34 PM |
| Carbondale | 7:27 AM | 8:13 AM | 0 | 56 | 4:38 PM | 5:38 PM | 7:23 PM |
Of these cities, Rockford would see the latest sunrise, 8:25 AM on January 3.
Questions.
What time would the sun rise in Chicago in winter?
As late as 8:18 AM, on January 3. Today the latest sunrise is 7:29 AM, on November 6.
How many dark mornings would Chicago have?
The sun would rise after 8 AM on 63 days a year. Today it rises after 8 AM on 0 days.
What would winter evenings look like in Chicago?
The earliest sunset of the year would move from 4:19 PM to 5:19 PM. The sun now sets before 5 PM on 82 days a year; on permanent daylight saving time it never would.
What would permanent standard time do in Chicago?
Winter would stay as it is, and summer's clock would fall an hour back. The earliest sunrise would be 4:15 AM and the latest sunset 7:30 PM, instead of 5:15 AM and 8:30 PM today.
Neighbors.
Will tonight's sunset be worth seeing in Chicago?
Sol answers hours ahead, in one of four words, and shows where the light will be at any minute. It is free on the web, and coming soon to iPhone.
Figures are for calendar 2027 unless a heading says otherwise, worked out with NOAA's solar equations and the IANA time zone database (version 2026e) at each place's coordinates from GeoNames. Sunrise and sunset put the sun's center 0.833° below a flat horizon, so hills move a real place by minutes. Download the figures.