Chicago to Sieradz time converter
Sieradz is 7 hours ahead of Chicago. When it is 9:00 AM in Chicago, it is 4:00 PM in Sieradz.
1:10 PM in Chicago, Sunday, October 18, 2026
Chicago to Sieradz conversion table
Every hour of today in Chicago and the matching time in Sieradz. Light rows are typical working hours (9:00–18:00).
| Chicago | Sieradz |
|---|---|
| 12:00 AM | 7:00 AM |
| 1:00 AM | 8:00 AM |
| 2:00 AM | 9:00 AM |
| 3:00 AM | 10:00 AM |
| 4:00 AM | 11:00 AM |
| 5:00 AM | 12:00 PM |
| 6:00 AM | 1:00 PM |
| 7:00 AM | 2:00 PM |
| 8:00 AM | 3:00 PM |
| 9:00 AM | 4:00 PM |
| 10:00 AM | 5:00 PM |
| 11:00 AM | 6:00 PM |
| 12:00 PM | 7:00 PM |
| 1:00 PM | 8:00 PM |
| 2:00 PM | 9:00 PM |
| 3:00 PM | 10:00 PM |
| 4:00 PM | 11:00 PM |
| 5:00 PM | 12:00 AM+1 day |
| 6:00 PM | 1:00 AM+1 day |
| 7:00 PM | 2:00 AM+1 day |
| 8:00 PM | 3:00 AM+1 day |
| 9:00 PM | 4:00 AM+1 day |
| 10:00 PM | 5:00 AM+1 day |
| 11:00 PM | 6:00 AM+1 day |
Best time to call or meet
Both sides are at work from 9:00 AM – 11:00 AM in Chicago (4:00 PM – 6:00 PM in Sieradz).
Daylight saving time and the difference
The difference changes during the year because Chicago and Sieradz switch clocks on different dates:
- Oct 18, 2026 – Oct 24, 2026: +7h
- Oct 24, 2026 – Nov 1, 2026: +6h
- Nov 1, 2026 – Mar 14, 2027: +7h
- Mar 14, 2027 – Mar 27, 2027: +6h
- Mar 27, 2027 – Oct 18, 2027: +7h
Distance
Chicago and Sieradz are 7,439 km (4,622 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Chicago and Sieradz?
Sieradz is 7 hours ahead of Chicago.
What time is it in Sieradz when it is 9 AM in Chicago?
When it is 9:00 AM in Chicago, it is 4:00 PM in Sieradz.
When is the best time to call Sieradz from Chicago?
Both sides are at work from 9:00 AM – 11:00 AM in Chicago (4:00 PM – 6:00 PM in Sieradz).
Does the time difference between Chicago and Sieradz change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.