Leiden to Chicago time converter

Chicago is 7 hours behind Leiden. When it is 9:00 AM in Leiden, it is 2:00 AM in Chicago.

Leiden CEST

Sunday, October 18, 2026

Chicago CDT

Sunday, October 18, 2026

Leiden
The Netherlands
Sun, Oct 18
CESTUTC+2
Chicago
Illinois, United States
Sun, Oct 18
CDTUTC-5-7h
Finding your time zone…
Shared working hours (9:00–18:00)

Leiden to Chicago conversion table

Every hour of today in Leiden and the matching time in Chicago. Light rows are typical working hours (9:00–18:00).

LeidenChicago
12:00 AM5:00 PM−1 day
1:00 AM6:00 PM−1 day
2:00 AM7:00 PM−1 day
3:00 AM8:00 PM−1 day
4:00 AM9:00 PM−1 day
5:00 AM10:00 PM−1 day
6:00 AM11:00 PM−1 day
7:00 AM12:00 AM
8:00 AM1:00 AM
9:00 AM2:00 AM
10:00 AM3:00 AM
11:00 AM4:00 AM
12:00 PM5:00 AM
1:00 PM6:00 AM
2:00 PM7:00 AM
3:00 PM8:00 AM
4:00 PM9:00 AM
5:00 PM10:00 AM
6:00 PM11:00 AM
7:00 PM12:00 PM
8:00 PM1:00 PM
9:00 PM2:00 PM
10:00 PM3:00 PM
11:00 PM4:00 PM

Best time to call or meet

Both sides are at work from 4:00 PM – 6:00 PM in Leiden (9:00 AM – 11:00 AM in Chicago).

Daylight saving time and the difference

The difference changes during the year because Leiden and Chicago switch clocks on different dates:

  • Oct 18, 2026 – Oct 25, 2026: -7h
  • Oct 25, 2026 – Nov 1, 2026: -6h
  • Nov 1, 2026 – Mar 14, 2027: -7h
  • Mar 14, 2027 – Mar 28, 2027: -6h
  • Mar 28, 2027 – Oct 18, 2027: -7h

Distance

Leiden and Chicago are 6,599 km (4,100 miles) apart in a straight line.

More conversions

Chicago to LeidenLeiden to New YorkLeiden to LondonLeiden to Los AngelesLeiden to TorontoLeiden to São PauloLeiden to ParisLeiden to BerlinLeiden to MoscowLeiden to DubaiLeiden to New DelhiLeiden to BangkokLeiden to Singapore
New York to ChicagoLondon to ChicagoLos Angeles to ChicagoToronto to ChicagoSão Paulo to ChicagoParis to ChicagoBerlin to ChicagoMoscow to ChicagoDubai to ChicagoNew Delhi to ChicagoBangkok to ChicagoSingapore to Chicago

Questions and answers

What is the time difference between Leiden and Chicago?

Chicago is 7 hours behind Leiden.

What time is it in Chicago when it is 9 AM in Leiden?

When it is 9:00 AM in Leiden, it is 2:00 AM in Chicago.

When is the best time to call Chicago from Leiden?

Both sides are at work from 4:00 PM – 6:00 PM in Leiden (9:00 AM – 11:00 AM in Chicago).

Does the time difference between Leiden and Chicago change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.