Sumter to Chicago time converter

Chicago is 1 hour behind Sumter. When it is 9:00 AM in Sumter, it is 8:00 AM in Chicago.

Sumter EDT

Saturday, October 17, 2026

Chicago CDT

Saturday, October 17, 2026

Sumter
South Carolina, United States
Sat, Oct 17
EDTUTC-4
Chicago
Illinois, United States
Sat, Oct 17
CDTUTC-5-1h
Finding your time zone…
Shared working hours (9:00–18:00)

Sumter to Chicago conversion table

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

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

Best time to call or meet

Both sides are at work from 10:00 AM – 6:00 PM in Sumter (9:00 AM – 5:00 PM in Chicago).

Daylight saving time and the difference

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

  • Oct 17, 2026 – Nov 1, 2026: -1h
  • Nov 1, 2026 – Nov 1, 2026: ±0
  • Nov 1, 2026 – Mar 14, 2027: -1h
  • Mar 14, 2027 – Mar 14, 2027: -2h
  • Mar 14, 2027 – Oct 17, 2027: -1h

Distance

Sumter and Chicago are 1,089 km (677 miles) apart in a straight line.

More conversions

Chicago to SumterSumter to New YorkSumter to LondonSumter to Los AngelesSumter to TorontoSumter to São PauloSumter to ParisSumter to BerlinSumter to MoscowSumter to DubaiSumter to New DelhiSumter to BangkokSumter 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 Sumter and Chicago?

Chicago is 1 hour behind Sumter.

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

When it is 9:00 AM in Sumter, it is 8:00 AM in Chicago.

When is the best time to call Chicago from Sumter?

Both sides are at work from 10:00 AM – 6:00 PM in Sumter (9:00 AM – 5:00 PM in Chicago).

Does the time difference between Sumter 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.