Chicago to South Suffolk time converter

South Suffolk is 1 hour ahead of Chicago. When it is 9:00 AM in Chicago, it is 10:00 AM in South Suffolk.

Chicago CDT

Monday, October 19, 2026

South Suffolk EDT

Tuesday, October 20, 2026

Chicago
Illinois, United States
Mon, Oct 19
CDTUTC-5
South Suffolk
Virginia, United States
Tue, Oct 20
EDTUTC-4+1h
Finding your time zone…
Shared working hours (9:00–18:00)

Chicago to South Suffolk conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 19, 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 19, 2027: +1h

Distance

Chicago and South Suffolk are 1,109 km (689 miles) apart in a straight line.

More conversions

South Suffolk to ChicagoChicago to New YorkChicago to LondonChicago to Los AngelesChicago to TorontoChicago to São PauloChicago to ParisChicago to BerlinChicago to MoscowChicago to DubaiChicago to New DelhiChicago to BangkokChicago to Singapore
New York to South SuffolkLondon to South SuffolkLos Angeles to South SuffolkToronto to South SuffolkSão Paulo to South SuffolkParis to South SuffolkBerlin to South SuffolkMoscow to South SuffolkDubai to South SuffolkNew Delhi to South SuffolkBangkok to South SuffolkSingapore to South Suffolk

Questions and answers

What is the time difference between Chicago and South Suffolk?

South Suffolk is 1 hour ahead of Chicago.

What time is it in South Suffolk when it is 9 AM in Chicago?

When it is 9:00 AM in Chicago, it is 10:00 AM in South Suffolk.

When is the best time to call South Suffolk from Chicago?

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

Does the time difference between Chicago and South Suffolk change?

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