Lake Ronkonkoma to Chicago time converter

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

Lake Ronkonkoma EDT

Wednesday, October 21, 2026

Chicago CDT

Wednesday, October 21, 2026

Lake Ronkonkoma
New York, United States
Wed, Oct 21
EDTUTC-4
Chicago
Illinois, United States
Wed, Oct 21
CDTUTC-5-1h
Finding your time zone…
Shared working hours (9:00–18:00)

Lake Ronkonkoma to Chicago conversion table

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

Lake RonkonkomaChicago
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 Lake Ronkonkoma (9:00 AM – 5:00 PM in Chicago).

Daylight saving time and the difference

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

  • Oct 21, 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 21, 2027: -1h

Distance

Lake Ronkonkoma and Chicago are 1,216 km (756 miles) apart in a straight line.

More conversions

Chicago to Lake RonkonkomaLake Ronkonkoma to New YorkLake Ronkonkoma to LondonLake Ronkonkoma to Los AngelesLake Ronkonkoma to TorontoLake Ronkonkoma to São PauloLake Ronkonkoma to ParisLake Ronkonkoma to BerlinLake Ronkonkoma to MoscowLake Ronkonkoma to DubaiLake Ronkonkoma to New DelhiLake Ronkonkoma to BangkokLake Ronkonkoma 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 Lake Ronkonkoma and Chicago?

Chicago is 1 hour behind Lake Ronkonkoma.

What time is it in Chicago when it is 9 AM in Lake Ronkonkoma?

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

When is the best time to call Chicago from Lake Ronkonkoma?

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

Does the time difference between Lake Ronkonkoma 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.