Chicago to West Islip time converter

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

Chicago CDT

Sunday, October 18, 2026

West Islip EDT

Sunday, October 18, 2026

Chicago
Illinois, United States
Sun, Oct 18
CDTUTC-5
West Islip
New York, United States
Sun, Oct 18
EDTUTC-4+1h
Finding your time zone…
Shared working hours (9:00–18:00)

Chicago to West Islip conversion table

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

ChicagoWest Islip
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 West Islip).

Daylight saving time and the difference

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

  • Oct 18, 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 18, 2027: +1h

Distance

Chicago and West Islip are 1,204 km (748 miles) apart in a straight line.

More conversions

West Islip 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 West IslipLondon to West IslipLos Angeles to West IslipToronto to West IslipSão Paulo to West IslipParis to West IslipBerlin to West IslipMoscow to West IslipDubai to West IslipNew Delhi to West IslipBangkok to West IslipSingapore to West Islip

Questions and answers

What is the time difference between Chicago and West Islip?

West Islip is 1 hour ahead of Chicago.

What time is it in West Islip when it is 9 AM in Chicago?

When it is 9:00 AM in Chicago, it is 10:00 AM in West Islip.

When is the best time to call West Islip from Chicago?

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

Does the time difference between Chicago and West Islip change?

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