World Timezones

Chicago to Istanbul Converter

Compare Istanbul to Chicago instead

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Offset

8 hours

Chicago (CDT) is currently behind Istanbul (GMT+3).

CDT: UTC-5

GMT+3: UTC+3

Chicago is currently observing daylight saving time; Istanbul is not.

When to schedule

Business-hours overlap: 9 AM–10 AM in Chicago (5 PM–6 PM in Istanbul).

Both teams are in working hours during this window on weekdays.

Suggested time: 9:00 AM Chicago (5:00 PM Istanbul).

This window may shift by an hour during daylight saving time.

About these zones

Chicago uses Central Time (CST, or CDT).

Istanbul uses Turkey Time (TRT).

Chicago and Istanbul are approximately 5,500 miles apart.

Quick reference

Full 24-hour conversion table.

ChicagoIstanbulDay
12:00 am8:00 amSame day
1:00 am9:00 amSame day
2:00 am10:00 amSame day
3:00 am11:00 amSame day
4:00 am12:00 pmSame day
5:00 am1:00 pmSame day
6:00 am2:00 pmSame day
7:00 am3:00 pmSame day
8:00 am4:00 pmSame day
9:00 am5:00 pmSame day
10:00 am6:00 pmSame day
11:00 am7:00 pmSame day
12:00 pm8:00 pmSame day
1:00 pm9:00 pmSame day
2:00 pm10:00 pmSame day
3:00 pm11:00 pmSame day
4:00 pm12:00 am+1 day
5:00 pm1:00 am+1 day
6:00 pm2:00 am+1 day
7:00 pm3:00 am+1 day
8:00 pm4:00 am+1 day
9:00 pm5:00 am+1 day
10:00 pm6:00 am+1 day
11:00 pm7:00 am+1 day

Daylight saving time

Chicago observes daylight saving time; Istanbul does not. The offset between the two zones changes when Chicago transitions: on Sunday, November 1, 2026, clocks fall back from CDT to CST.

Daylight today

Chicago
Sunrise
5:22 AM
Sunset
8:16 PM
Day length
14h 54m
Istanbul
Sunrise
5:38 AM
Sunset
8:26 PM
Day length
14h 48m

Daylight overlap: 7h 5m — 5:22 AM–12:26 PM in Chicago (1:22 PM–8:26 PM in Istanbul). Both locations are in daylight during this window.

Cities in these zones

Airports in these zones

Airports in Central Time

  • GYY
  • MDW
  • ORD
  • HOU
  • IAH
  • SAT
  • DAL
  • DFW
  • AUS
  • BNA

Airports in Turkey Time

  • IST
  • SAW
  • ESB
  • YEI
  • ADB
  • GZT
  • DIY
  • ADA
  • COV
  • ASR

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