Chicago to Sidoarjo time converter

Sidoarjo is 12 hours ahead of Chicago. When it is 9:00 AM in Chicago, it is 9:00 PM in Sidoarjo.

Chicago CDT

Sunday, October 18, 2026

Sidoarjo WIB

Monday, October 19, 2026

Chicago
Illinois, United States
Sun, Oct 18
CDTUTC-5
Sidoarjo
Indonesia
Mon, Oct 19
WIBUTC+7+12h
Finding your time zone…
Shared working hours (9:00–18:00)

Chicago to Sidoarjo conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 9:00 AM – 10:00 AM in Chicago (9:00 PM – 10:00 PM in Sidoarjo): working hours on one side, early or late on the other.

Daylight saving time and the difference

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

  • Oct 18, 2026 – Nov 1, 2026: +12h
  • Nov 1, 2026 – Mar 14, 2027: +13h
  • Mar 14, 2027 – Oct 18, 2027: +12h

Distance

Chicago and Sidoarjo are 15,696 km (9,753 miles) apart in a straight line.

More conversions

Sidoarjo 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 SidoarjoLondon to SidoarjoLos Angeles to SidoarjoToronto to SidoarjoSão Paulo to SidoarjoParis to SidoarjoBerlin to SidoarjoMoscow to SidoarjoDubai to SidoarjoNew Delhi to SidoarjoBangkok to SidoarjoSingapore to Sidoarjo

Questions and answers

What is the time difference between Chicago and Sidoarjo?

Sidoarjo is 12 hours ahead of Chicago.

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

When it is 9:00 AM in Chicago, it is 9:00 PM in Sidoarjo.

When is the best time to call Sidoarjo from Chicago?

Working hours don't overlap fully. The closest fit is 9:00 AM – 10:00 AM in Chicago (9:00 PM – 10:00 PM in Sidoarjo): working hours on one side, early or late on the other.

Does the time difference between Chicago and Sidoarjo change?

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