Chicago to Patna time converter

Patna is 10 hours 30 minutes ahead of Chicago. When it is 9:00 AM in Chicago, it is 7:30 PM in Patna.

Chicago CDT

Sunday, October 18, 2026

Patna IST

Sunday, October 18, 2026

Chicago
Illinois, United States
Sun, Oct 18
CDTUTC-5
Patna
Bihar, India
Sun, Oct 18
ISTUTC+5:30+10h 30m
Finding your time zone…
Shared working hours (9:00–18:00)

Chicago to Patna conversion table

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

ChicagoPatna
12:00 AM10:30 AM
1:00 AM11:30 AM
2:00 AM12:30 PM
3:00 AM1:30 PM
4:00 AM2:30 PM
5:00 AM3:30 PM
6:00 AM4:30 PM
7:00 AM5:30 PM
8:00 AM6:30 PM
9:00 AM7:30 PM
10:00 AM8:30 PM
11:00 AM9:30 PM
12:00 PM10:30 PM
1:00 PM11:30 PM
2:00 PM12:30 AM+1 day
3:00 PM1:30 AM+1 day
4:00 PM2:30 AM+1 day
5:00 PM3:30 AM+1 day
6:00 PM4:30 AM+1 day
7:00 PM5:30 AM+1 day
8:00 PM6:30 AM+1 day
9:00 PM7:30 AM+1 day
10:00 PM8:30 AM+1 day
11:00 PM9:30 AM+1 day

Best time to call or meet

Working hours don't overlap fully. The closest fit is 9:00 AM – 11:30 AM in Chicago (7:30 PM – 10:00 PM in Patna): 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 Patna switch clocks on different dates:

  • Oct 18, 2026 – Nov 1, 2026: +10h 30m
  • Nov 1, 2026 – Mar 14, 2027: +11h 30m
  • Mar 14, 2027 – Oct 18, 2027: +10h 30m

Distance

Chicago and Patna are 12,479 km (7,754 miles) apart in a straight line.

More conversions

Patna 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 PatnaLondon to PatnaLos Angeles to PatnaToronto to PatnaSão Paulo to PatnaParis to PatnaBerlin to PatnaMoscow to PatnaDubai to PatnaNew Delhi to PatnaBangkok to PatnaSingapore to Patna

Questions and answers

What is the time difference between Chicago and Patna?

Patna is 10 hours 30 minutes ahead of Chicago.

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

When it is 9:00 AM in Chicago, it is 7:30 PM in Patna.

When is the best time to call Patna from Chicago?

Working hours don't overlap fully. The closest fit is 9:00 AM – 11:30 AM in Chicago (7:30 PM – 10:00 PM in Patna): working hours on one side, early or late on the other.

Does the time difference between Chicago and Patna change?

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