Mumbai ChicagoTime Converter

Mumbai (IST, UTC+5:30) is currently 10 hours 30 minutes ahead of Chicago (CDT, UTC−5). Compare live clocks, convert any hour, and find times to meet.

Live DST-aware Shareable URLs
 
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Quick answer

When it's in Mumbai, it's the previous day in Chicago.

Mumbai (IST) runs 10 hours 30 minutes ahead of Chicago (CST/CDT). A 9-to-5 workday on one side lands in the other side's evening or night, so the two cities share almost no normal working hours — edge-of-day calls are the trick.

Time difference
−10h 30m
Mumbai
UTC+5:30
Chicago
UTC−5
Best call window
Outside 9–6
Hour by hour

Mumbai to Chicago conversion table

The next 12 hours in Mumbai and the matching local time in Chicago. The current hour is highlighted; drag the converter's slider and the table follows.

Hourly conversion from Mumbai to Chicago
Mumbai · IST Chicago · CDT Chicago status
NOW
Mon, Jun 22
Mon, Jun 22
Day
Mon, Jun 22
Mon, Jun 22
DayWork hours
Mon, Jun 22
Mon, Jun 22
DayWork hours
Mon, Jun 22
Mon, Jun 22
DayWork hours
Mon, Jun 22
Mon, Jun 22
DayWork hours
Tue, Jun 23
Mon, Jun 22
DayWork hours
Tue, Jun 23
Mon, Jun 22
DayWork hours
Tue, Jun 23
Mon, Jun 22
DayWork hours
Tue, Jun 23
Mon, Jun 22
DayWork hours
Tue, Jun 23
Mon, Jun 22
DayWork hours
Tue, Jun 23
Mon, Jun 22
Night
Tue, Jun 23
Mon, Jun 22
Night
Meeting planner

Best time to meet between Mumbai & Chicago

Working hours are 9am–6pm in each city. The bright band is where they overlap — when both sides are at their desks.

Mumbai IST
Chicago CDT
Both in business hours Business hours (9–18) Morning / evening Night Now
Business hours (9:00 AM – 6:00 PM) in Mumbai and Chicago do not overlap. When it is 9:00 AM in Mumbai, it is already 10:30 PM the previous day in Chicago — schedule around early mornings or late evenings instead.
Good to know

Daylight saving shifts this gap by up to 1 hour

The difference between Mumbai and Chicago swings between 11.5 and 10.5 hours across the year as each side starts or ends daylight saving. Mumbai does not observe daylight saving time. Clocks in Chicago move back 1 hour to CST (UTC−6) on Sunday, November 1, 2026. This page always shows the live, DST-aware difference.

Built for humans and machines

One source of truth — for you and your AI

This page exposes the same answer as structured data, so when you ask an assistant "what's 9am Mumbai time in Chicago?", it can cite the exact, DST-aware result — not a stale blog post.

  • Schema.org JSON-LD on every converter page
  • A machine-readable facts island with IANA zones and every possible offset
  • Live times in <time datetime> elements with explicit UTC offsets
JSON #timezone-pair-data · embedded in this page
{
  "pair": "Mumbai → Chicago",
  "url": "https://worldclock.pro/en/convert/mumbai-to-chicago",
  "from": {
    "name": "Mumbai",
    "type": "city",
    "abbreviation": "IST",
    "daylightAbbreviation": null,
    "iana": "Asia/Kolkata",
    "standardUtcOffset": "+05:30",
    "daylightUtcOffset": null,
    "referenceCity": "Mumbai"
  },
  "to": {
    "name": "Chicago",
    "type": "city",
    "abbreviation": "CST",
    "daylightAbbreviation": "CDT",
    "iana": "America/Chicago",
    "standardUtcOffset": "-06:00",
    "daylightUtcOffset": "-05:00",
    "referenceCity": "Chicago"
  },
  "currentDifferenceMinutes": -630,
  "possibleDifferencesMinutes": [
    -690,
    -630
  ],
  "note": "Between the regions that use these zones the difference is 11.5 and 10.5 hours across the year, depending on daylight saving on each side. The clocks on this page show the named zones themselves, which are fixed."
}

Frequently asked questions

What is the time difference between Mumbai and Chicago?

Mumbai is currently 10 hours 30 minutes ahead of Chicago. Mumbai is on IST (UTC+5:30) and Chicago is on CDT (UTC−5). The difference can change when either side starts or ends daylight saving time.

Is Chicago ahead of or behind Mumbai?

Chicago is currently 10 hours 30 minutes behind Mumbai.

When it is 9:00 AM in Mumbai, what time is it in Chicago?

When it is 9:00 AM on a Monday in Mumbai, it is 10:30 PM the previous day in Chicago.

Do Mumbai and Chicago observe daylight saving time?

Mumbai does not observe daylight saving time. Clocks in Chicago move back 1 hour to CST (UTC−6) on Sunday, November 1, 2026.

How do I convert Mumbai time to Chicago time?

Subtract 10 hours 30 minutes from any time in Mumbai to get the time in Chicago. This page's converter and 24-hour table do it automatically and stay correct through daylight-saving changes.

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