--:--:--
—
Chicago · Houston · Dallas
Need overlap across regions? Open the world time zone meeting planner.
Difference
IST vs CST
UTC → UTC
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—
Mumbai · Delhi · Bengaluru
CST to IST converter
CST to IST Converter
Convert CST (Chicago) to IST (Mumbai) now. Live clocks, the current time difference, and a simple meeting window — free.
America/Chicago
—
CST → IST
To · India Standard Time
—
Asia/Kolkata
Interactive diagram
Watch CST convert into IST
Drag the Central hour. Watch the India clock change.
Central
9:00 AM CST
—
IST ← CST
India
—
Full-day chart
CST to IST hourly conversion chart
Full-day table. Tap a row to copy. Labels follow daylight saving.
| Central | India | UTC offsets |
|---|
Meeting times
Best CST to IST meeting window
Find hours that work on both sides. Then save the slot to your calendar.
Follow along
Step-by-step CST to IST conversion
Four short steps to convert any CST time to IST.
Choose CST time
Select any hour in Central Standard Time. Smart mode uses America/Chicago.
CST to IST conversion guide
CST to IST conversion guide
This CST to IST converter shows India Standard Time (UTC+5:30) for any Central Standard Time (UTC−6) time. Use it to schedule between Chicago and Mumbai. Choose Smart DST for live city clocks. Choose Fixed mode when you only want the CST and IST labels.
Central
CST
UTC−6
Chicago · Houston · Dallas
CST vs IST—
India
IST
UTC+5:30
Mumbai · Delhi · Bengaluru
What is CST to IST conversion?
CST to IST conversion turns a CST clock into the matching IST time. Use it for calls, travel, and teams in Chicago and Mumbai.
CST to IST time difference
IST is 11h 30m ahead of CST. Add 11h 30m to the CST time to get IST. The live clocks at the top show the current CST to IST gap.
CST vs IST
CST is UTC−6. IST is UTC+5:30. They are different names. If a region uses daylight saving, check the live labels.
CST to IST now / current time
Need cst to ist right now? Read the live clocks, or tap Use current time for an instant CST → IST result.
CST to IST time difference
Season / context — tap to explore
See how daylight saving can change this pair.
Central—
—CST → IST
India—
Quick answers
Central
Central Standard Time (CST)
UTC−6
Central Standard Time (CST) is UTC−6. Smart DST uses the city clock America/Chicago so daylight saving stays correct for Chicago · Houston · Dallas.
- Cities: Chicago · Houston · Dallas
- City clock: America/Chicago
- Fixed CST: UTC−6
- On this page it pairs with IST (UTC+5:30)
India
India Standard Time (IST)
UTC+5:30
India Standard Time (IST) is UTC+5:30. Smart DST uses Asia/Kolkata for cities such as Mumbai · Delhi · Bengaluru.
- Cities: Mumbai · Delhi · Bengaluru
- City clock: Asia/Kolkata
- Fixed IST: UTC+5:30
- From CST: IST is 11h 30m ahead of CST
CST to IST FAQ
Common CST to IST questions
What is the CST to IST time difference?
IST is 11h 30m ahead of CST. Fixed labels: CST = UTC−6, IST = UTC+5:30. Add 11h 30m to the CST time to get IST.
How do I convert CST to IST quickly?
Add 11h 30m to the CST time to get IST. Example: 3:00 AM CST → 2:30 PM IST. Or use the live CST to IST converter above.
Is IST the same as CST?
No. CST is UTC−6 (Chicago · Houston · Dallas). IST is UTC+5:30 (Mumbai · Delhi · Bengaluru).
What is a good CST to IST meeting time?
IST is ahead. Try 7:00–11:00 AM CST. That is about 6:30 PM–10:30 PM IST. Use the meeting planner on this page to export an ICS or Google Calendar invite.
What cities use CST and IST?
CST is common in Chicago · Houston · Dallas. IST is common in Mumbai · Delhi · Bengaluru. Smart DST uses America/Chicago and Asia/Kolkata.