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IST to CT time converter
US Central is 10.5 hours behind India for 238 days of 2026, and 11.5 hours behind for the other 127 days, because daylight saving changes the gap.
IST to CT conversion table
Local time in India and the matching time in US Central on two reference dates, one in winter and one in summer for the northern hemisphere.
| India (IST) | US Central on 15 January | US Central on 15 July |
|---|---|---|
| 08:00 | 20:30 (-1 day) | 21:30 (-1 day) |
| 09:00 | 21:30 (-1 day) | 22:30 (-1 day) |
| 10:00 | 22:30 (-1 day) | 23:30 (-1 day) |
| 12:00 | 00:30 | 01:30 |
| 15:00 | 03:30 | 04:30 |
| 17:00 | 05:30 | 06:30 |
| 18:00 | 06:30 | 07:30 |
| 21:00 | 09:30 | 10:30 |
Best meeting times between India and US Central
- January: No overlap inside both working days. The closest flexible hours (07:00-21:00): 18:30-21:00 IST = 07:00-09:30 CT; 07:00-08:30 IST = 19:30-21:00 CT (-1 day).
- July: No overlap inside both working days. The closest flexible hours (07:00-21:00): 17:30-21:00 IST = 07:00-10:30 CT; 07:00-07:30 IST = 20:30-21:00 CT (-1 day).
Want to add more people? The meeting planner starts with these two zones and lets you add up to four more.
Daylight saving between IST and CT
- India does not change its clocks in 2026.
- US Central moves its clocks forward on 8 March and back on 1 November in 2026.
- The gap is 10.5 hours for 238 days and 11.5 hours for 127 days of 2026.
About the two zones
India. India uses a single time zone, UTC+5:30, all year. It does not observe daylight saving, so the gap to zones that do changes twice a year.
US Central. US Central Time is UTC-6 in winter (CST) and UTC-5 in summer (CDT), changing together with the other US zones.
Frequently asked questions
What time is 9 AM IST in CT?
On 15 January, 09:00 in India is 21:30 (-1 day) in US Central. On 15 July it is 22:30 (-1 day).
What is the time difference between India and US Central?
US Central is 10.5 hours behind India for 238 days of 2026, and 11.5 hours behind for the other 127 days, because daylight saving changes the gap.
Does the time difference between IST and CT change during the year?
Yes. US Central changes its clocks and India does not, so the gap moves between 10.5 and 11.5 hours. Always convert with the actual date.
When is the best time for a meeting between India and US Central?
No overlap inside both working days. The closest flexible hours (07:00-21:00): 18:30-21:00 IST = 07:00-09:30 CT; 07:00-08:30 IST = 19:30-21:00 CT (-1 day). In July: No overlap inside both working days. The closest flexible hours (07:00-21:00): 17:30-21:00 IST = 07:00-10:30 CT; 07:00-07:30 IST = 20:30-21:00 CT (-1 day).
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