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CT to IST time converter
India is 10.5 hours ahead of US Central for 238 days of 2026, and 11.5 hours ahead of for the other 127 days, because daylight saving changes the gap.
CT to IST conversion table
Local time in US Central and the matching time in India on two reference dates, one in winter and one in summer for the northern hemisphere.
| US Central (CT) | India on 15 January | India on 15 July |
|---|---|---|
| 08:00 | 19:30 | 18:30 |
| 09:00 | 20:30 | 19:30 |
| 10:00 | 21:30 | 20:30 |
| 12:00 | 23:30 | 22:30 |
| 15:00 | 02:30 (+1 day) | 01:30 (+1 day) |
| 17:00 | 04:30 (+1 day) | 03:30 (+1 day) |
| 18:00 | 05:30 (+1 day) | 04:30 (+1 day) |
| 21:00 | 08:30 (+1 day) | 07:30 (+1 day) |
Best meeting times between US Central and India
- January: No overlap inside both working days. The closest flexible hours (07:00-21:00): 07:00-09:30 CT = 18:30-21:00 IST; 19:30-21:00 CT = 07:00-08:30 IST (+1 day).
- July: No overlap inside both working days. The closest flexible hours (07:00-21:00): 07:00-10:30 CT = 17:30-21:00 IST; 20:30-21:00 CT = 07:00-07:30 IST (+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 CT and IST
- US Central moves its clocks forward on 8 March and back on 1 November in 2026.
- India does not change its clocks in 2026.
- The gap is 10.5 hours for 238 days and 11.5 hours for 127 days of 2026.
About the two zones
US Central. US Central Time is UTC-6 in winter (CST) and UTC-5 in summer (CDT), changing together with the other US 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.
Frequently asked questions
What time is 9 AM CT in IST?
On 15 January, 09:00 in US Central is 20:30 in India. On 15 July it is 19:30.
What is the time difference between US Central and India?
India is 10.5 hours ahead of US Central for 238 days of 2026, and 11.5 hours ahead of for the other 127 days, because daylight saving changes the gap.
Does the time difference between CT and IST 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 US Central and India?
No overlap inside both working days. The closest flexible hours (07:00-21:00): 07:00-09:30 CT = 18:30-21:00 IST; 19:30-21:00 CT = 07:00-08:30 IST (+1 day). In July: No overlap inside both working days. The closest flexible hours (07:00-21:00): 07:00-10:30 CT = 17:30-21:00 IST; 20:30-21:00 CT = 07:00-07:30 IST (+1 day).
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Need the time in a scheduler? Convert a local-time cron schedule to UTC, or see which jobs a clock change affects with the DST collision simulator.