CDT Caribbean to IST Converter
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Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
8:00 am08:00 CDT (UTC-4), Oct 27, 2026 = 5:30 pm17:30 IST (UTC+5:30), Oct 27, 2026
CDT is 9 hours and 30 minutes behind IST.
CDT and IST examples
These examples always use CDT (UTC-4) and IST (UTC+5:30). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
CDT is 9 hours and 30 minutes behind IST.
How the time difference changes
For most of the year, CDT Caribbean is 9 hours and 30 minutes behind IST. From Nov 1, 2026 to Mar 14, 2027, CST Caribbean is 10 hours and 30 minutes behind IST.
For most of the year, working hours of 9:00 am to 6:00 pm in CDT Caribbean correspond to 6:30 pm to 3:30 am (next day) in IST. At other times of the year, working hours of 9:00 am to 6:00 pm in CST Caribbean correspond to 7:30 pm to 4:30 am (next day) in IST.For most of the year, working hours of 09:00 to 18:00 in CDT Caribbean correspond to 18:30 to 03:30 (next day) in IST. At other times of the year, working hours of 09:00 to 18:00 in CST Caribbean correspond to 19:30 to 04:30 (next day) in IST.
Compare CDT time with IST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Cuba Daylight Time is 9 hours and 30 minutes behind India Standard Time.
8:00 am08:00 in CDT is 5:30 pm17:30 in IST
CDT to IST call time
Best time for a conference call or a meeting is between 8:30am-9:30am08:30-09:30 in CDT which corresponds to 6pm-7pm18:00-19:00 in IST. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
8:00 am08:00 Cuba Daylight Time (CDT). Offset UTC -4:00 hours
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
8:00 am08:00 CDT / 5:30 pm17:30 IST
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
| CDT | IST |
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| 9:30am | |
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Cuba Daylight Time
Offset: CDT is 4 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Cuba
Principal Cities: The largest city in the CDT time zone is Havana in Cuba, with about 2.164 million people. Other major cities in this time zone include Santiago de Cuba, Camagüey, Holguín, Guantánamo.
Today all shaded areas are on CDT.
Daylight Saving: Cuba Daylight Time (CDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Cuba Standard Time (CST).
Start: Cuba Daylight Time (CDT) started on Sunday, March 8, 2026 at 12:00 am00:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 1:00 am01:00. Daylight saving starts annually on the second Sunday of March.
End: Cuba Daylight Time (CDT) ends on Sunday, November 1, 2026 at 1:00 am01:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 12:00 am00:00 local standard time instead. Daylight saving ends annually on the first Sunday of November.
See Cuba daylight saving time and upcoming clock changes worldwide.
CDT representations, usage and related time zones
- -04 - basic short
- -0400 - basic
- -04:00 - extended
- -0400 - sign character (-) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates an offset of four hours to the west of the zero meridian.
- Quebec - Military abbreviation for CDT
- Q - short form of 'Quebec'
- America/Havana
- Cuba
- Central Daylight Time - UTC -5
- Cuba Daylight Time - UTC -4
- AST - Atlantic Standard Time
- EDT - Eastern Daylight Time
- AMT - Amazon Time
- BOT - Bolivia Time
- CDT - Cuba Daylight Time
- CLT - Chile Standard Time
- GYT - Guyana Time
- HLV - Hora Legal de Venezuela
- Q - Quebec Time Zone
- VET - Venezuelan Standard Time
India Standard Time
Offset: IST is 5 hours and 30 minutes ahead of Greenwich Mean Time (GMT).
Countries using this time zone: India
Principal Cities: The largest city in the IST time zone is Mumbai in India, with about 12.692 million people. Other major cities in this time zone include Delhi, Bengaluru, Hyderabad, Ahmedabad.
Daylight Saving: Clocks in India Standard Time (IST) do not change for daylight saving time, so IST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
Current time in India: India time now
IST representations, usage and related time zones
- +0530 - basic
- +05:30 - extended
- +0530 - sign character (+) followed by a four digit time providing hours (05) and minutes (30) of the offset. Indicates an offset of five hours and thirty minutes to the east of the zero meridian.
- Asia/Calcutta
- Asia/Kolkata
- India Standard Time - UTC +5:30
- Irish Standard Time - UTC +1
- Israel Standard Time - UTC +2