CLST 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
9:00 am09:00 CLST (UTC-3), Oct 24, 2026 = 5:30 pm17:30 IST (UTC+5:30), Oct 24, 2026
CLST is 8 hours and 30 minutes behind IST.
CLST and IST examples
These examples always use CLST (UTC-3) 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.
CLST is 8 hours and 30 minutes behind IST.
How the time difference changes
For most of the year, CLST is 8 hours and 30 minutes behind IST. From Apr 4 to Sep 5, 2027, CLT is 9 hours and 30 minutes behind IST.
For most of the year, working hours of 9:00 am to 6:00 pm in CLST correspond to 5:30 pm to 2:30 am (next day) in IST. At other times of the year, working hours of 9:00 am to 6:00 pm in CLT correspond to 6:30 pm to 3:30 am (next day) in IST.For most of the year, working hours of 09:00 to 18:00 in CLST correspond to 17:30 to 02:30 (next day) in IST. At other times of the year, working hours of 09:00 to 18:00 in CLT correspond to 18:30 to 03:30 (next day) in IST.
Compare CLST time with IST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Chile Summer Time is 8 hours and 30 minutes behind India Standard Time.
9:00 am09:00 in CLST is 5:30 pm17:30 in IST
CLST to IST call time
Best time for a conference call or a meeting is between 9am-9:30am09:00-09:30 in CLST which corresponds to 5:30pm-6pm17:30-18:00 in IST
9:00 am09:00 Chile Summer Time (CLST). Offset UTC -3:00 hours
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
9:00 am09:00 CLST / 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.
| CLST | IST |
|---|---|
| 8:30am | |
| 9:30am | |
| 10:30am | |
| 11:30am | |
| 12:30pm | |
| 1:30pm | |
| 2:30pm | |
| 3:30pm | |
| 4:30pm | |
| 5:30pm | |
| 6:30pm | |
| 7:30pm | |
| 8:30pm | |
| 9:30pm | |
| 10:30pm | |
| 11:30pm | |
| 12:30am next day | |
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| 08:30 | |
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| 18:30 | |
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| 00:30 next day | |
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| 05:30 next day | |
| 06:30 next day | |
| 07:30 next day |
Chile Summer Time
Offset: CLST is 3 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Chile
Principal Cities: The largest city in the CLST time zone is Santiago in Chile, with about 4.837 million people. Other major cities in this time zone include Antofagasta, Viña del Mar, Valparaíso, Puerto Montt.
Today all shaded areas are on CLST.
Daylight Saving: Chile Summer Time (CLST) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Chile Standard Time (CLT).
Start: Chile Summer Time (CLST) started on Sunday, September 6, 2026 at 12:00 am00:00 local time and clocks were set one hour forward to Sunday, September 6, 2026, 1:00 am01:00.
End: Chile Summer Time (CLST) ends on Sunday, April 4, 2027 at 12:00 am00:00 local time and clocks are set one hour back to Saturday, April 3, 2027, 11:00 pm23:00 local standard time instead.
See Chile daylight saving time and upcoming clock changes worldwide.
CLST representations, usage and related time zones
- -03 - basic short
- -0300 - basic
- -03:00 - extended
- -0300 - sign character (-) followed by a four digit time providing hours (03) and minutes (00) of the offset. Indicates an offset of three hours to the west of the zero meridian.
- Papa - Military abbreviation for CLST
- P - short form of 'Papa'
- ADT - Atlantic Daylight Time
- PMT - Pierre & Miquelon Standard Time
- PMST - Pierre & Miquelon Standard Time
- AMST - Amazon Summer Time
- ART - Argentina Time
- BRT - Brasilia Time
- CLST - Chile Summer Time
- FKST - Falkland Islands Summer Time
- FKT - Falkland Islands Time
- GFT - French Guiana Time
- P - Papa Time Zone
- PYST - Paraguay Summer Time
- PYT - Paraguay Time
- SRT - Suriname Time
- UYT - Uruguay 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