IST to AMST Converter
AMST is not used on this date.
This converter uses AMT (UTC−4), as in Cuiaba.
Start by searching for a time zone, city, or town.
Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
5:30 pm17:30 IST (UTC+5:30), Oct 20, 2026 = 8:00 am08:00 AMT (UTC-4), Oct 20, 2026
IST is 9 hours and 30 minutes ahead of AMT.
IST and AMST examples
These examples always use IST (UTC+5:30) and AMST (UTC-3). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
IST is 8 hours and 30 minutes ahead of AMST.
How the time difference changes
IST is 9 hours and 30 minutes ahead of AMT year-round.
Working hours of 9:00 am to 6:00 pm in IST correspond to 11:30 pm (previous day) to 8:30 am in AMT.Working hours of 09:00 to 18:00 in IST correspond to 23:30 (previous day) to 08:30 in AMT.
Compare IST time with AMST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
India Standard Time is 9 hours and 30 minutes ahead of Amazon Time.
5:30 pm17:30 in IST is 8:00 am08:00 in AMT
IST to AMT call time
Best time for a conference call or a meeting is between 6pm-7pm18:00-19:00 in IST which corresponds to 8:30am-9:30am08:30-09:30 in AMT. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
8:00 am08:00 Amazon Time (AMT). Offset UTC -4:00 hours
5:30 pm17:30 IST / 8:00 am08:00 AMT
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.
| IST | AMT |
|---|---|
| 2:30pm previous day | |
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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
Amazon Summer Time
Offset: AMST is 3 hours behind Greenwich Mean Time (GMT).
AMST 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 AMST
- P - short form of 'Papa'
- Armenia Summer Time - UTC +5
- Amazon Summer Time - UTC -3
- 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