Updating current time…
AMT
12am
3am
6am
9am
12pm
3pm
6pm
9pm
IST
UTC+5:30
9h 30m ahead
12am
3am
6am
9am
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9pm

Quick answers

Selected conversion

8:00 am08:00 AMT (UTC-4), Oct 18, 2026 = 5:30 pm17:30 IST (UTC+5:30), Oct 18, 2026

AMT is 9 hours and 30 minutes behind IST.

AMT and IST examples

These examples always use AMT (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.

AMT is 9 hours and 30 minutes behind IST.

How the time difference changes

AMT is 9 hours and 30 minutes behind IST year-round.

Working hours of 9:00 am to 6:00 pm in AMT correspond to 6:30 pm to 3:30 am (next day) in IST.Working hours of 09:00 to 18:00 in AMT correspond to 18:30 to 03:30 (next day) in IST.

Compare AMT time with IST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Amazon Time is 9 hours and 30 minutes behind India Standard Time.
8:00 am08:00 in AMT is 5:30 pm17:30 in IST

AMT to IST call time
Best time for a conference call or a meeting is between 8:30am-9:30am08:30-09:30 in AMT 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 Amazon Time (AMT). Offset UTC -4:00 hours
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours

8:00 am08:00 AMT / 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.

Hourly time comparison
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Amazon Time

Offset: AMT is 4 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Brazil

Principal Cities: The largest city in the AMT time zone is Manaus in Brazil, with about 2.22 million people. Other major cities in this time zone include Campo Grande, Cuiabá, Porto Velho, Boa Vista.

Daylight Saving: Clocks in Amazon Time (AMT) do not change for daylight saving time, so AMT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.

AMT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -04 - basic short
  • -0400 - basic
  • -04:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -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.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Quebec - Military abbreviation for AMT
  • Q - short form of 'Quebec'
AMT Abbreviation: Several time zones share AMT abbreviation and it could refer to these time zones
  • Armenia Time - UTC +4
  • Amazon Time - UTC -4
Time zones with the GMT -4 offset:
  • 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

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +0530 - basic
  • +05:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +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.
IANA/Olson: Reflects IST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Calcutta
  • Asia/Kolkata
IST Abbreviation: Several time zones share IST abbreviation and it could refer to these time zones
  • India Standard Time - UTC +5:30
  • Irish Standard Time - UTC +1
  • Israel Standard Time - UTC +2