Updating current time…
HDT
12am
3am
6am
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9pm
HDT is not used on this date
This converter keeps HDT at UTC−9. Honolulu uses HST (UTC−10) on this date. Open the HST converter, or choose Honolulu, Pearl City, or Hilo for city-specific time.
IST
UTC+5:30
14h 30m ahead
12am
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9am
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9pm

Quick answers

Selected conversion

3:00 am03:00 HDT (UTC-9), Oct 17, 2026 = 5:30 pm17:30 IST (UTC+5:30), Oct 17, 2026

HDT is 14 hours and 30 minutes behind IST.

HDT and IST examples

These examples always use HDT (UTC-9) 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.

HDT is 14 hours and 30 minutes behind IST.

How the time difference changes

HDT is 14 hours and 30 minutes behind IST year-round.

Working hours of 9:00 am to 6:00 pm in HDT correspond to 11:30 pm to 8:30 am (next day) in IST.Working hours of 09:00 to 18:00 in HDT correspond to 23:30 to 08:30 (next day) in IST.

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

Time Difference

Hawaii Daylight Time is 14 hours and 30 minutes behind India Standard Time.
3:00 am03:00 in HDT is 5:30 pm17:30 in IST

HDT to IST call time
Best time for a conference call or a meeting is between 6pm-7pm18:00-19:00 in HDT which corresponds to 8:30am-9:30am08:30-09:30 in IST (next day). Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.

3:00 am03:00 Hawaii Daylight Time (HDT). Offset UTC -9:00 hours
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours

3:00 am03:00 HDT / 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
HDTIST
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Hawaii Daylight Time

Offset: HDT is 9 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: United States

Map of the areas on Hawaii Daylight Time (HDT)
HDT part of the year

Today all shaded areas are on HDT.

HDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -09 - basic short
  • -0900 - basic
  • -09:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0900 - sign character (-) followed by a four digit time providing hours (09) and minutes (00) of the offset. Indicates an offset of nine hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Victor - Military abbreviation for HDT
  • V - short form of 'Victor'
IANA/Olson: Reflects HDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Adak
  • America/Atka
  • US/Aleutian
Time zones with the GMT -9 offset:
  • AKST - Alaska Standard Time
  • AHDT - Alaska-Hawaii Daylight Time
  • HADT - Hawaii-Aleutian Daylight Time
  • GAMT - Gambier Time
  • HDT - Hawaii Daylight Time
  • V - Victor Time Zone

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