HADT to IST Converter
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
2:00 am02:00 HST (UTC-10), Nov 14, 2026 = 5:30 pm17:30 IST (UTC+5:30), Nov 14, 2026
HST is 15 hours and 30 minutes behind IST.
HADT and IST examples
These examples always use HADT (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.
HADT is 14 hours and 30 minutes behind IST.
How the time difference changes
For most of the year, HADT is 14 hours and 30 minutes behind IST. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, HST is 15 hours and 30 minutes behind IST.
For most of the year, working hours of 9:00 am to 6:00 pm in HADT correspond to 11:30 pm to 8:30 am (next day) in IST. At other times of the year, working hours of 9:00 am to 6:00 pm in HST correspond to 12:30 am (next day) to 9:30 am (next day) in IST.For most of the year, working hours of 09:00 to 18:00 in HADT correspond to 23:30 to 08:30 (next day) in IST. At other times of the year, working hours of 09:00 to 18:00 in HST correspond to 00:30 (next day) to 09:30 (next day) in IST.
Compare HADT time with IST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Hawaii Standard Time is 15 hours and 30 minutes behind India Standard Time.
2:00 am02:00 in HST is 5:30 pm17:30 in IST
HST to IST call time
Best time for a conference call or a meeting is between 5:30pm-6pm17:30-18:00 in HST which corresponds to 9am-9:30am09:00-09:30 in IST (next day).
2:00 am02:00 Hawaii Standard Time (HST). Offset UTC -10:00 hours
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
2:00 am02:00 HST / 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.
| HST | IST |
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Hawaii-Aleutian Daylight Time
Offset: HADT is 9 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: United States
Today the shaded areas are on UTC−10 (HST).
Daylight Saving: Hawaii-Aleutian Daylight Time (HADT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Hawaii-Aleutian Standard Time (HAST).
End: Hawaii-Aleutian Daylight Time (HADT) ended on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the first Sunday of November.
Start: Hawaii-Aleutian Daylight Time (HADT) starts on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.
See USA daylight saving time and upcoming clock changes worldwide.
HADT representations, usage and related time zones
- -09 - basic short
- -0900 - basic
- -09:00 - extended
- -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.
- Victor - Military abbreviation for HADT
- V - short form of 'Victor'
- AKST - Alaska Standard Time
- AHDT - Alaska-Hawaii Daylight Time
- HADT - Hawaii-Aleutian Daylight Time
- GAMT - Gambier Time
- HDT - Hawaii-Aleutian 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
- +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