IST to AZOST Converter
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Quick answers
Selected conversion
5:30 pm17:30 IST (UTC+5:30), Oct 13, 2026 = 12:00 pm12:00 AZOST (UTC+0), Oct 13, 2026
IST is 5 hours and 30 minutes ahead of AZOST.
IST and AZOST examples
These examples always use IST (UTC+5:30) and AZOST (UTC+0). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
IST is 5 hours and 30 minutes ahead of AZOST.
How the time difference changes
For most of the year, IST is 5 hours and 30 minutes ahead of AZOST. From Oct 25, 2026 to Mar 28, 2027, IST is 6 hours and 30 minutes ahead of AZOT.
For most of the year, working hours of 9:00 am to 5:00 pm in IST correspond to 3:30 am to 11:30 am in AZOST. At other times of the year, working hours of 9:00 am to 5:00 pm in IST correspond to 2:30 am to 10:30 am in AZOT.For most of the year, working hours of 09:00 to 17:00 in IST correspond to 03:30 to 11:30 in AZOST. At other times of the year, working hours of 09:00 to 17:00 in IST correspond to 02:30 to 10:30 in AZOT.
Compare IST time with AZOST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
India Standard Time is 5 hours and 30 minutes ahead of Azores Summer Time.
5:30 pm17:30 in IST is 12:00 pm12:00 in AZOST
IST to AZOST call time
Best time for a conference call or a meeting is between 2:30pm-5pm14:30-17:00 in IST which corresponds to 9am-11:30am09:00-11:30 in AZOST
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
12:00 pm12:00 Azores Summer Time (AZOST). Offset UTC 0:00 hours
5:30 pm17:30 IST / 12:00 pm12:00 AZOST
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 | AZOST |
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| 6:30pm 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.
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
Azores Summer Time
Offset: AZOST is the same as Greenwich Mean Time (GMT).
Countries using this time zone: Portugal
Principal Cities: The largest city in the AZOST time zone is Ponta Delgada in Portugal, with about 20,056 people. Other major cities in this time zone include Lagoa, Angra do Heroísmo, Rabo de Peixe, Horta.
Today all shaded areas are on AZOST.
Daylight Saving: Azores Summer Time (AZOST) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Azores Time (AZOT).
Start: Azores Summer Time (AZOST) started on Sunday, March 29, 2026 at 12:00 am00:00 local time and clocks were set one hour forward to Sunday, March 29, 2026, 1:00 am01:00. Daylight saving starts annually on the last Sunday of March.
End: Azores Summer Time (AZOST) ends on Sunday, October 25, 2026 at 1:00 am01:00 local time and clocks are set one hour back to Sunday, October 25, 2026, 12:00 am00:00 local standard time instead. Daylight saving ends annually on the last Sunday of October.
AZOST representations, usage and related time zones
- Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
- +00 - basic short
- +0000 - basic
- +00:00 - extended
- +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates the zero UTC/GMT offset.
- Zulu - Military abbreviation for AZOST
- Z - short form of 'Zulu'
- EGST - Eastern Greenland Summer Time
- GMT - Greenwich Mean Time
- WET - Western European Time
- AZOST - Azores Summer Time
- UTC - Coordinated Universal Time
- WT - Western Sahara Standard Time
- Z - Zulu Time Zone