Updating current time…
PortugalAZOT
UTC−1
12am
3am
6am
9am
12pm
3pm
6pm
9pm
IST
UTC+5:30
6h 30m ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

11:00 am11:00 AZOT (UTC-1), Oct 27, 2026 = 5:30 pm17:30 IST (UTC+5:30), Oct 27, 2026

Ribeira Seca is 6 hours and 30 minutes behind IST.

How the time difference changes

For most of the year, Ribeira Seca is 5 hours and 30 minutes behind IST. From Oct 25, 2026 to Mar 28, 2027, Ribeira Seca is 6 hours and 30 minutes behind IST.

For most of the year, working hours of 9:00 am to 6:00 pm in Ribeira Seca correspond to 2:30 pm to 11:30 pm in IST. At other times of the year, working hours of 9:00 am to 6:00 pm in Ribeira Seca correspond to 3:30 pm to 12:30 am (next day) in IST.For most of the year, working hours of 09:00 to 18:00 in Ribeira Seca correspond to 14:30 to 23:30 in IST. At other times of the year, working hours of 09:00 to 18:00 in Ribeira Seca correspond to 15:30 to 00:30 (next day) in IST.

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

Time Difference

AZOT (Azores Time) is 6 hours and 30 minutes behind India Standard Time.
11:00 am11:00 in Ribeira Seca, Portugal is 5:30 pm17:30 in IST

Ribeira Seca to IST call time
Best time for a conference call or a meeting is between 9am-11:30am09:00-11:30 in Ribeira Seca which corresponds to 3:30pm-6pm15:30-18:00 in IST

11:00 am11:00 AZOT (Azores Time) (Ribeira Seca, Portugal). Offset UTC -1:00 hours
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours

11:00 am11:00 Ribeira Seca, Portugal / 5:30 pm17:30 IST

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Hourly time comparison
Ribeira Seca, PortugalIST
6:30am
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11:30am
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12:30am next day
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Ribeira Seca Time Zone and Facts

Time Zone

Abbreviation / Offset
AZOT – Azores Time, UTC-1 (now)
AZOST – Azores Summer Time, UTC+0 (daylight saving time)
Daylight Saving Time Starts
123456789101112Sunday, March 28, 2027 at 12:00 amSunday, March 28, 2027 at 00:00: clocks go forward 1 hour to 1:00 am01:00 (AZOST). DST starts on the last Sunday of March each year. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
123456789101112Sunday, October 31, 2027 at 1:00 amSunday, October 31, 2027 at 01:00: clocks go back 1 hour to 12:00 am00:00 (AZOT). DST ends on the last Sunday of October each year. Also called Fall Back or Winter Time.

Ribeira Seca Facts

Country
Portugal
Population
2,950
Currency
Euro (EUR)
Geographic Coordinates
37° 49' N Latitude / 25° 31' W Longitude
International Dialing Code
+351

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