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IST
12am
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6am
9am
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6pm
9pm
WGT/WGST
UTC−2
7h 30m behind
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9am
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9pm
WGST is not used on this date.

This converter uses WGT (UTC−2), as in Godthab.

Quick answers

Selected conversion

5:30 pm17:30 IST (UTC+5:30), Nov 5, 2026 = 10:00 am10:00 WGT (UTC-2), Nov 5, 2026

IST is 7 hours and 30 minutes ahead of WGT.

IST and WGST examples

These examples always use IST (UTC+5:30) and WGST (UTC-1). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

IST is 6 hours and 30 minutes ahead of WGST.

How the time difference changes

For most of the year, IST is 6 hours and 30 minutes ahead of WGST. From Oct 25, 2026 to Mar 27, 2027, and from Oct 31, 2027 to Mar 25, 2028, IST is 7 hours and 30 minutes ahead of WGT.

For most of the year, working hours of 9:00 am to 6:00 pm in IST correspond to 2:30 am to 11:30 am in WGST. At other times of the year, working hours of 9:00 am to 6:00 pm in IST correspond to 1:30 am to 10:30 am in WGT.For most of the year, working hours of 09:00 to 18:00 in IST correspond to 02:30 to 11:30 in WGST. At other times of the year, working hours of 09:00 to 18:00 in IST correspond to 01:30 to 10:30 in WGT.

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

Time Difference

India Standard Time is 7 hours and 30 minutes ahead of West Greenland Time.
5:30 pm17:30 in IST is 10:00 am10:00 in WGT

IST to WGT call time
Best time for a conference call or a meeting is between 4:30pm-6pm16:30-18:00 in IST which corresponds to 9am-10:30am09:00-10:30 in WGT

5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
10:00 am10:00 West Greenland Time (WGT). Offset UTC -2:00 hours

5:30 pm17:30 IST / 10:00 am10:00 WGT

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
ISTWGT
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16:30 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.

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

Western Greenland Summer Time

Offset: WGST is 1 hour behind Greenwich Mean Time (GMT).

Countries using this time zone: Greenland

Principal Cities: The largest city in the WGST time zone is Nuuk in Greenland, with about 14,798 people. Other major cities in this time zone include Sisimiut, Ilulissat, Qaqortoq, Aasiaat.

Map of the areas on Western Greenland Summer Time (WGST)
WGST part of the year

Today the shaded areas are on UTC−2.

Daylight Saving: Western Greenland Summer Time (WGST) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe West Greenland Time (WGT).

123456789101112End: Western Greenland Summer Time (WGST) ended on Sunday, October 25, 2026 at 12:00 am00:00 local time and clocks were set one hour back to Saturday, October 24, 2026, 11:00 pm23:00 local standard time instead. Daylight saving ends annually on the last Sunday of October.

123456789101112Start: Western Greenland Summer Time (WGST) starts on Saturday, March 27, 2027 at 11:00 pm23:00 local time and clocks are set one hour forward to Sunday, March 28, 2027, 12:00 am00:00.

See Greenland daylight saving time and upcoming clock changes worldwide.

WGST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -01 - basic short
  • -0100 - basic
  • -01:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0100 - sign character (-) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates an offset of one hour to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • November - Military abbreviation for WGST
  • N - short form of 'November'
Time zones with the GMT -1 offset:
  • EGT - East Greenland Time
  • WGST - Western Greenland Summer Time
  • AZOT - Azores Time
  • CVT - Cape Verde Time
  • N - November Time Zone