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WGST
Western Greenland Summer Time
GMT -1
12am
3am
6am
9am
12pm
3pm
6pm
9pm
IST
India Standard Time
GMT +5:30
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

11:00 am11:00 WGST (UTC-1), Oct 6, 2026 = 5:30 pm17:30 IST (UTC+5:30), Oct 6, 2026

WGST is 6 hours and 30 minutes behind IST.

WGST and IST examples

These examples always use WGST (UTC-1) 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.

WGST is 6 hours and 30 minutes behind IST.

How the time difference changes

For most of the year, WGST is 6 hours and 30 minutes behind IST. At other times of the year, WGT is 7 hours and 30 minutes behind IST.

For most of the year, working hours of 9:00 am to 5:00 pm in WGST correspond to 3:30 pm to 11:30 pm in IST. At other times of the year, working hours of 9:00 am to 5:00 pm in WGT correspond to 4:30 pm to 12:30 am (next day) in IST.For most of the year, working hours of 09:00 to 17:00 in WGST correspond to 15:30 to 23:30 in IST. At other times of the year, working hours of 09:00 to 17:00 in WGT correspond to 16:30 to 00:30 (next day) in IST.

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

Time Difference

Western Greenland Summer Time is 6 hours and 30 minutes behind India Standard Time.
11:00 am11:00 in WGST is 5:30 pm17:30 in IST

WGST to IST call time
Best time for a conference call or a meeting is between 9am-10:30am09:00-10:30 in WGST which corresponds to 3:30pm-5pm15:30-17:00 in IST

11:00 am11:00 Western Greenland Summer Time (WGST). Offset UTC -1:00 hours
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours

11:00 am11:00 WGST / 5:30 pm17:30 IST

WGSTIST
12:00am6:30am
1:00am7:30am
2:00am8:30am
3:00am9:30am
4:00am10:30am
5:00am11:30am
6:00am12:30pm
7:00am1:30pm
8:00am2:30pm
9:00am3:30pm
10:00am4:30pm
11:00am5:30pm
12:00pm6:30pm
1:00pm7:30pm
2:00pm8:30pm
3:00pm9:30pm
4:00pm10:30pm
5:00pm11:30pm
6:00pm12:30am
7:00pm1:30am
8:00pm2:30am
9:00pm3:30am
10:00pm4:30am
11:00pm5:30am
00:0006:30
01:0007:30
02:0008:30
03:0009:30
04:0010:30
05:0011:30
06:0012:30
07:0013:30
08:0014:30
09:0015:30
10:0016:30
11:0017:30
12:0018:30
13:0019:30
14:0020:30
15:0021:30
16:0022:30
17:0023:30
18:0000:30
19:0001:30
20:0002:30
21:0003:30
22:0004:30
23:0005:30

Western Greenland Summer Time

Offset: WGST is 1 hour behind Greenwich Mean Time (GMT) and is used in North America

WGST Time Zone Geo Map
WGST timezone map

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

Start: Western Greenland Summer Time (WGST) started on Saturday, March 28, 2026 at 11:00 pm23:00 local time and clocks were set one hour forward to Sunday, March 29, 2026, 12:00 am00:00. Daylight saving starts annually on the last Saturday of March.

Daylight saving time clock moves back for one hourEnd: Western Greenland Summer Time (WGST) ends on Sunday, October 25, 2026 at 12:00 am00:00 local time and clocks are 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.

See 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

India Standard Time

Offset: IST is 5 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia

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, Bangalore, Chennai, Kolkata.

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 Time Zone Geo Map
IST timezone map

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