WST/WT
Western Sahara Summer Time
GMT +1
12am
3am
6am
9am
12pm
3pm
6pm
9pm
WT is not used on this date
This converter uses WST (GMT +1), the offset El Aaiun uses on this date. Open the WST converter.
IST
India Standard Time
GMT +5:30
12am
3am
6am
9am
12pm
3pm
6pm
9pm

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

Time Difference

Western Sahara Summer Time is 4 hours and 30 minutes behind India Standard Time
1:00 pm13:00 in WST is 5:30 pm17:30 in IST

WST to IST call time
Best time for a conference call or a meeting is between 9am-12:30pm in WST which corresponds to 1:30pm-5pm in IST

1:00 pm13:00 Western Sahara Summer Time (WST). Offset UTC +1:00 hour
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours

1:00 pm13:00 WST / 5:30 pm17:30 IST

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

Western Sahara Standard Time

Offset: WT is 0 hours ahead Greenwich Mean Time (GMT) and is used in Africa

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Western Sahara Summer Time (WST).

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Western Sahara Standard Time (WT) ended on Sunday, April 6, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, April 6, 2025, 3:00 am local daylight time instead. Standard time ends annually on the first Sunday of April.

Daylight saving time clock moves back for one hour from 3am to 2amStart: Western Sahara Standard Time (WT) starts on Sunday, February 15, 2026 at 3:00 am local time and clocks are set one hour back to Sunday, February 15, 2026, 2:00 am. Standard time starts annually on the third Sunday of February.

WT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
  • +00 - basic short
  • +0000 - basic
  • +00:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates the zero UTC/GMT offset.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Zulu - Military abbreviation for WT
  • Z - short form of 'Zulu'
Time zones with the GMT +0 offset:
  • EGST - Eastern Greenland Summer Time
  • GMT - Greenwich Mean Time
  • WET - Western European Time
  • AZOST - Azores Summer Time
  • UTC - Universal Time Coordinated
  • WT - Western Sahara Standard Time
  • Z - Zulu 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, Kolkata, Chennai.

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.

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