WST to IST Converter
Quick answers
WST is 4 hours and 30 minutes behind IST. WST uses GMT +1, and IST uses GMT +5:30 for this comparison.
For example, 1:00 pm WST is 5:30 pm IST. Use the converter above to adjust the date or time and create a shareable meeting link.
Best meeting overlap: 9am-12:30pm WST, which is 1:30pm-5pm IST.
Compare WST 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
| WST | IST |
|---|---|
| 12am (midnight) | 4:30 am |
| 1am | 5:30 am |
| 2am | 6:30 am |
| 3am | 7:30 am |
| 4am | 8:30 am |
| 5am | 9:30 am |
| 6am | 10:30 am |
| 7am | 11:30 am |
| 8am | 12:30 pm |
| 9am | 1:30 pm |
| 10am | 2:30 pm |
| 11am | 3:30 pm |
| 12pm (noon) | 4:30 pm |
| 1pm | 5:30 pm |
| 2pm | 6:30 pm |
| 3pm | 7:30 pm |
| 4pm | 8:30 pm |
| 5pm | 9:30 pm |
| 6pm | 10:30 pm |
| 7pm | 11:30 pm |
| 8pm | 12:30 am |
| 9pm | 1:30 am |
| 10pm | 2:30 am |
| 11pm | 3:30 am |
| 00:00 | 04:30 |
| 01:00 | 05:30 |
| 02:00 | 06:30 |
| 03:00 | 07:30 |
| 04:00 | 08:30 |
| 05:00 | 09:30 |
| 06:00 | 10:30 |
| 07:00 | 11:30 |
| 08:00 | 12:30 |
| 09:00 | 13:30 |
| 10:00 | 14:30 |
| 11:00 | 15:30 |
| 12:00 | 16:30 |
| 13:00 | 17:30 |
| 14:00 | 18:30 |
| 15:00 | 19:30 |
| 16:00 | 20:30 |
| 17:00 | 21:30 |
| 18:00 | 22:30 |
| 19:00 | 23:30 |
| 20:00 | 00:30 |
| 21:00 | 01:30 |
| 22:00 | 02:30 |
| 23:00 | 03:30 |
Western Sahara Summer Time
Offset: WST is 1 hour ahead Greenwich Mean Time (GMT) and is used in Africa
Daylight Saving: Western Sahara Summer Time (WST) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Western Sahara Standard Time (WT).
Start: Western Sahara Summer Time (WST) started 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. Daylight saving starts annually on the first Sunday of April
End: Western Sahara Summer Time (WST) ends 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 local standard time instead. Daylight saving ends annually on the third Sunday of February
WST representations, usage and related time zones
- +01 - basic short
- +0100 - basic
- +01:00 - extended
- +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 east of the zero meridian.
- Alpha - Military abbreviation for WST
- A - short form of 'Alpha'
- Western Sahara Summer Time - UTC +1
- West Samoa Time - UTC +13
- BST - British Summer Time
- CET - Central European Time
- IST - Irish Standard Time
- WEST - Western European Summer Time
- A - Alpha Time Zone
- CET - Central European Time
- MEZ - Mitteleuropäische Zeit
- WAT - West Africa Time
- WST - Western Sahara Summer Time
- BMT - Biel Mean Time
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 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