GST to SST time converter

SST is 15 hours behind GST. When it is 9:00 AM in GST, it is 6:00 PM (Thu, Oct 15) in SST.

GST UTC+4

Friday, October 16, 2026

SST UTC-11

Friday, October 16, 2026

Gulf Standard Time
Fri, Oct 16
UTC+4
Samoa Standard Time
Fri, Oct 16
UTC-11-15h
Finding your time zone…

11:07 PM in GST, Friday, October 16, 2026

Shared working hours (9:00–18:00)

GST to SST conversion table

Every hour of today in GST and the matching time in SST. Light rows are typical working hours (9:00–18:00).

GSTSST
12:00 AM9:00 AM−1 day
1:00 AM10:00 AM−1 day
2:00 AM11:00 AM−1 day
3:00 AM12:00 PM−1 day
4:00 AM1:00 PM−1 day
5:00 AM2:00 PM−1 day
6:00 AM3:00 PM−1 day
7:00 AM4:00 PM−1 day
8:00 AM5:00 PM−1 day
9:00 AM6:00 PM−1 day
10:00 AM7:00 PM−1 day
11:00 AM8:00 PM−1 day
12:00 PM9:00 PM−1 day
1:00 PM10:00 PM−1 day
2:00 PM11:00 PM−1 day
3:00 PM12:00 AM
4:00 PM1:00 AM
5:00 PM2:00 AM
6:00 PM3:00 AM
7:00 PM4:00 AM
8:00 PM5:00 AM
9:00 PM6:00 AM
10:00 PM7:00 AM
11:00 PM8:00 AM

Best time to call or meet

Working hours don't overlap fully. The closest fit is 7:00 AM – 9:00 AM in GST (4:00 PM – 6:00 PM in SST): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference stays 15 hours all year.

More conversions

Questions and answers

What is the time difference between GST and SST?

SST is 15 hours behind GST.

What time is it in SST when it is 9 AM in GST?

When it is 9:00 AM in GST, it is 6:00 PM (Thu, Oct 15) in SST.

When is the best time to call SST from GST?

Working hours don't overlap fully. The closest fit is 7:00 AM – 9:00 AM in GST (4:00 PM – 6:00 PM in SST): working hours on one side, early or late on the other.

Does the time difference between GST and SST change?

No. The difference stays 15 hours all year.