GST to UTC-8 time converter

UTC-8 is 12 hours behind GST. When it is 9:00 AM in GST, it is 9:00 PM (Mon, Oct 19) in UTC-8.

GST UTC+4

Tuesday, October 20, 2026

UTC-8 UTC-8

Monday, October 19, 2026

GST
Gulf Standard Time
Tue, Oct 20
UTC+4
UTC-8
Mon, Oct 19
UTC-8-12h
Finding your time zone…
Shared working hours (9:00–18:00)

GST to UTC-8 conversion table

Every hour of today in GST and the matching time in UTC-8. Light rows are typical working hours (9:00–18:00).

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 9:00 AM – 10:00 AM in GST (9:00 PM – 10:00 PM in UTC-8): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference stays 12 hours all year.

More conversions

UTC-8 to GSTGST to UTCGST to GMTGST to ESTGST to CSTGST to MSTGST to PSTGST to CETGST to MSKGST to PKTGST to ISTGST to SGTGST to PHT
UTC to UTC-8GMT to UTC-8EST to UTC-8CST to UTC-8MST to UTC-8PST to UTC-8CET to UTC-8MSK to UTC-8PKT to UTC-8IST to UTC-8SGT to UTC-8PHT to UTC-8

Questions and answers

What is the time difference between GST and UTC-8?

UTC-8 is 12 hours behind GST.

What time is it in UTC-8 when it is 9 AM in GST?

When it is 9:00 AM in GST, it is 9:00 PM (Mon, Oct 19) in UTC-8.

When is the best time to call UTC-8 from GST?

Working hours don't overlap fully. The closest fit is 9:00 AM – 10:00 AM in GST (9:00 PM – 10:00 PM in UTC-8): working hours on one side, early or late on the other.

Does the time difference between GST and UTC-8 change?

No. The difference stays 12 hours all year.