HST to GST time converter

GST is 14 hours ahead of HST. When it is 9:00 AM in HST, it is 11:00 PM in GST.

HST UTC-10

Friday, October 16, 2026

GST UTC+4

Saturday, October 17, 2026

HST
Hawaii-Aleutian Standard Time
Fri, Oct 16
UTC-10
GST
Gulf Standard Time
Sat, Oct 17
UTC+4+14h
Finding your time zone…
Shared working hours (9:00–18:00)

HST to GST conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 5:00 PM – 6:00 PM in HST (7:00 AM – 8:00 AM in GST): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference stays 14 hours all year.

More conversions

GST to HSTHST to UTCHST to GMTHST to ESTHST to CSTHST to MSTHST to PSTHST to CETHST to MSKHST to PKTHST to ISTHST to SGTHST to PHT
UTC to GSTGMT to GSTEST to GSTCST to GSTMST to GSTPST to GSTCET to GSTMSK to GSTPKT to GSTIST to GSTSGT to GSTPHT to GST

Questions and answers

What is the time difference between HST and GST?

GST is 14 hours ahead of HST.

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

When it is 9:00 AM in HST, it is 11:00 PM in GST.

When is the best time to call GST from HST?

Working hours don't overlap fully. The closest fit is 5:00 PM – 6:00 PM in HST (7:00 AM – 8:00 AM in GST): working hours on one side, early or late on the other.

Does the time difference between HST and GST change?

No. The difference stays 14 hours all year.