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GST to HST converter

HST is 14 hours behind of GST today. GST (Gulf Standard Time) - currently UTC+4; HST (Hawaii Standard Time) - currently UTC−10.

The 09:00-18:00 workdays in GST and HST don't overlap at all, so one side always works early or late. Quick answers: 9 AM GST = 7 PM HST (previous day), 12 PM GST = 10 PM HST (previous day), 5 PM GST = 3 AM HST.

GST · Gulf Standard Time

UTC+4

HST · Hawaii Standard Time

UTC−10

Convert a time

HST
--:--

Working hours side by side

columns: GST hours
PING · 09–18 local MAYBE · 07–09, 18–21 NOT NOW · 21–07Outlined: everyone can be pinged

GST to HST conversion table

GSTHSTVerdict in HST
12 AM · 00:0010 AM · 10:00 (previous day)PING
1 AM · 01:0011 AM · 11:00 (previous day)PING
2 AM · 02:0012 PM · 12:00 (previous day)PING
3 AM · 03:001 PM · 13:00 (previous day)PING
4 AM · 04:002 PM · 14:00 (previous day)PING
5 AM · 05:003 PM · 15:00 (previous day)PING
6 AM · 06:004 PM · 16:00 (previous day)PING
7 AM · 07:005 PM · 17:00 (previous day)PING
8 AM · 08:006 PM · 18:00 (previous day)MAYBE
9 AM · 09:007 PM · 19:00 (previous day)MAYBE
10 AM · 10:008 PM · 20:00 (previous day)MAYBE
11 AM · 11:009 PM · 21:00 (previous day)NOT NOW
12 PM · 12:0010 PM · 22:00 (previous day)NOT NOW
1 PM · 13:0011 PM · 23:00 (previous day)NOT NOW
2 PM · 14:0012 AM · 00:00NOT NOW
3 PM · 15:001 AM · 01:00NOT NOW
4 PM · 16:002 AM · 02:00NOT NOW
5 PM · 17:003 AM · 03:00NOT NOW
6 PM · 18:004 AM · 04:00NOT NOW
7 PM · 19:005 AM · 05:00NOT NOW
8 PM · 20:006 AM · 06:00NOT NOW
9 PM · 21:007 AM · 07:00MAYBE
10 PM · 22:008 AM · 08:00MAYBE
11 PM · 23:009 AM · 09:00PING

Cities on GST

Asia/Dubai
DubaiAbu DhabiSharjahAl Ain CityAjmanDayrah

Cities on HST

Pacific/Honolulu
HonoluluEast HonoluluPearl CityWaiau-Pacific PalisadesMakakilo / Kapolei / Honokai HaleKalihi-Palama

Other conversions

All converters
HST → GSTGST → ESTGST → EDTGST → PSTGST → PDTGST → CSTGST → CDTGST → MSTGST → GMTGST → UTCGST → BST

Questions

What is the time difference between GST and HST?

HST (Hawaii Standard Time) is 14 hours behind of GST (Gulf Standard Time) right now: UTC+4 versus UTC−10.

What is 9 AM GST in HST?

9:00 AM GST is 7 PM HST (previous day).

What is 5 PM GST in HST?

5:00 PM GST is 3 AM HST.

Does daylight saving change the GST–HST difference?

GST has no daylight saving; it stays UTC+4 all year. HST has no daylight saving; it stays UTC−10 all year.