HST to GST Converter

GST is 14 hours ahead of HST. 9:00 AM HST = 11:00 PM GST.

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HSTfrom
Hawaii-Aleutian Standard Time
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Gulf Standard Time
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GST is 14 hours ahead of HST. To convert HST to GST, add 14 hours to the HST time: 9:00 AM HST = 11:00 PM GST.

HST (Hawaii-Aleutian Time) is used in Hawaii (all year, no daylight saving time). GST (Gulf Time) is used in United Arab Emirates and Oman.

HST to GST time conversion table

HST to GST on 6 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.

12 AM – 7 AM HST
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 AM – 3 PM HST
HSTGST
8:00 AM10:00 PM
9:00 AM11:00 PM
10:00 AM12:00 AM+1
11:00 AM1:00 AM+1
12:00 PM2:00 AM+1
1:00 PM3:00 AM+1
2:00 PM4:00 AM+1
3:00 PM5:00 AM+1
4 PM – 11 PM HST
HSTGST
4:00 PM6:00 AM+1
5:00 PM7:00 AM+1
6:00 PM8:00 AM+1
7:00 PM9:00 AM+1
8:00 PM10:00 AM+1
9:00 PM11:00 AM+1
10:00 PM12:00 PM+1
11:00 PM1:00 PM+1

Conversion table from HST to GST for 6 Nov 2026. A tick marks hours that fall between 9 AM and 5 PM in both places. +1 means the next day in GST, −1 the previous day.

  • ✓ marks 9 AM–5 PM in both places
  • Greyed times are night in the destination (10 PM–6 AM)

How to convert HST to GST

Add 14 hours to the HST time to get GST.

Example: 9:00 AM HST = 11:00 PM GST.

Across midnight: 10:00 PM HST = 12:00 PM GST (next day). The date changes, so always check the day as well as the hour.

Time difference between HST and GST

The time difference between HST and GST is 14 hours all year – GST is ahead of HST.

HST and GST during daylight saving time

  • HST does not observe daylight saving time; it stays on UTC−10 all year.
  • GST does not observe daylight saving time; it stays on UTC+4 all year.

Best time for a meeting between HST and GST

HST and GST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM HST, which is 9:00 PM GST.

Plan a meeting across more time zones.

HST to GST FAQ

What is the time difference between HST and GST?

GST is 14 hours ahead of HST all year. 9:00 AM HST = 11:00 PM GST.

What is 9 AM HST in GST?

9:00 AM HST is 11:00 PM GST.

What is 12 PM (noon) HST in GST?

12:00 PM HST is 2:00 AM GST (next day).

Is GST ahead of or behind HST?

GST is 14 hours ahead of HST, so it is later in GST than in HST.

Does HST change for daylight saving time?

No. HST stays on the same offset all year, so conversions never shift for daylight saving time.

Does GST change for daylight saving time?

No. GST stays on the same offset all year, so conversions never shift for daylight saving time.

What is the best time for a meeting between HST and GST?

HST and GST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM HST, which is 9:00 PM GST.

Related conversions

Convert GST to HST

Convert HST to other time zones

Convert other time zones to GST

Learn more

Updated 6 November 2026. Time zone data: IANA tz database.