AWST to GST
-4hAWST
AWSTSOURCEGST
GSTGreen rows indicate typical business hours (9 AM - 5 PM)
AWST and GST on the World Map
The map below highlights the AWST (Australian Western Standard Time) and GST (Gulf Standard Time) timezone regions across the globe.
AWST – Australian Western Standard Time
UTC+08:00Australian Western Standard Time (AWST) is the time zone for Western Australia, 8 hours ahead of UTC.
- •Western Australia does not observe daylight saving time.
- •Perth is the most isolated major city in the world.
- •AWST is the same offset as China Standard Time and Singapore Time.
GST – Gulf Standard Time
UTC+04:00Gulf Standard Time (GST) is used in the UAE, Oman, and other Gulf states, 4 hours ahead of UTC.
- •Dubai uses GST year-round with no daylight saving time.
- •GST is 9 hours ahead of EST and 4 hours ahead of GMT.
- •The Dubai Financial Market (DFM) operates on GST.
AWST to GST Time Difference – Complete Guide
AWST runs on Australian Western Standard Time (AWST) at UTC+08:00. GST runs on Gulf Standard Time (GST) at UTC+04:00. That puts AWST 4 hours behind GST — a difference of -4h at the current offsets.
In practice, when it is 9:00 AM in AWST it is 5:00 AM in GST. Midnight in AWST is 8:00 PM in GST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
AWST to GST time conversion table
| AWST (AWST) | GST (GST) | Day |
|---|---|---|
| 12:00 AM | 8:00 PM | previous day |
| 6:00 AM | 2:00 AM | same day |
| 7:00 AM | 3:00 AM | same day |
| 8:00 AM | 4:00 AM | same day |
| 9:00 AM | 5:00 AM | same day |
| 12:00 PM | 8:00 AM | same day |
| 3:00 PM | 11:00 AM | same day |
| 5:00 PM | 1:00 PM | same day |
| 6:00 PM | 2:00 PM | same day |
| 9:00 PM | 5:00 PM | same day |
Why people convert AWST to GST time
- Scheduling a call from AWST to GST: a 10:00 AM start in AWST lands at 6:00 AM in GST, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both AWST and GST are inside the 9-to-5 working day between 1:00 PM and 5:00 PM AWST time (9:00 AM–1:00 PM GST). That is roughly 4 hours of usable overlap.
- Keeping family and friends in sync: knowing that 8:00 PM in AWST is 4:00 PM in GST makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM AWST" is unambiguous; "3 PM" across a -4h gap is not.
- Block 1:00 PM–5:00 PM AWST as the recurring meeting window if you work primarily from AWST and need GST colleagues present.
About AWST (Australian Western Standard Time)
Australian Western Standard Time (AWST) is used in Western Australia. WA does not observe daylight saving time, having rejected it in multiple referendums. Perth is the most remote major city in the world.
About GST (Gulf Standard Time)
Gulf Standard Time (GST) is the time zone used in the United Arab Emirates, Oman, and other Gulf states. GST does not observe daylight saving time. Dubai and Abu Dhabi, major international business and tourism hubs, operate on GST.
Best time to call between AWST and GST
Both AWST and GST sit inside the 9 AM – 5 PM working day between 1:00 PM–5:00 PM AWST, which is 9:00 AM–1:00 PM GST. That gives roughly 4 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
AWST and GST overlap for about 4 hours during the working day — enough for meetings if you avoid the edges of the window.
AWST is 4 hours behind GST (AWST UTC+08:00 → GST UTC+04:00). The shared working window is 1:00 PM–5:00 PM AWST. Remember to re-check around daylight-saving transitions.
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between AWST and GST?
AWST (AWST, UTC+08:00) is 4 hours behind GST (GST, UTC+04:00). The gap is currently -4h.
How do I convert AWST time to GST time?
Add -4h to AWST local time. For example, 9:00 AM in AWST is 5:00 AM in GST.
What time is it in GST right now?
GST uses GST at UTC+04:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -4h offset from AWST.
What is the best time to call GST from AWST?
Call between 1:00 PM and 5:00 PM AWST — that maps to 9:00 AM–1:00 PM GST and keeps both parties inside the working day.
Which is behind, AWST or GST?
AWST is 4 hours behind GST. When it is 12:00 PM in AWST it is 8:00 AM in GST.
Does daylight saving time affect the AWST–GST difference?
Neither zone observes daylight saving time, so the -4h offset between AWST and GST is fixed all year.
Which other cities share AWST's time zone?
AWST also covers Perth, Mandurah, Bunbury, Geraldton.
Which countries use AWST, AWST's zone?
AWST is used in Australia (Western Australia).
Is there a day difference between AWST and GST?
Not normally. The -4h gap only pushes the date over the previous day.
What is the time difference between AWST and GST?
GST is -4h from AWST.
What timezone is AWST in?
AWST operates on its local timezone.
What timezone is GST in?
GST operates on its local timezone.
Which countries use AWST (Australian Western Standard Time)?
AWST is used in Australia (Western Australia).
Does AWST observe daylight saving time?
No, AWST does not observe daylight saving time and remains at UTC+08:00 year-round.
What are some interesting facts about AWST?
Western Australia does not observe daylight saving time. Perth is the most isolated major city in the world.
Which cities are in the GST timezone?
Major cities in the GST timezone include Dubai, Abu Dhabi, Muscat, Baku, Tbilisi.
What is the UTC offset for GST?
Gulf Standard Time (GST) is at UTC+04:00.
What should I know about the GST timezone?
Dubai uses GST year-round with no daylight saving time. GST is 9 hours ahead of EST and 4 hours ahead of GMT.
When is it midnight in AWST, what time is it in GST?
When it is 12:00 AM (midnight) in AWST (AWST), it is -4h later in GST (GST).
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