BST to Perth
+7hBST
BSTSOURCEPerth
AWSTGreen rows indicate typical business hours (9 AM - 5 PM)
BST and AWST on the World Map
The map below highlights the BST (British Summer Time) and AWST (Australian Western Standard Time) timezone regions across the globe.
BST – British Summer Time
UTC+01:00British Summer Time (BST, UTC+01:00) is the daylight saving period in the United Kingdom, running from late March to late October.
- •BST runs from the last Sunday in March to the last Sunday in October.
- •BST is exactly one hour ahead of GMT, the UK's standard time.
- •During BST, London is 4 hours ahead of New York while the US is on Eastern Daylight Time.
- •The Isle of Man and the Channel Islands also observe BST.
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.
About Perth
WikipediaPerth operates on Australian Western Time (AWST), UTC+8 with no daylight saving. As Australia's mining capital, Perth coordinates with Asian markets.
Western Australia does not observe daylight saving time.
Understanding the +7h Gap: BST vs Perth
BST runs on British Summer Time (BST) at UTC+01:00. Perth runs on Australian Western Standard Time (AWST) at UTC+08:00. That puts BST 7 hours ahead of Perth — a difference of +7h at the current offsets.
In practice, when it is 9:00 AM in BST it is 4:00 PM in Perth. Midnight in BST is 7:00 AM in Perth. Neither zone observes daylight saving time, so the offset between them stays constant all year.
BST to Perth time conversion table
| BST (BST) | Perth (AWST) | Day |
|---|---|---|
| 12:00 AM | 7:00 AM | same day |
| 6:00 AM | 1:00 PM | same day |
| 7:00 AM | 2:00 PM | same day |
| 8:00 AM | 3:00 PM | same day |
| 9:00 AM | 4:00 PM | same day |
| 12:00 PM | 7:00 PM | same day |
| 3:00 PM | 10:00 PM | same day |
| 5:00 PM | 12:00 AM | next day |
| 6:00 PM | 1:00 AM | next day |
| 9:00 PM | 4:00 AM | next day |
Why people convert BST to Perth time
- Scheduling a call from BST to Perth: a 10:00 AM start in BST lands at 5:00 PM in Perth, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both BST and Perth are inside the 9-to-5 working day between 9:00 AM and 10:00 AM BST time (4:00 PM–5:00 PM AWST). That is roughly 1 hours of usable overlap.
- Booking travel or deliveries: tracking Perth local time against BST keeps pickup windows and arrival estimates honest across the +7h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM BST" is unambiguous; "3 PM" across a +7h gap is not.
- Block 9:00 AM–10:00 AM BST as the recurring meeting window if you work primarily from BST and need Perth colleagues present.
About BST (British Summer Time)
British Summer Time (BST) is the daylight saving period in the United Kingdom, when clocks move one hour forward from Greenwich Mean Time (GMT, UTC+00:00) to UTC+01:00. It runs from the last Sunday in March to the last Sunday in October. England, Scotland, Wales and Northern Ireland all follow it, along with the Isle of Man and the Channel Islands of Jersey and Guernsey. During BST, London is one hour ahead of UTC, four hours ahead of New York on Eastern Daylight Time, and five hours ahead of New York once the United States returns to Eastern Standard Time in November. BST is also used to abbreviate Bangladesh Standard Time (UTC+06:00), which is listed separately on this site.
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.
Best time to call between BST and Perth
Both BST and Perth sit inside the 9 AM – 5 PM working day between 9:00 AM–10:00 AM BST, which is 4:00 PM–5:00 PM AWST. That gives roughly 1 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
BST and Perth overlap for only 60 minutes (9:00 AM–10:00 AM BST), so meetings have to be booked precisely.
BST is 7 hours ahead of Perth (BST UTC+01:00 → AWST UTC+08:00). The shared working window is 9:00 AM–10:00 AM BST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
BST
☀ Currently in DST
Standard: UTC+00:00 · DST: UTC+01:00
Clocks fall back on Sun, Oct 25, 2026
Perth
Does not observe DST
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 BST and Perth?
BST (BST, UTC+01:00) is 7 hours ahead of Perth (AWST, UTC+08:00). The gap is currently +7h.
How do I convert BST time to Perth time?
Add +7h to BST local time. For example, 9:00 AM in BST is 4:00 PM in Perth.
What time is it in Perth right now?
Perth uses AWST at UTC+08:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +7h offset from BST.
What is the best time to call Perth from BST?
Call between 9:00 AM and 10:00 AM BST — that maps to 4:00 PM–5:00 PM AWST and keeps both parties inside the working day.
Which is ahead, BST or Perth?
BST is 7 hours ahead of Perth. When it is 12:00 PM in BST it is 7:00 PM in Perth.
Do BST and Perth use different time zones?
BST uses BST at UTC+01:00, while Perth (Australia) uses AWST at UTC+08:00. The IANA identifiers are Europe/London and Australia/Perth.
Does daylight saving time affect the BST–Perth difference?
Neither zone observes daylight saving time, so the +7h offset between BST and Perth is fixed all year.
Which other cities share BST's time zone?
BST also covers London, Birmingham, Manchester, Glasgow, Edinburgh, Cardiff, Belfast, Liverpool and 2 more.
Which countries use BST, BST's zone?
BST is used in United Kingdom.
Is there a day difference between BST and Perth?
Not normally. The +7h gap only pushes the date over for late-evening times.
What is the time difference between BST and Perth?
Perth is +7h from BST.
What timezone is BST in?
BST operates on its local timezone.
What timezone is Perth in?
Perth operates on Australian Western Time (AWST), UTC+8 with no daylight saving. As Australia's mining capital, Perth coordinates with Asian markets.
What are the business hours in Perth?
Standard business hours in Perth are 9:00 AM - 5:00 PM AWST.
Which countries use BST (British Summer Time)?
BST is used in United Kingdom.
Does BST observe daylight saving time?
Yes, BST switches to BST during summer months.
What are some interesting facts about BST?
BST runs from the last Sunday in March to the last Sunday in October. BST is exactly one hour ahead of GMT, the UK's standard time.
Which cities are in the AWST timezone?
Major cities in the AWST timezone include Perth, Mandurah, Bunbury, Geraldton.
What is the UTC offset for AWST?
Australian Western Standard Time (AWST) is at UTC+08:00.
What should I know about the AWST timezone?
Western Australia does not observe daylight saving time. Perth is the most isolated major city in the world.
When is it midnight in BST, what time is it in Perth?
When it is 12:00 AM (midnight) in BST (BST), it is +7h later in Perth (AWST).
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