British Summer Time (bst) is used in United Kingdom. The IANA timezone identifier is Europe/London.

BST to SYDNEY Time Converter

Q: Where is sydney used?

SYDNEY (Sydney) (sydney) is used in Australia. The IANA timezone identifier is Australia/Sydney.

British Summer Time → SYDNEY (Sydney)

BST = UTC+1SYDNEY = UTC+10

⚠️ BST is ambiguous — on this page it means British Summer Time. It also refers to:

Bangladesh Standard Time (Dhaka) → SYDNEY ↗

ClockinSync

BASE

09:00

Work Clients Team +

00:0006:0012:0018:0024:00

Sydney

Australia · +9h

18:00

New York

USA · -5h

04:00

Tokyo

Japan · +8h

17:00

Dubai

United Arab Emirates · +3h

12:00

Paris

France · +1h

10:00

BST (London) to Sydney — exact time difference

BST (London) is 9 hours behind Sydney. When it's noon in BST (London), it's 21:00 in Sydney.

BST (London) observes Europe/London and Sydney observes Australia/Sydney — a 9 hours gap between them.

Working hours overlap

When BST (London) is in standard working hours, Sydney is not — and vice versa. There is no mutual business window between these two locations.

Meeting time recommendations

No business hours overlap exists between BST (London) and Sydney. Showing the most balanced options with minimal inconvenience for both locations.

07:00 London / 16:00 Sydney⚡ One side off-hours

⚠️ 2h before working hours in London

09:00 London / 18:00 Sydney⚡ One side off-hours

⚠️ 2h after working hours in Sydney

06:00 London / 15:00 Sydney⚡ One side off-hours

⚠️ 3h before working hours in London

Assumes a standard 9 AM–5 PM workday in each location's local timezone.

Public holidays this year

⚡ Upcoming holidays in both locations, confirm with your contact before booking.

BST (London)6 holidays

Jul 13Battle of the Boyne

Aug 3Summer Bank Holiday

Aug 31Summer Bank Holiday

Nov 30Saint Andrew's Day

Dec 25Christmas Day

Sydney7 holidays

Aug 3Picnic Day

Sep 28King's Birthday

Oct 5Labour Day

Oct 5King's Birthday

Nov 3Melbourne Cup

BST (London) and Sydney — practical scheduling

Working across BST (London) (United Kingdom) and Sydney (Australia) is a challenge — the 9-hour difference means no shared business hours window under a standard schedule. Flexibility from at least one side is required.

💡 Practical scheduling guidelines

⚡

07:00–08:00 in BST (London) corresponds to 16:00–17:00 in Sydney (2h before working hours in London).

⚡

09:00–10:00 in BST (London) corresponds to 18:00–19:00 in Sydney (2h after working hours in Sydney).

⚡

06:00–07:00 in BST (London) corresponds to 15:00–16:00 in Sydney (3h before working hours in London).

With no shared business hours, these slots distribute the scheduling burden as evenly as possible between both locations.

Recurring meetings are particularly vulnerable to DST shifts. The ClockinSync Chrome Extension alerts you before the offset changes.

Install ClockinSync Free →

Drag the slider at the top to convert any BST (London) time instantly. You can also type natural language like "3pm", "15:00", or a location name to get an immediate answer.

BST (London) ↔ SYDNEY (Sydney)

No overlap — one side will join outside working hours

BST (London)

SYDNEY (Sydney)

00:00

09:00Working

01:00

10:00Working

02:00

11:00Working

03:00

12:00Working

04:00

13:00Working

05:00

14:00Working

06:00

15:00Working

07:00

16:00Working

08:00

17:00

09:00Working

18:00off

10:00Working

19:00off

11:00Working

20:00off

12:00Working

21:00off

13:00Working

22:00off

14:00Working

23:00off

15:00Working

00:00+1doff

16:00Working

01:00+1doff

17:00

02:00+1d

18:00

03:00+1d

19:00

04:00+1d

20:00

05:00+1d

21:00

06:00+1d

22:00

07:00+1d

23:00

08:00+1d

Working hours: 09:00–17:00 local. Green = both working. Purple = one side only.

Frequently Asked Questions

What is the difference between bst and sydney?

British Summer Time (bst) is UTC+1 and SYDNEY (Sydney) (sydney) is UTC+10. The difference between them is 9 hours.

Where is bst used?

British Summer Time (bst) is used in United Kingdom and surrounding regions. The IANA timezone identifier is Europe/London. Note: bst is ambiguous and may refer to other timezones.

Where is sydney used?

SYDNEY (Sydney) (sydney) is used in Australia and surrounding regions. The IANA timezone identifier is Australia/Sydney.

How do I convert bst to sydney?

Use the interactive converter above. Drag the time slider to any bst time and the sydney equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.

Popular BST conversions

BST → New York BST → Tokyo BST → Dubai BST → Sydney BST → Paris BST → Berlin BST → Singapore BST → Los Angeles BST → Toronto BST → Mumbai

Popular SYDNEY conversions

London → SYDNEY New York → SYDNEY Tokyo → SYDNEY Dubai → SYDNEY Paris → SYDNEY Berlin → SYDNEY Singapore → SYDNEY Los Angeles → SYDNEY Toronto → SYDNEY Mumbai → SYDNEY