Convert AEST to BST
See the time difference between Australian Eastern Standard Time and British Summer Time with a live converter, hourly table, and meeting planner.
How AEST-BST Conversion Works
Convert Australian Eastern Standard Time (UTC+10) to British Summer Time (UTC+1) using the current 9-hour time difference. The converter updates automatically when BST daylight saving rules change.
Hour-by-Hour Time Table
Use the visual hour-by-hour table to compare AEST and BST across the day. Check overlapping business hours, scan the grid quickly, and export times to ICS or Google Calendar.
Schedule Meetings Across Zones
Find practical meeting times between Australia and the UK with side-by-side scheduling tools. Share plans by calendar export, including ICS downloads and quick actions for Gmail and Google Calendar.
How to Convert AEST to BST
AEST (Australian Eastern Standard Time, UTC+10) is 9 hours ahead of BST (British Summer Time, UTC+1), so this converter is built for scheduling between eastern Australia and the United Kingdom, Jersey, Guernsey, or the Isle of Man during the British summer clock period.
Looking for Bangladesh Standard Time? See /time-converter/bst-bangladesh-time-zone.
Looking for Bougainville Standard Time? See /time-converter/bst-bougainville-time-zone.
Open the converter page: Go to
https://www.xconvert.com/time-converter/aest-to-bst-converterto load a visual comparison grid with AEST and BST already set up as rows on a 24-hour timeline. This is useful when you need to line up a Sydney-side workday with a London client call, a media booking in the UK, or a handoff between Australian operations and British teams.Add comparison cities if your schedule involves more regions: Click + Add City and search for places that often connect with Australian Eastern Standard Time and British Summer Time workflows, such as London for UK headquarters, Sydney for Australia-based teams, or Manchester for regional UK operations. This helps if you are coordinating legal, consulting, ecommerce, education, or software work where one meeting may need to suit both Australia and multiple UK participants.
Select a time range on the grid: Click Select, then drag across the AEST row to highlight a block of time in purple; you can drag the center to move it or use the left and right handles to resize it. For example, dragging from 9:00 AEST to 12:00 AEST shows the BST equivalents of 0:00 to 3:00 BST, which immediately tells you that an Australian morning meeting lands at midnight to early morning in the UK and is usually unsuitable for a live business call.
Export the selected time for your team: After selecting a range, use the export options for ICS download, Google Calendar, Gmail, Copy to clipboard, or Share link. That is practical when an Australia-based account manager needs to send a confirmed slot to UK stakeholders so everyone receives the meeting in their own local calendar without manually rechecking the AEST-to-British Summer Time difference.
Understanding the AEST to BST Time Difference
British Summer Time (British Summer Time, UTC+1) is 9 hours behind AEST, and AEST is 9 hours ahead of BST. In practical terms, the converter examples are straightforward: 9:00 AEST = 0:00 BST, 12:00 AEST = 3:00 BST, 15:00 AEST = 6:00 BST, and 18:00 AEST = 9:00 BST.
This page specifically compares Australian Eastern Standard Time with British Summer Time, not with Australia’s daylight-saving clock or the UK’s winter clock. That matters because AEST is a standard-time abbreviation and its DST counterpart is AEDT, while British Summer Time is a DST abbreviation and its standard counterpart is GMT, so the time gap changes when either side switches away from these exact abbreviations.
The difference changes during parts of the year because this page is fixed to AEST on the Australia side and British Summer Time on the UK side. If your meeting falls in a period when eastern Australia is using AEDT instead of AEST, or when the UK is using GMT instead of British Summer Time, you should use the matching converter for those abbreviations rather than assuming the same 9-hour gap still applies.
AEST is used in Australia, while British Summer Time is used in the United Kingdom, Jersey, Guernsey, and the Isle of Man during the summer clock period. That makes this conversion especially relevant for cross-border work in finance, consulting, higher education, digital agencies, SaaS support, and travel coordination between Australia and the British Isles.
Best Times for Calls and Meetings Between AEST and BST
British Summer Time (British Summer Time, UTC+1) sits 9 hours behind AEST, so the most realistic overlap usually appears in the later AEST afternoon and earlier BST morning. The supplied examples show why: 15:00 AEST = 6:00 BST and 18:00 AEST = 9:00 BST, which means an Australian late-afternoon slot maps to a UK early-morning start.
For live meetings, 18:00 AEST / 9:00 BST is one of the clearest business-friendly anchor points on this page. It works well for a UK team starting the day while an Australia-based team joins near the end of standard office hours, which is common for software standups, publishing deadlines, agency reviews, and executive check-ins.
By contrast, 9:00 AEST = 0:00 BST and 12:00 AEST = 3:00 BST show that Australian morning and midday times are generally poor for same-day UK participation. If your team in Australia prefers morning meetings, the UK side would need to join at midnight or 3 a.m., which is usually only realistic for urgent incidents, overnight trading support, or time-sensitive production issues.
A practical rule for this specific converter is to start by testing 15:00 to 18:00 AEST, because that range corresponds to 6:00 to 9:00 BST in the examples. That gives UK participants a chance to join before or at the start of their workday while keeping the meeting inside a standard-time afternoon in Australia.
Frequently Asked Questions
What is the time difference between AEST and BST?
British Summer Time (British Summer Time, UTC+1) is 9 hours behind AEST (Australian Eastern Standard Time, UTC+10). Put the other way around, AEST is 9 hours ahead of BST, which is why meetings that feel normal in Australia can land very early in the UK.
When is 9 AM AEST in BST?
9:00 AEST = 0:00 BST. That means a 9 a.m. start in Australian Eastern Standard Time falls at midnight in British Summer Time, so it is usually not suitable for normal UK business-hours meetings.
Does the AEST to British Summer Time difference change during DST?
Yes, the difference can change because this page compares AEST with British Summer Time, and those are not year-round labels in both places. AEST is the standard-time abbreviation used in Australia and its daylight-saving counterpart is AEDT, while British Summer Time is the daylight-saving abbreviation and its standard counterpart is GMT.
What is the best meeting time between AEST and BST?
The most practical meeting window on this page is usually in the late afternoon in AEST, because the provided examples show that 15:00 AEST = 6:00 BST and 18:00 AEST = 9:00 BST. In real scheduling terms, 18:00 AEST / 9:00 BST is often the cleanest option for remote teams, client calls, and project handoffs between Australia and the UK.
When is 12 PM AEST in British Summer Time?
12:00 AEST = 3:00 BST. That puts an Australian lunchtime meeting in the middle of the night for British Summer Time participants, so it is generally better for asynchronous updates than for a live call.
When is 6 PM AEST in BST?
18:00 AEST = 9:00 BST. This is one of the strongest conversion points for business use because it places the meeting at the start of the UK workday while still keeping it within a manageable evening-adjacent time in Australia.
Is BST British Summer Time or Bangladesh Standard Time?
On this page, BST means British Summer Time (UTC+1). BST can also mean Bangladesh Standard Time (UTC+6), and if you need that version, use /time-converter/bst-bangladesh-time-zone; another separate meaning is Bougainville Standard Time on its own dedicated page.