built:date

BST to AEDT Converter

Convert British Summer Time (BST) to Australian Eastern Daylight Time (AEDT) in one step. Because aEDT is 10 hours ahead of BST, the math is a fixed 10 hours shift. Adjust the time or date and watch it update.

AEST is 9 hours ahead of BST+1 day
From
BST

Now in London: 6:53:59 PM BST

To
+1 day
AEST

Now in Sydney: 3:53:59 AM AEST

On this date Sydney observes AEST. AEDT is in effect during summer (daylight saving) months.

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Daylight saving notes

In southern Australia, daylight saving time runs from the first Sunday in October to the first Sunday in April. That affects Australian Eastern Daylight Time (AEDT).

BST to AEDT conversion chart

For example, a 9:00 AM BST meeting takes place at 7:00 PM AEDT. Concretely, when London (BST) and Sydney (AEDT) set up a call, aEDT is 10 hours ahead of BST.

British Summer Time to Australian Eastern Daylight Time conversion chart
BST timeAEDT time
12:00 AM10:00 AM
1:00 AM11:00 AM
2:00 AM12:00 PM
3:00 AM1:00 PM
4:00 AM2:00 PM
5:00 AM3:00 PM
6:00 AM4:00 PM
7:00 AM5:00 PM
8:00 AM6:00 PM
9:00 AM7:00 PM
10:00 AM8:00 PM
11:00 AM9:00 PM
12:00 PM10:00 PM
1:00 PM11:00 PM
2:00 PM12:00 AM+1 day
3:00 PM1:00 AM+1 day
4:00 PM2:00 AM+1 day
5:00 PM3:00 AM+1 day
6:00 PM4:00 AM+1 day
7:00 PM5:00 AM+1 day
8:00 PM6:00 AM+1 day
9:00 PM7:00 AM+1 day
10:00 PM8:00 AM+1 day
11:00 PM9:00 AM+1 day

This chart uses the fixed BST and AEDT offsets; the live converter above follows current daylight saving.

Convert BST to AEDT Time Zone

A quick guide to BST → AEDT: the time gap, the live clocks, scheduling tips, and how we keep it accurate.

How does the BST to AEDT converter work?

It takes three quick steps:

  1. Click the BST field on the left and pick the time you want to convert.
  2. The matching AEDT time updates on the right automatically — there’s no button to press.
  3. Need a different day? Click the date field and the result follows, rolling over if it crosses midnight.

How many hours apart are BST and AEDT?

AEDT is 10 hours ahead of BST. In everyday terms, once you know the time on one side you just add 10 hours to get the other — so a call between London and Sydney is always 10 hours apart.

What time is it in AEDT right now?

Right now the time in Australian Eastern Daylight Time (AEDT) is Tuesday, June 30, 2026 · 4:53:59 AM. It ticks every second, so you’re always looking at the live AEDT clock.

What time is it in BST right now?

And in British Summer Time (BST), it’s currently Monday, June 29, 2026 · 6:53:59 PM. Compare the two and the 10 hours gap is easy to see.

Planning a meeting across BST and AEDT?

For example, a 9:00 AM BST meeting takes place at 7:00 PM AEDT. The trick is to aim for a slot that lands inside normal working hours on both sides. Once you’ve found a time, hit Share on the converter to copy a link with the time built in — easy to send to a colleague. Juggling three or more zones? The meeting planner highlights the hours that overlap for everyone.

How does daylight saving affect BST to AEDT?

The labels BST and AEDT are fixed offsets, so the result on this page is always exact. Both regions move their clocks for daylight saving on roughly the same weekends, so the 10 hours gap usually holds steady right through the year.

Why can you trust this BST to AEDT converter?

Every conversion here is calculated from the IANA time zone database — the same source your phone, computer, and browser rely on. Plenty of tools hard-code a single offset, which quietly goes wrong whenever a region changes its rules or flips for daylight saving. We follow the real rules instead, so BST to AEDT stays accurate for today and for any past or future date you type in.

Convert BST to other time zones

Convert to AEDT from other time zones

Frequently asked questions

How many hours ahead of BST is AEDT?

AEDT is 10 hours ahead of BST — a fixed 10 hours difference, since both are fixed-offset labels.

What time is it in AEDT when it's 12:00 PM BST?

When it's 12:00 PM (noon) BST, it's 10:00 PM AEDT.

Do BST or AEDT use daylight saving time?

British Summer Time (BST) observes daylight saving, alternating with GMT; Australian Eastern Daylight Time (AEDT) observes daylight saving, alternating with AEST.

Why might the real-world BST–AEDT difference change during the year?

The labels BST and AEDT are fixed offsets, so this converter is always exact. But British Summer Time's region switches between standard and summer time, so for part of the year you may actually want GMT to AEDT. Always check which label a region is currently using before you schedule.