BST SydneyTime Converter
BST (UTC+1) is currently 9 hours behind Sydney (AEST, UTC+10). Compare live clocks, convert any hour, and find times to meet.
Best time to meet between BST and Sydney
Best meeting times:
BST: 7:00 AM – 11:00 AM
Sydney: 4:00 PM – 8:00 PM
Quick answer
When it's in BST, it's the same day in Sydney.
BST runs 9 hours behind Sydney (AEST/AEDT). A 9-to-5 workday on one side lands in the other side's evening or night, so the two cities share almost no normal working hours: edge-of-day calls are the trick.
- Time difference
- +9h 00m
- BST
- UTC+1
- Sydney
- UTC+10
- Best call window
- Outside 9–6
BST to Sydney conversion table
The next 12 hours in BST and the matching local time in Sydney. The current hour is highlighted; drag the converter's slider and the table follows.
| BST | Sydney · AEST |
|---|---|
| NOW Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Daylight saving shifts this gap by up to 2 hours
The difference between BST and Sydney swings between 9, 10 and 11 hours across the year as each side starts or ends daylight saving. BST is the daylight-saving counterpart of GMT (UTC±0). Clocks in Sydney move forward 1 hour to AEDT (UTC+11) on Sunday, October 4, 2026. This page always shows the live, DST-aware difference.
Related time zone conversions
Jump straight to another pair: every combination is a live tool, not an article.
From BST
To Sydney
One source of truth, for you and your AI
This page exposes the same answer as structured data, so when you ask an assistant "what's 9am BST time in Sydney?", it can cite the exact, DST-aware result, not a stale blog post.
- Schema.org JSON-LD on every converter page
- A machine-readable facts island with time zone identifiers and every possible offset
- Live times in <time datetime> elements with explicit UTC offsets
{
"pair": "BST → Sydney",
"url": "https://worldclock.pro/en/convert/bst-to-sydney",
"from": {
"name": "BST",
"type": "timezone",
"abbreviation": "GMT",
"daylightAbbreviation": "BST",
"iana": "Europe/London",
"standardUtcOffset": "+00:00",
"daylightUtcOffset": "+01:00",
"referenceCity": "London"
},
"to": {
"name": "Sydney",
"type": "city",
"abbreviation": "AEST",
"daylightAbbreviation": "AEDT",
"iana": "Australia/Sydney",
"standardUtcOffset": "+10:00",
"daylightUtcOffset": "+11:00",
"referenceCity": "Sydney"
},
"currentDifferenceMinutes": 540,
"possibleDifferencesMinutes": [
540,
600,
660
],
"note": "Between the regions that use these zones the difference is 9, 10 and 11 hours across the year, depending on daylight saving on each side. The clocks on this page show the named zones themselves, which are fixed."
}
Frequently asked questions
What is the time difference between BST and Sydney?
BST is currently 9 hours behind Sydney. BST is on BST (UTC+1) and Sydney is on AEST (UTC+10). The difference can change when either side starts or ends daylight saving time.
Is Sydney ahead of or behind BST?
Sydney is currently 9 hours ahead of BST.
When it is 9:00 AM in BST, what time is it in Sydney?
When it is 9:00 AM on a Friday in BST, it is 6:00 PM in Sydney.
Do BST and Sydney observe daylight saving time?
BST is the daylight-saving counterpart of GMT (UTC±0). Clocks in Sydney move forward 1 hour to AEDT (UTC+11) on Sunday, October 4, 2026.
How do I convert BST time to Sydney time?
Add 9 hours to any time in BST to get the time in Sydney. This page's converter and 24-hour table do it automatically and stay correct through daylight-saving changes.
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