Coordinated Universal Time (utc) is used in United Kingdom. The IANA timezone identifier is UTC.

SYDNEY to UTC Time Converter

Q: Where is sydney used?

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

SYDNEY (Sydney) → Coordinated Universal Time

SYDNEY = UTC+10UTC = UTC+0

ClockinSync

BASE

09:00

Work Clients Team +

00:0006:0012:0018:0024:00

UTC (London)

United Kingdom · -9h

00:00

New York

USA · -14h

19:00-1 day

Tokyo

Japan · -1h

08:00

Dubai

United Arab Emirates · -6h

03:00

Paris

France · -8h

01:00

How far apart are Sydney and UTC (London)?

Sydney is 10 hours ahead of UTC (London). When Sydney clocks hit noon, UTC (London) reads 02:00.

Sydney observes Australia/Sydney and UTC (London) observes Europe/London — a 10 hours gap between them.

Daily overlap window

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

Optimal meeting slots

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

16:00 Sydney / 06:00 London⚡ One side off-hours

⚠️ 3h before working hours in London

19:00 Sydney / 09:00 London⚡ One side off-hours

⚠️ 3h after working hours in Sydney

15:00 Sydney / 05:00 London⚡ One side off-hours

⚠️ 4h before working hours in London

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

Holiday calendar for both locations

Sydney7 holidays

Aug 3Picnic Day

Sep 28King's Birthday

Oct 5Labour Day

Oct 5King's Birthday

Nov 3Melbourne Cup

UTC (London)

No upcoming public holidays this year.

Working across Sydney and UTC (London)

Coordinating between Sydney (Australia) and UTC (London) (United Kingdom) means working around a 10-hour time difference. Since standard business hours don't naturally overlap, meetings usually require one side to shift slightly outside their normal working day.

💡 Best practice for cross-timezone meetings

⚡

16:00–17:00 in Sydney corresponds to 06:00–07:00 in UTC (London) (3h before working hours in London).

⚡

19:00–20:00 in Sydney corresponds to 09:00–10:00 in UTC (London) (3h after working hours in Sydney).

⚡

15:00–16:00 in Sydney corresponds to 05:00–06:00 in UTC (London) (4h before working hours in London).

Since there is no natural overlap, the options above represent the most balanced compromise, minimizing out-of-hours inconvenience for both sides.

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 Sydney time instantly. You can also type natural language like "3pm", "15:00", or a location name to get an immediate answer.

SYDNEY (Sydney) ↔ UTC (London)

No overlap — one side will join outside working hours

SYDNEY (Sydney)

UTC (London)