Meeting Time Planner

Best time to call London from Sydney

London is 9 hours behind Sydney. Your working days don't overlap, so someone has to move.

Sydney
00:55
Australia
at build
London
15:55
United Kingdom
Sydney UTC+10:00 GMT+10London UTC+01:00 GMT+1

Your least-bad options

There is no 9–6 overlap. Stretching to 07:00–21:00 on both sides gives you 16:00–21:00 Sydney time:
16:00 you → 07:00 London
17:00 you → 08:00 London
18:00 you → 09:00 London

Your working day in London time

09:00→00:00outside London working hours
10:00→01:00outside London working hours
11:00→02:00outside London working hours
12:00→03:00outside London working hours
13:00→04:00outside London working hours
14:00→05:00outside London working hours
15:00→06:00outside London working hours
16:00→07:00outside London working hours
17:00→08:00outside London working hours

Working hours assumed 09:00–18:00 local. Offsets include daylight saving where it applies, so this shifts through the year.