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London & Adelaide: time difference and best time to meet

7:30–8:30 am in London.
6–7 pm in Adelaide.

Adelaide is 10½ hours ahead of London today. Your working days, 9 am–6 pm, don’t overlap. At the closest fit, London starts 1½ hours early, and Adelaide stays an hour late.

It’s 12:52 am in London and 11:22 am in Adelaide.

A working day on both clocks · London time

London
7:30 amEarly
Adelaide+10½ h
6 pmLate
Closest for everyone · 7:30 amShare with someone in AdelaideSave to my boardAdd to my calendar+ Add a cityUsual hours

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Make it a board, and let them add their own hours

Example board

  • YYouNew YorkGood time
  • SSamLondonsaid yes
  • PPriyaBengaluruadded hours

Sam answered · 12:30 pm works

Best time to call Adelaide from London

Waking hours, 8 am–10 pm on each clock, overlap 8–11:30 am in London, which is 6:30–10 pm in Adelaide, and 9:30–10 pm in London, which is 8–8:30 am the next day in Adelaide.

That’s for a call outside work: catching someone before or after their working day. For a work call, the meeting hours above ask the least of both.

The year ahead

4 clock changes move the meeting this year. Each step is a week when one side has changed and the other hasn’t, or a season when the gap swaps.

Both at workLondon 9 am–6 pmAdelaide 9 am–6 pmFairest hourin London’s time

  1. Now until Sunday, March 28: Adelaide is 10½ hours ahead of London. No shared hours; the fairest is 7:30–8:30 am in London, 6–7 pm in Adelaide.
  2. From Sunday, March 28 to Sunday, April 4 (1 week): Adelaide is 9½ hours ahead of London. No shared hours; the fairest is 8–9 am in London, 5:30–6:30 pm in Adelaide.
  3. From Sunday, April 4 to Sunday, October 3 (6 months): Adelaide is 8½ hours ahead of London. No shared hours; the fairest is 8:30–9:30 am in London, 5–6 pm in Adelaide.
  4. From Sunday, October 3 to Sunday, October 31 (4 weeks): Adelaide is 9½ hours ahead of London. No shared hours; the fairest is 8–9 am in London, 5:30–6:30 pm in Adelaide.
  5. From Sunday, October 31: Adelaide is 10½ hours ahead of London. No shared hours; the fairest is 7:30–8:30 am in London, 6–7 pm in Adelaide.

Questions

What is the best time for a meeting between London and Adelaide?

7:30–8:30 am in London. 6–7 pm in Adelaide. Your working days, 9 am–6 pm, don’t overlap. At the closest fit, London starts 1½ hours early, and Adelaide stays an hour late.

What is the time difference between London and Adelaide?

Adelaide is 10½ hours ahead of London today.

When do the clocks change in London and Adelaide?

On Sunday, Mar 28 London turns its clocks forward, and the gap becomes 9½ hours. On Sunday, Apr 4 Adelaide turns its clocks back, and the gap becomes 8½ hours.

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