It would be midnight in Singapore as Singapore is 7 hours ahead of the UK.
Flight time from Heathrow to Singapore is 12 hours, then onward to Perth is another 5 hours
Singapore Time (UTC+8) is 7 hours ahead of British Summer Time (UTC+1) and 8 hours ahead of Greenwich Mean Time (UTC), so 10:30 AM GMT = 6:30 PM SGT, and 10:30 AM BST = 5:30 PMSGT.(British Summer Time is in effect from the last Sunday of March to the last Sunday of October.)
9 AM
Dubai (UAE) Time is 4 hours ahead of UK Time (GMT).So if it is 14:00hrs in U.K., it is 16:00hrs in U.A.E.
The UK is at (Greenwich Mean Time) GMT. Singapore is (Greenwich Mean Time) GMT +8 hours, ie. 8 hours ahead of Greenwich, England. Singapore is 8 hours ahead of the UK. (Daylight savings not taken into account.)
UK is 8 hours ahead of Singapore. (Singapore is GMT +8)Singapore Time (UTC+8) is seven hours ahead of British Summer Time (UTC+1) and eight hours ahead of Greenwich Mean Time (UTC+0).Europe observes Summer Time from the last Sunday of March until the last Sunday of October.
9 AM UK time is 4 AM Eastern Time. The UK is 5 hours ahead of Eastern Time.
Nashville is 6 hours behind the UK during Daylight Saving Time and 5 hours behind when the UK is on standard time.
Travel time from UK to UAE is approximately 10 hours.
Toronto is 5 hours behind the UK in the summer (due to Daylight Saving Time) and 6 hours behind in the winter.
Singapore is (Greenwich Mean Time) GMT +8 hours, ie. 8 hours ahead of Greenwich, England. Auckland is (Greenwich Mean Time) GMT +12 hours, ie. 12 hours ahead of Greenwich, England. Singapore is 4 hours behind Auckland. (Daylight savings not taken into account.) New Zealand is 5 hrs. ahead of Singapore from the last Sun. of Sept. until the 1st Sun. of April.
The time required for flight between the above places is 14 hrs. Average speed of 500 miles/hour is used to calculate the time. This time is inclusive of the landing and take off times. However, the time required for the baggage and security checking has not been added. The actual time may change depending on the flight path chosen.