If you telephone Perth Australia from London now what is the time in Perth?

It is not possible to accurately determine the current time in Perth, Australia based solely on the information provided. The time difference between London and Perth depends on factors such as the time of year, daylight saving time, and specific time zone adjustments. To get the most accurate and up-to-date information, it's best to refer to a reliable source, such as a world clock or time zone converter that takes into account the current date and time.