You can quickly check the current time difference between Australia and Europe by viewing the current time zone at the top right of both countries. time zone clocks . clock symbols info

For ex. Sydney +10h versus Paris +1h, there is a difference of 9 hours, so Sydney is always 9 hours ahead of Paris in standard time. Although due to their opposite latitudes, their different time changes mean that they never coincide in standard time.

You can also refer to the 4 Time Zone Colors = Intervals that are multiples of 4 hours between the same colors.
For example, between Perth, Western Australia and London, United Kingdom (both in pink), the time difference (in standard time) will be Perth, Western Australia, 8 hours ahead of London, United Kingdom.

Time change and time difference Sydney, Australia vs. Paris, Europe

• As of (1st Sunday in October) with the start of Australian daylight saving time, Sydney is +11h while Europe (still with daylight saving time from March) Paris is +2h, so Sydney will be 9 hours ahead of Paris.

• As of (last Sunday in October) with the return to Europe standard time, Paris is +1h and Sydney is +11h, so Sydney will be 10 hours ahead of Paris, difference that is maintained until the last Sunday of March of the following year.

• As of (last Sunday in March of the following year) with the start of daylight saving time in Europe, Paris is +2h and Sydney is +11h, so Sydney will be 9 hours ahead of Paris.

• As of (1st Sunday in April) with the return to Australian Standard Time, Sydney is +10h and Paris is +2h, so Sydney will be 8 hours ahead of Paris.

Australia and Europe current time and time zone