Sydney is 6-7 hours ahead of Dubai. Dubai uses Gulf Standard Time (GST, UTC+4) while Sydney uses Australian Eastern Standard/Daylight Time (AEST/AEDT, UTC+10/+11). During standard time, Sydney is 6 hours ahead; during daylight saving time, Sydney is 7 hours ahead.
Sydney observes daylight saving time while Dubai does not, so the difference varies seasonally.
Best calling time: 3:00 AM - 12:00 PM Dubai time. This corresponds to 9:00 AM - 6:00 PM in Sydney during standard time. For more reasonable hours, schedule calls for early morning Dubai time.
Dubai and Sydney are major aviation hubs with Emirates operating the longest non-stop flight between them at around 14 hours. Both cities have significant business and tourism connections.