Banks
Banks are typically open from 9:30am to 4pm Monday to Thursday and 9:30am to 5pm on Friday. Most banks will be closed on the weekend; however, some branches may stay open for several hours on Saturday mornings.
Post offices
Post offices are usually open from 9am to 5pm Monday to Friday. Several branches will also remain open on Saturday mornings.
Shops
Shop opening hours differ between states and territories in Australia. Large supermarkets in New South Wales, Victoria, the Northern Territory, Australian Capital Territory and Tasmania are typically open from 7am to 10pm seven days a week, while inner-city supermarket chains will often stay open from 6am to midnight every day. In South Australia and Western Australia, supermarkets are generally open from 7am to 9pm Monday to Friday and 11am to 5pm on Sundays. In Queensland, you can typically shop in supermarkets from 7am to 9pm Monday to Saturday and 9am to 6pm on Sundays. Be aware, timings will change across the country on public holidays.