Australia Day falls on a Tuesday, meaning restricted trading hours (and possibly a four-day weekend) for many businesses.
Here's a list of what's open, what's not, how to get around, where to go in case of an emergency and how to stay entertained.

What's on
Australia Day Parade: 11:00am to noon, Swanston Street into St Kilda Road, Melbourne
A parade of colour and movement, the annual parade starts at Swanston Street and works its way towards St Kilda Road. The parade will start after a flag ceremony, which gets under way at 10:30am. More information here.  
Australia Day at Docklands: 4:00pm to 11:00pm, NewQuay Piazza, Docklands.
Celebrate the holiday with fine food, drink, live music and fireworks. More information here.
Government House Open Day: All day, Government House
The Honourable Linda Dessau, AM, Governor of Victoria, and Judge Anthony Howard open their doors to the public.  The Royal Australian Airforce Roulettes will be doing a flyover from 12:30pm. More information here.

Supermarkets
Coles: Operating as normal.
Woolworths: Operating as normal.
???Aldi: Open 8.30am to 8pm.

Shopping centres
Melbourne Central: Open 10am-6pm
Melbourne Emporium: Open 10am-6pm
Chadstone: Open 10am-6pm
Highpoint: Open 10am-5pm
Northland: Open 10am-5pm
Eastland: Open 10am-5pm
Westfield Doncaster: Open 10am-5pm
Westfield Southland: Open 10am-5pm
Westfield Fountain Gate: Open 10am-5pm
The Glen, Glen Waverley: Open 10am-5pm
Myer Bourke Street Mall: Open 10am-7pm
David Jones Bourke Street Mall:Open 9:30am-7pm
Photo: Penny Stephens

Public transport
Most services will operate to a Saturday timetable. More information is available on the Public Transport Victoria website.

GPs
Home Doctor Service: 137 425 or 9429 5677 
Medical at Home: 8341 1888 
Mill Park Super Clinic: Open 24/7, 250 Childs Road, Mill Park, 9436 4155 
Medical One, Elwood: 9am-6pm (61 Brighton Road, Elwood, 9531 9811) 
Medical One, Frankston: 9am-2pm (47 Davey Street, Frankston, 9781 3966) 
Medical One, Sunshine: 9am-2pm (324 Hampshire Road, Sunshine, 9310 2947)
Medical One, Moonee Ponds: 8am-1pm (14 Pascoe Vale Road, Moonee Ponds, 8325 1111) 
Medical One, QV Melbourne: 9am-1pm (Level 3, 23 QV Terrace, 292 Swanston Street, Melbourne, 8663 7000)
Geelong GP Super Clinic (Kardinia Health): 9am-1pm (2-18 Colac Road, Belmont, 5202 9333)
Chelsea Heights Medical Centre: 8am-midnight (205 Thames Promenade, Chelsea Heights. 8785 9900) 
Hastings Family Medical Centre: 8am-midnight (9 Queen St, Hastings, 5972 8000) 

Pharmacies
Casey Super Clinic Pharmacy: Open 24/7, 50 Kangan Drive, Berwick, 9769 9824. 
Mill Park Super Clinic Pharmacy: Open 24/7, 250 Childs Road, Mill Park, 9436 4155. 
???Mulqueeny Midnight Pharmacy: 9am-midnight, corner Williams Road and High Street, Prahran, 9510 3977. 
???Tambassis Pharmacy: 8am-midnight, corner Sydney and Brunswick roads, Brunswick, 9387 8830. 
Chapel Gate Pharmacy: 9am-9pm, corner Carlisle and Chapel streets, Balaclava, 9531 8004. 
Slade Pharmacy: 8am-10pm, 89 Bridge Road, Richmond South, 8420 0700. 
Chemist Warehouse St Albans: 9am-9pm, 327 Main Road East, St Albans, 9366 3545.
Footscray Pharmacy: 10am-5pm, 2/76 Nicholson Street, Footscray 9396 1223 

Pet services
24-hour Vet: Centre for Animal Referral and Emergency (CARE) Collingwood, 9417 6417 
Lort Smith Animal Hospital North Melbourne: 8.30am-5pm, 9328 3021
Lost Dogs Home North Melbourne: 9am to 12.30pm, 9329 2755 
Eureka Skydeck

Melbourne attractions
Sea Life Melbourne Aquarium: 9.30am-8pm. Last admission 7pm. 9923 5925
Crown Entertainment Complex: Open 24 hours, 9292 8888 
Eureka Skydeck 88: 10am-10pm. 9693 8888 
???O'Brien Group Arena (formerly Medibank Icehouse): 9am-10pm. 1300 756 699 
Melbourne Zoo: 9am-5pm. 9285 9300 
Royal Botanic Gardens: Open 7.30am-sunset, visitor centre open 9.30am-5pm, 9252 2300 
Wonderland Fun Park Docklands: 11am-6pm. 9602 1311 
IMAX Melbourne Museum: Session times run every three hours. 9663 5454 
Fitzroy Gardens Visitor Centre and Cook's Cottage: 9am-5pm. 9658 7204 
Melbourne Museum: 10am-5pm. 8341 7777 
National Gallery of Victoria: 10am-5pm. 8620 2222 
Cinema Nova:Open 10am. 9347 5331
Puffing Bill Railway: Open, trains leave Belgrave at 10.30am, 11.10am, 12.30pm, 1.15pm and 2.30pm. 

Markets
Queen Victoria Market: Closed
South Melbourne Market: Closed
Preston Market: Closed
Prahran Market: Closed
Footscray Market: Closed

Libraries
Melbourne Library Service: City Library open from noon-5pm. All other branches (Library at The Dock, East Melbourne, North Melbourne, Kathleen Syme and Southbank) will be closed.
Stonnington City Libraries: (Including Malvern, Phoenix Park, Prahran and Toorak/South Yarra) All branches closed.
Port Phillip Library: (Including Albert Park, Emerald Hill, Middle Park, Port Melbourne and St Kilda) All branches closed.
Darebin Libraries: (Including Preston, Northcote, Reservoir and Fairfield) All branches closed.
Bayside Library Service: (Including Beaumaris, Brighton, Hampton and Sandringham) All branches closed. 
Kingston Libraries:(Including Chelsea, Cheltenham, Clarinda, Dingley, Highett, Moorabbin, Parkdale and Patterson Lakes) All branches closed.
Yarra Plenty Regional Library: (Including Diamond Valley, Eltham, Ivanhoe, Lalor, Mill Park, Rosanna, Thomastown, Watsonia, Whittlesea and YPRL mobile) All branches closed.
Murrindindi Library Service: (Including Alexandria, Kinglake and Yea) All branches closed.
Greater Dandenong Libraries: (Including Dandenong and Springvale) All branches closed .
Casey-Cardinia Library Corporation: (Including Cranbourne, Doveton, Emerald, Endeavour Hills, Hampton Park, Narre Warren, Pakenham and Cardinia Mobile Library) All branches closed.
Brimbank Libraries:(Including Deer Park, Keilor Village, St Albans, Sunshine and Sydenham) All branches closed.
Photo: Craig Abraham

Airport transfers
Melbourne Airport: Skybus operates to normal schedule (24 hours), 9335 2811; Starbus operates to normal schedule (5am-7pm), 8378 8700
Avalon Airport: Avalon Airport Shuttle operates to normal schedule, 5278 8788

Visitor information services
Melbourne Visitor Centre: 9am-6pm, 9658 9658
Melbourne Visitor Shuttle: 9.30am-4.30pm. 
Melbourne Visitor Booth: 9am-5pm. 
City Ambassadors: 10am-4pm. 
Melbourne Greeter Service: 9.30am. 
Town Hall tours: Operating hourly from noon to 3pm
Have we missed something? Leave a comment.