Sydney Opera House
Basic information
The Sydney Opera House is in Sydney, Australia and is a multi-venue performing arts center. This is one of the most distinctive and well-known buildings of the 20th century, that hosts over 1,500 performances (that is attended by over 1.2 million people) each year by various performing artists. It is one of the most popular tourist attractions in Australia and has over 8 million people visit each year, with 350,000 having a guided tour of the building.
Construction on the Opera House started the first of March 1969 and finished in 1973, with the building opening the 20th of October 1973. It is a 65m tall and 183m long building designed by a Danish architect Jorn Utzon. The Opera House became part of the UNESCO World Heritage Site on the 28th of June 2007.
Half birthday 
Next half birthday falls on
Age in different time units
Planet Age
How old Sydney Opera House would be if it was opened on a different planet
- 51 days from now, June 19, 2026, Sydney Opera House celebrate 28th Mars age
- 81 days from now, July 19, 2026, Sydney Opera House celebrate 219th Mercury age
- 140 days from now, September 16, 2026, Sydney Opera House celebrate 86th Venus age
- 169 days from now, October 15, 2026, Sydney Opera House celebrate 220th Mercury age
- 174 days from now, October 20, 2026, Sydney Opera House celebrate 53rd birthday
- 257 days from now, January 11, 2027, Sydney Opera House celebrate 221st Mercury age
- 260 days from now, January 14, 2027, Sydney Opera House celebrate exactly 28,000,000 minutes
- 297 days from now, February 20, 2027, Sydney Opera House celebrate exactly 640 months
- 345 days from now, April 9, 2027, Sydney Opera House celebrate 222nd Mercury age
- 357 days from now, April 21, 2027, Sydney Opera House celebrate 54th half birthday