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
- 38 days from now, April 21, 2025, Sydney Opera House celebrate 52nd half birthday
- 52 days from now, May 5, 2025, Sydney Opera House celebrate 214th Mercury age
- 98 days from now, June 20, 2025, Sydney Opera House celebrate exactly 620 months
- 101 days from now, June 23, 2025, Sydney Opera House celebrate 84th Venus age
- 126 days from now, July 19, 2025, Sydney Opera House celebrate exactly 2,700 weeks
- 140 days from now, August 1, 2025, Sydney Opera House celebrate 215th Mercury age
- 220 days from now, October 20, 2025, Sydney Opera House celebrate 52nd birthday
- 226 days from now, October 27, 2025, Sydney Opera House celebrate exactly 19,000 days
- 228 days from now, October 28, 2025, Sydney Opera House celebrate 216th Mercury age
- 316 days from now, January 24, 2026, Sydney Opera House celebrate 217th Mercury age