Taipei 101 (Chinese: 台北101 / 臺北101), formerly known as the Taipei World Financial Center, is a landmark skyscraper located in Xinyi District, Taipei, Republic of China. The building ranked officially as the world's tallest from 2004 until the opening of the Burj Khalifa in Dubai in 2010.
The Taipei 101 tower has 101 stories above ground and five underground. Upon its completion Taipei 101 claimed the official records for:
- Ground to highest architectural structure (spire): 508 metres (1,667 ft). Previously held by the Petronas Towers 451.9 m (1,483 ft).
- Ground to roof: 449.2 m (1,474 ft). Formerly held by the Willis Tower 442 m (1,450 ft).
- Ground to highest occupied floor: 438 m (1,437 ft). Formerly held by the Willis Tower 412.4 m (1,353 ft).
- Fastest ascending elevator speed: designed to be 1010 meters per minute, which is 16.83 m/s (55.22 ft/s) (60.6 km/h, 37.7 mi/h).
- Largest countdown clock: Displayed on New Year's Eve.
- Tallest sundial.
