Called Timewheel, this hourglass is located in Hungary near Hősök tere[5] and was first revealed in 2004 in commemoration of Hungary's accession to the EU.[6]
1 year
Built in 1991[6] and located in the Nima Sand Museum, this hourglass is 5.2 metres high and contains around one ton of sand.[7]
Built in 1999 and located on Jeongdongjin Beach it takes one year for the sand to fall to the bottom.[9]
1 year
A two metre high hourglass, filled with artificial blood, was installed at Downing Street in London as part of a protest demanding British intervention in the Darfur conflict.[10][11]
In 2009, a number of large hourglasses were installed in several major cities in Brazil to mark the enacting of an anti-smoking law.[12][13]
Filled with ground ivory, this hourglass was on display in Liverpool, UK, from mid 2005 to mid 2006.[14][15]