Time Balls and Guns

WHS from which regular time signals are "sent" (or where the equipment to do so still exists). The 2 forms of signal are a ball dropped from a visible point and/or a gun fired at a specific time.

World Heritage Sites connected to 'Time Balls and Guns':

  • Edinburgh 1pm a Time gun from the Castle and ball from Calton Hill ; link
  • Maritime Greenwich At 1pm since 1833 a Time Ball is dropped from above Flamsteed house
  • St. Petersburg At noon from the St Peter and Paul Fortress ; link
  • Valetta Saluting Battery Barracca garden. Now only on Saturdays at noon.; link