This is a photo of Greenwich Park in London.Its on the River Thames.The Royal Observatory is at the top of the hill. Can you see the red ball on…

This is a photo of Greenwich Park in London.Its on the River Thames.The Royal Observatory is at the top of the hill. Can you see the red ball on thepole? When the ball is at the bottom of the pole,its one o'clock in Britain.But it isn't one o'clock all around the world. There are twenty-four time zones in the world and the time is different in every zone.When its one o'clock in Greenwich,its eight o'clock in Washington DC-the capital of