Transcription: It is the 21st of June and summer in the Northern Hemisphere. Our planet Earth is lit by the Sun, but only half of Earth is in sunshine while the rest is in darkness. It seems to us that the Sun moves across the sky, but really it is Earth that is turning. One complete revolution takes 24 hours. Places pass into darkness as Earth turns towards the East. It is this which gives the time differences between countries. These clocks show the time in the world's major cities. Pause to see what time the clocks tell at the same moment in Tokyo, New York, London and Delhi. If we look at the Earth from ...
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