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There are calls to end the semi-annual practice putting our clocks backwards and forwards an hour. It is done forwarding clocks one hour the spring so that evening daylight lasts an hour longer and then putting them back the autumn. This is done in many parts the world and is called Daylight Saving Time (DST). Scientists are questioning the value tinkering time. They say changing the clocks could actually be harmful to our health and increase energy costs. The states California and Massachusetts in the USA are considering unilaterally abandoning DST. Lawmakers there feel it has no relevance today when we have electric lights and people work the clock.

Those support of DST argue that it saves energy because lights are turned later. They argue it promotes outdoor leisure activities the summer evening, and is therefore good physical and psychological health. They also say it reduces traffic accidents and crime. People who tend to support DST are city workers, retail businesses, outdoor sports enthusiasts and businesses, tour operators, and others who benefit increased light the evening in summer. Opponents say it increases energy costs and causes health risks. The incidence heart attacks and strokes can increase due to changes the circadian cycle (our body clock). less rest, people make more mistakes, so accidents increase.

Back to the Daylight Saving Time lesson.

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