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  • Brainly User
2014-05-31T16:27:52+05:30

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Advantage 
it leads to unity among people because all people will work at the same time and this may cause substantial development.
disadvantage
it affects the sleep wake cycle of many people and hence it is practically impossible.
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2014-05-31T16:44:24+05:30
Advantage-It lead to unity and homogenity as time is same througout country. Disadvantage-as same time, the condition of day or position of sun is not same which lead to confusion speciall in vast countries.
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