Advantages of DST (Daylight Saving Time):-
o DST take advantages of summers extra daylight hours. Clocks are put forward 1 hour (Usually in spring, thus gaining an hours sunlight during conventional waking hours.
o The practice was first suggested, half
seriously in 1784 in an essay by an American Statesman & scientist Benjamin Franklin.
o It was not until 1st world war, that several countries including Australia, Britain, Germany, & US adopted DST as a means of conserving energy resources.
o Besides energy conservation the other benefits are
Increase leisure time
Safer journeys for school children.
o In the northern Hemisphere many countries like the US begin DST towards the end of March and resume Standard Time towards the end of October. (Spring Forward fall back (Autumn)}
o In the tropical belt, the lengths of day and night change little seasonally and there is not much twilight. Consequently, DST will offer little or no savings for tropical region.
o DST is based on two geographical facts.
The seasonal variation in the length of the day increases towards the poles. The summer day become much longer in higher latitudes.
The duration of dawn of twilight or is primality a function of latitude. (Duration of down & twilight increase towards of Pole)
o Last observation, generally the watch is shifted to 1 hour but implicitly, one can go for more than one hour, in the past at certain period of crisis and
some countries go for 2 hours also. But in the present times, the practice is limited to 1 hour.
o The effect of sudden switch of Time zones in a travel, resulting in tiredness, and getting out of step with Day & Night.
o Advice from Doctor
Rest for 1 or 2 Day and body will get frequency match
Like Crew Member, Statesman of World, Politicians like Modi, Business Executives.
Hormones melatonin is injected for treatment which is usually released at night during sleep.
o Metabolic Rhythm found in most organisms which generally coincides with 24 hours day. It’s most evident manifestation is a regular cycle of sleeping and waking.
Nature want to sleep us at a particular time and
also wakes up at a particular point of time.
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