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EXPLAINED : NATIONAL ATOMIC TIME SCALE

EXPLAINED : NATIONAL ATOMIC TIME SCALE

Context

Recently, Prime Minister of India dedicated ‘National Atomic Time Scale’ which will be able to generate IST- Indian Standard Time with an accuracy of 2.8 seconds.

Details about National Atomic Time Scale

It will enable India to become self-reliant in measuring the time within the range of a nano second and will also help organisations such as the Indian Space Research Organisation (ISRO).

About Atomic Time

  • It measures the actual length of the second and is able to provide the exact speed at which the clock ticks.
  • It is created by the atomic clocks which are able to furnish time more accurately than was possible with the previously available astronomical means.
  • These clocks are also predicted to be off by less than 1 second in more than 50 million years.

About International Atomic Time

  • It is a high-precision atomic coordinate time standard based on the notional passage of proper time on Earth's geoid.
  • It is the principal realisation of Terrestrial Time.
  • It is also the basis for Coordinated Universal Time, which is used for civil timekeeping all over the Earth's surface.

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