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CALCULATION OF TIME FROM THE ATOM
The atomic description of the Shrimad Bhagavatam is almost the same as the modern science. This is further described in the Paraman-vada of Kanada. Time is measured in terms of its covering a certain space of atoms. Standard time is calculated in terms of the movement of the sun. The time covered by the sun in passing over an atom is calculated as atomic time.
Two atoms - a double atom
Three double atoms - a hexatom (particle visable in
Three hexatoms - a truti or 18 atomic particles, or one
second divided in 16,875 parts.
One hundred trutis - one veda
Three vedas - one lava
Three lavas - one nimesa
Three nimesas - one ksana
Five ksanas - one kastha or 8 seconds
Fifteen kasthas - one laghu or 2 minutes
Fifteen laghus - one (nadika-danda) or 30 minutes
Two dandas - one muhurta or one hour
Six to seven dandas - one prahara or quarter of a day
Fifteen days and nights - two weeks or a fortnight
Two fortnights - one month
During the period of one month the moon wanes and is called krishna paksa, the dark moon or amavasya. In the same month the moon waxes and is called gaur-paksa or sukla paksa, the full moon or purnima.
Purnima to amavasya is called krishnapaksa (dark moon).
Amavasya to purnima is called gaurpaksa (bright moon).
Two months - one season
During the first six months the sun travels from south to north and is known as uttarayana. During the second six months the sun travels from north to south and is known as daksinayana. Two solar movements equals one day and night of the demigods.