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A PLANCK TIME

 1 ^-43 of a second

one  second divided by 10 = 0.1 of a second

(one-tenth of a second)

one  second divided by 100 = 0.01 of a second

(one one-hundreth of a second)

one  second divided by 1000 = 0.001 of a second

(one one-thousandth of a second)

do that another 39 times

a planck time is one of natures constants and does not change

this web site will always use it where it can be used as a basis for measurement