Unlike a standard decade that has a constant value the cosmological decade does not. The cosmological decade scale is base 10 logarithmic. Each successive cosmological decade represents an increase in the total age of the universe by 10 times.
The two most common forms of expressing a cosmological decade are:
in Log (seconds per decade) or Log (years per decade)
Time zero is the instant before the big bang and the first time unit is Planck time, defined as the epoch
$$\ CD (-43.2683) = 10^{-43.2683} \; \text{(Time in seconds).}$$
There are an infinite number of cosmological decades between the Big Bang and the Planck epoch or any other point in time. The reason for this is there is not a Log value for zero – This is undefined.
To convert to years per decade, simply divide the seconds by seconds per year.
The current epoch is CÐ (17.6355) seconds. The log of seconds in a year (7.4991116)
CÐ (17.6355 - 7.4991116) , or CÐ (10.1364) years.
The fractional portion of the current CÐ equal to a year is:
$$\ \frac {1} {10^{10.1364}}\; = \; 7.30466E-11$$
The fractional portion of the current CÐ equal to 2015 years is
$$\ \frac {7.30466E-11}{2015} = 1.47188899E-7$$
To place these values in a more comprehensible perspective if the universe is 24 hours old then 150 years is a millisecond. The normal length of an eye blink is 300-400 milliseconds. it will take you about 52,500 years to blink, on this time scale.
Does this answer your question Адриiан Арсовки?
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