Units of Time

Here is a list of units of time, both real and imaginary.
 * Planck time - the shortest length of time, named after the physicist Max Planck
 * Second - there are 60 in a minute.
 * Minutes - there are 60 in an hour.
 * Hours - there are 24 in a day.
 * Days - there are 365 (or 366 if it's a leap year) in a year, and 29-31 in a month.
 * Months - there are 12 in a year.
 * Years - there are 100 in a century.
 * Centuries - there are 10 in a millennium.
 * Millennium - 1000 years.
 * Era - 100,000,000 years
 * Eon - 500,000,000 years
 * Tranquility - A very long length of time.
 * Ultraplex - undefined length of time
 * Cosmological decade - varies, but very long.