Standard Expiration Dates. There are four futures expiration dates each year for Equity Indexes (such as the S&P E-mini), Currencies (such as the U.S. Dollar Index) and Financials (such as 10 Year T-Notes).
Unlike natural law, which is independent of human beings, divine laws are totally dependent on human narrators and closely related to different cultures; they may change in human perception in time through new revelation, however, divine laws are eternal and constant, not subject to change.
Ius naturale. Ius naturale is Latin for natural law, the laws common to all beings. Roman jurists wondered why the ius gentium (the laws which applied to foreigners and citizens alike) was in general accepted by all people living in the Empire. Their conclusion was that these laws made sense to a reasonable person and thus were followed.