The Hebrews reckoned two evenings of each day, as appears from Ex. 16:12: 30:8; 12:6 (marg.); Lev. 23:5 (marg. R.V., between the two evenings). The first evening was that period when the sun was verging towards setting, and the second evening the moment of actual sunset.
BCE/CE usually refers to the Common Era (the years are the same as AD/BC). That is, BC is usually understood to mean Before the Common Era and CE to mean Common Era, though it is possible to reinterpret the abbreviations as Christian Era..
Classical antiquity (also the classical era, classical period or classical age) is a term for a long period of cultural history centered on the Mediterranean Sea, comprising the interlocking civilizations of ancient Greece and ancient Rome, collectively known as the Greco-Roman world.