what is the line in the middle of a time zone that in theory determines the time of that zone
Time zone Ideal time zones, such as nautical time zones, are based on the mean solar time of a particular meridian located in the middle of that zone with boundaries located 7.5 degrees east and west of the meridian. In practice, zone boundaries are often drawn much farther to the west with often irregular boundaries, and some locations base their time on meridians located far to the east.
Insurance Insurance is a means of protection from financial loss. It is a form of risk management, primarily used to hedge against the risk of a contingent or uncertain loss.
Harlan Howard Howard formulated the oft-quoted definition of a great country song: "Three chords and the truth."[3]
Yuga There are four Yugas in one cycle: