Standard Time zones

Rotation-自转-Spins on the axis.Rotation Length-旋转长度-24Hour.
Longitude-经度Separate the place in the earth.
Prime Meridian-本初子午线-The line that separate the North and South.
International Date Line-国际日期变更线-The line that separate the West and East.
Greenwich Mean Time-格林威治时间-Where the calendar begin.

Time is what we use to begin and put an end of something. Before technology existed. people use sun dial to control. A sundial is a clock controlled by the movement of the sun light white he earth is revolving around the sun. Revolution is when the earth spin around the sun. A time zone is what keep the time running. The earth is divided into 24 time zones. Rotation is the spin on the axis. longitude is separate the place in the earth. prime Meridian the line that separate the North and South. International Date line is the line that separate the West and East. Greenwich mean time is where the calendar begin. All of this is pant of the time zone and with out time zone time would be confusing and people would go crazy.




The earth movement cause the earth have different season. and make the climate change.and make the Day and Night.revolution 1 round the sun make the year.