The Greenwich Meridian Is Also Known as the

Q102: The main purpose of DST is to

Q103: A two-dimensional coordinate system is called a(n)

Q104: Six months of daylight at the South

Q105: On December 21, the noonday Sun is

Q106: The _ of a surface position on

Q108: The elapsed time between two successive crossings

Q109: The time interval from one vernal equinox

Q110: The longest-daylight day for people in the

Q111: The shortest-daylight day for people in the

Q112: The Sun is at the vernal equinox