| Answer | Crossword Clue |
|---|---|
| CST | Hrs. on the 90th meridian |
| CST | Time of the 90th meridian |
| GMT | Hrs. at the prime meridian |
| NOON | When the sun is on the meridian |
| EST | Time zone on the west 75th meridian |
| longitude | the angular distance of any place on the earth's surface, east or west of a standard meridian (eg that of Greenwich) |
| longitudes | LONGITUDE, the angular distance of any place on the earth's surface, east or west of a standard meridian (eg that of Greenwich) |
