| Greenwich meridian | garis bujur Greenwich | Tiada | meridian Greenwich | Geografi |
| zulu time | waktu lacak Greenwich | waktu min Greenwich | waktu min Greenwich | Aeroangkasa |
| Greenwich mean time (GMT) | waktu rerata Greenwich | waktu min Greenwich (GMT) | waktu min Greenwich (GMT) | Aeroangkasa |
| Greenwich hour angle | sudut jam Greenwich | Tiada | sudut jam Greenwich | Sukan |
| Greenwich time | Tiada | Tiada | waktu Greenwich | Matematik |
| Greenwich meridian | Tiada | Tiada | meridian Greenwich | Matematik |
| Greenwich Mean Time | GMT | Tiada | Waktu Min Greenwich | Geografi |