Qaphela, kukhona manje imali yokungena egcekeni ukuma kwi-Prime Meridian Line.
Kuyithuba elihle lesithombe: isithombe sakho sithathwe esivela ku-Prime Meridian Line e-Greenwich. Hamba i -Royal Observatory futhi egcekeni kungumgqa wensimbi lapho ume phezu komugqa futhi ungaba ngasempumalanga nasentshonalanga ye-hemispheres ngesikhathi esifanayo. I-Greenwich ikhethiwe emuva ngo-1884 njenge-Prime Meridian yezwe, i-Longitude Zero (0 ° 0 '0 ").
Zonke izindawo zomhlaba zilinganiselwa ngokwengxenye yayo empumalanga noma entshonalanga kusukela kulolu hlangothi (ubude), njengoba i-Equator ihlukanisa izintaba ezisenyakatho naseningizimu (latitude).
Enye i-freebie ejabulisayo ngenkathi ukhona ukubuka i-Time Ball ebomvu phezulu kwe-Flamsteed House ehlehla ngo-1pm nsuku zonke. Ngo-12.55pm, ibhola le-time liphakamisa isigamu ukuya phezulu. Ngo-12.58pm sifinyelela phezulu, futhi ngo-1pm impela, ibhola liwa, futhi linikeza uphawu emikhumbi edlula kanye nanoma ubani omunye obonakala ebuka.
Bona uhambo lwe-Greenwich ukuthola imininingwane eyengeziwe.
Uma ukukhuphuka kwentaba eGreenwich Park kuya eRoyal Observatory akukwanele futhi ufuna ukukhuphuka okujabulisayo ukuthi kungani ungacabangi ukugibela phezu kwe-O2 e- Up e-O2 ?