Yi la'akari, yanzu akwai farashi don shigar da tsakar gida don tsayawa kan Firayim Meridian Line.
Yana da damar hotunan hoto: yi hotunan da aka dauka a kan Firayim Meridian a Greenwich. Shugaban ga Royal Observatory da kuma a cikin farfajiyar ne wani m karfe inda kake tsaye a kan layin kuma zai iya zama a gabas da yammacin hemispheres a lokaci guda. An zabi Greenwich a 1884 a matsayin Prime Meridian na duniya, Longitude Zero (0 ° 0 '0 ").
Kowane wuri a duniya ana auna shi bisa ga kusurwar gabas ko yamma daga wannan layin, kamar yadda Equator ya raba arewacin kudancin da kudancin (latitude).
Wani karin fun kyauta yayin da kake akwai akwai kallon Red Time Ball a saman Flamsteed House sauke a 1pm kowace rana. A karfe 12.55 na yamma, lokacin kwallon kafa ya haura zuwa hamsin. A karfe 12.58pm ya kai saman, kuma a 1pm daidai, ball ya fadi, don haka yana bada siginar don wucewa da jirgi da duk wani wanda ya kasance yana kallon.
Dubi yawon shakatawar Greenwich don karin bayani.
Idan hawa sama da tudu a Greenwich Park zuwa Royal Observatory bai ishe ku ba kuma yana so yawan dadi mai kyau don me ya sa ba za ku iya hawa hawa akan O2 a Up a The O2 ?