ʻO ka Longitude a me ka latitude kahi ʻōnaehana hoʻonohonoho i haku ʻia me ka longitude a me ka latitude, kahi ʻōnaehana hoʻonohonoho poepoe e hoʻohana ana i ka sphere o ʻekolu kekelē o ka lewa e wehewehe i ka lewa ma ka honua, a hiki ke hōʻailona i kekahi kūlana ma ka honua.
1. Ka mahele ʻana o ka longitude: mai ka meridian mua, ua kapa ʻia ʻo 180 degere hikina ka longitude hikina, i hōʻike ʻia e "E", a ʻo 180 degere komohana ka longitude komohana, i hōʻike ʻia e "W". 2. Ka mahele ʻana o ka latitude: 0 degere i ka equator, 90 degere i ka ʻākau a me ke kūkulu hema, ʻo ka heluhelu ʻana o ka ʻĀkau a me ke kūkulu hema he 90 degere, ua hōʻike ʻia ka latitude ʻākau e "N", a ua hōʻike ʻia ka latitude hema e "S". 3. ʻO ke kākau ʻana ka latitude mua ma hope o ka longitude, i hoʻokaʻawale ʻia e kahi koma, e like me ka longitude a me ka latitude o ke kākau ʻana o Beijing: ma ke kākau ʻana he 40 degere latitude ʻākau, 116 degere longitude hikina; Ma nā helu a me nā leka he: 40°N, 116°/E.