H?i-t??

H?i-t?? ( Eng-gi : latitude) s? siat-su ui kok so?-ch?i ?i chi?t-tiau thang t?-kiu tiong-sim e chi?t-tiau ti?t-soaⁿ, kok so?-ch?i chit-tiau ti?t-soaⁿ kah t?-kiu li Lam-ke?k Pak-ke?k chit-nn?g-tiam k?ng k?-li e phoah-peng-b?n so? gia?p-chhut--lai hit-ge kak-t??.

Kok-che kong-t?ng t?-kiu li lam-pak-ke?k nn?g-tiam k?ng k?-li e phoah-peng-b?n chiu-ui hit-se?h s? 0-t??. Hiong-pak khai-si s?g kah 0-t??-soaⁿ peng-heng tang-sai-hiong e soaⁿ lan k? i kio-cho "pak-h?i", hiong-lam khai-si s?g kah 0-t??-soaⁿ peng-heng tang-sai-hiong e soaⁿ lan k? i kio-cho "lam-h?i", lam-pak kok ? 90-t??.

Pun bun-chiuⁿ s? chi?t phiⁿ phi-a-kiaⁿ . Li thang tau khok-chhiong lai pang-ch?? Wikipedia.