Tsawon da kuma latitude tsarin daidaitawa ne wanda ya ƙunshi tsawon da kuma latitude, tsarin daidaitawa mai siffar ƙwallo wanda ke amfani da sararin samaniya mai matakai uku don ayyana sararin da ke duniya, kuma yana iya nuna kowane matsayi a duniya.
1. Rabawar tsayin tsayi: daga babban meridian, ana kiran digiri 180 gabas da tsayin tsayin gabas, wanda "E" ke wakilta, kuma digiri 180 yamma shine tsayin tsayin yamma, wanda "W" ke wakilta. 2. Rabawar latitude: digiri 0 zuwa equator, digiri 90 zuwa arewa da kudu, karatun Arewa da kudu digiri 90 ne, latitude na arewa ana bayyana shi da "N", kuma latitude na kudu ana bayyana shi da "S". 3. Rubutu shine latitude na farko bayan tsayin tsayi, wanda aka raba shi da waƙafi, kamar tsayin tsayi da latitude na Beijing rubutu: a rubuce shine digiri 40 arewa latitude, digiri 116 gabas tsayin tsayi; A lambobi da haruffa shine: 40°N, 116°/E.