Ukutjheja imikhawulo umugqa wesikhathi umugqa okunemibandela, esichaza ushintsho ukujola empambana yayo. Nokho, Nakuba lokhu kubizwa kuphela ngokwesivumelwano phakathi abantu, lo mugqa has impahla ebalulekile. Uma uya ku-ngokushiya isikebhe bese uyihambisa kusukela empumalanga kuya entshonalanga, futhi ukwenza kanjalo ngokunembile phakathi kobusuku, ngaleso sikhathi kuyoba khona into engavamile: weqa ngosuku, futhi esikhundleni uthole e kusasa, wena uyothathwa ngqo ngosuku olulandelayo.
Uma siya kusuka entshonalanga kuya empumalanga, ngaleso sikhathi kuyoba khona ngenye indlela ehluke kakhulu, kodwa futhi into engavamile. Uma umngcele ncamashi phakathi kobusuku, esikhundleni ukuya ngosuku olulandelayo, njengoba kunoma iyiphi enye ingxenye wonke, uzothola ngokwakho ekuqaleni ngosuku olufanayo ukuthi wayesanda iphelile. Lo mugqa ngengqondo, okuyinto inezici obungajwayelekile phezu Meridian ne-longitude eziyikhulu namashumi ayisishiyagalombili kanye degrees.
Igama elithi "ukutjheja imikhawulo umugqa" ngokuvamile lisetshenziswa ngomqondo womhlaba. Nokho, le nkulumo unezinye futhi nezincazelo. Igama elithi "ulayini ukutjheja imikhawulo" of Korea, isibonelo, isebenzisa ukubaluleka emngceleni. Kwasukasukela, ngokujoyina ahlomile ingxabano, iNyakatho neNingizimu Korea akakwazanga ukuza emhlabeni. Nge ukubamba iqhaza komphakathi weentjhabatjhaba lizwe kwenziwa umugqa ukutjheja imikhawulo esasihlukanisa Korea ngo ezimbili. Futhi manje kwala mazwe womabili babambisane ezikhona, ngamunye wabo waba nethuba baphile izimpilo zabo hhayi isesimeni okuqhubekayo futhi eside empi okuthena amandla. Lo mzila ukutjheja imikhawulo wenziwa parallel wamashumi amathathu nesishiyagalombili. Kusukela wamiswa ngo-1953, kwaba nezingxoxo zokuthula phakathi kwala mazwe womabili, bona kuze kube yilolu suku. Lo mugqa ukutjheja imikhawulo ubhekwa lesikhumbuzo lokugcina impahla (ngemva kokubhujiswa Berlin Wall) neMpi Yomshoshaphansi. Kuyathakazelisa ukuthi angaphezu kweshumi nambili Imigudu kahle atholakele ngaphansi kwalo, lapho North Korea wakwazi ngomkhumbi amasosha e-South Korea ukuqhuba imisebenzi yezempi. Ububanzi zone umngcele kuba amakhilomitha amane ukusuka. Ensimini yaleli isimo Yakhiwa oluqinisayo ezengeziwe inamandla kakhulu futhi kuyabiza, elikwaziyo ukumisa omkhulu ithangi kuhlasela.
Enye ukutjheja imikhawulo umusho odumile isendaweni esiqhingini saseKhupro. Uneziqu igama lalo. Kuzwakala sengathi "Attila umugqa". Ukuhlukaniswa esiqhingini senziwa phakathi wasenyakatho nowaseningizimu futhi ingxenye. Eyokuqala wabo - ingxenye ngesiGreki lingasempumalanga yalesi siqhingi, kwesibili - Turkish. Futhi kuyathakazelisa ukuthi komugqa ukutjheja imikhawulo sidlula edolobheni elidala of Nicosia, ukwabelana nge-dolobha zibe izingxenye ezimbili. Edolobheni emgqeni ukutjheja imikhawulo esungulwe oluqinile. Isinqumo ukwakhiwa yayo senziwa emuva ngo-1964, lapho izibhelu kwagqashuka futhi izibhelu sina phakathi imiphakathi Turkish nesiGreki. Lokhu elula ke waziwa ngokuthi "umugqa oluhlaza". Ngo-2008, kwaqala umsebenzi ukususa odongeni. Line obuphelele imayelana eziyikhulu namashumi ayisishiyagalombili amakhilomitha, yona ububanzi bayo kuhluka a amamitha ambalwa kuze kube amakhilomitha ayisikhombisa nengxenye.