Ingabe isikhathi sasehlobo siyadingeka ngempela?
Lutho neze! Isimiso sokusebenzisa isikhathi sasemini saqala ngeMpi Yezwe I ngomzamo wokonga uphethiloli nogesi. I - U.S. yasungula umthetho wokulondoloza isikhathi sasehlobo ngo - 1918 futhi yamisa indawo ejwayelekile yesikhathi kulo lonke elaseMelika. Nokho, ngenxa yamandla kagesi anamuhla nokuphila ebusuku okuhlukahlukene, kubonakala sengathi i-Daylight Savings ayisasebenzi namuhla. Abantu abaningi bakhononda ngokuphazamiseka kokuphendulela iwashi emuva naphambili kabili ngonyaka. Izinga lokufika sekwephuzile ezindizeni noma ezindizeni ngosuku lokuqala noma lokuphela kwesikhathi sasehlobo unyaka ngamunye liphakeme kakhulu kunanoma yiluphi olunye usuku onyakeni. Eqinisweni, ngisho nase-U.S., i-Arizona neHawaii azisebenzisi isikhathi sasehlobo. Kunjalo nakwamanye amazwe amaningi njengeChina neJapane. Emazweni aseYurophu, usuku lokushintsha isikhathi sasehlobo luyahlukahluka. Lonke lolu shintsho lwesikhathi sasehlobo lubangela izinkinga eziningi ekuhleleni izikhathi zokuqokwa nemihlangano yezifunda kunanoma yiziphi izinzuzo zalo uma singase sicabange ngazo.