Ma'anar ƙamus na kalmar "daidaitacce lokaci" yana nufin lokacin da aka amince da shi a hukumance kuma aka yi amfani da shi a wani yanki ko ƙasa a matsayin ma'auni don daidaita ayyukan lokaci, kamar jadawalin sufuri, kasuwanci, da sadarwa. .Standard lokaci yawanci yana dogara ne akan jujjuyawar duniya da kuma matsayin rana dangane da takamaiman yanki na lokaci ko meridian. Doka ce ta kafa ta kuma ana amfani da ita azaman maƙasudin kiyaye lokaci a wannan yanki na musamman. A wasu ƙasashe, ana iya amfani da lokacin ceton hasken rana don daidaita daidaitaccen lokacin a wasu lokuta na shekara, yawanci don yin amfani da sa'o'in hasken rana. yana bawa mutane da kungiyoyi a yanki ko ƙasa damar daidaita ayyukansu da jadawalin su da juna.