世界时分为三类:直接通过天文观测求得的世界时称为世界时-0(UT0);计及地极移动影响改正后的世界时称为世界时-1(UT1),它真正反映地球自转的统一时间。
相关网页
Ukraine's state television UT1 argued that Russian TV's live transmission of the switch-off was something of a media flop.
BBC: Media pump out gas coverage