(astronomy) a measure of time defined by Earth's orbital motion; terrestrial time is mean solar time corrected for the irregularities of the Earth's motions
However after a week of negative reaction to the idea, the Isle of Man TT co-ordinating committee, chaired by Tourism Minister Martyn Quayle, announced a U-turn on Friday.
Adrian Archibald is a three-times TT winner from 2003 and 2004 and after several barren years on Mona's Isle, a third-place in last year's Superbike TT heralded a return to form.