Complex sentence: With the closure of Saga and its rebranding as 105.7 Smooth Radio in March 2007, Roger Day moved stations and began presenting a daily show on BBC Radio Kent every weekday evening from 7-10pm.
Split into simpler sentences: With the closure of Saga and its rebranding as 105.7 Smooth Radio in March 2007 Day presented a show for Smooth Radio. Day then moved stations and began presenting a daily show on BBC Radio Kent every weekday evening from 7-10pm.