BBC Radio Cymru is BBC Cymru Wales' Welsh-language national radio station. It broadcasts throughout Wales from studios in Cardiff, Bangor, Aberystwyth and Carmarthen on FM, DAB, digital TV and online.The station broadcasts for  18 1⁄2 hours a day from 5:30 am to midnight with overnight programming carried from BBC Radio 5 Live during downtime. Its managing editor is Betsan Powys.BBC Radio Cymru began broadcasting on the morning of Monday 3 January 1977, its first programme being an extended news bulletin presented at 6:45 am by Gwyn Llewellyn and Geraint Jones.