Gweler BBC World Service29/01/2021BBC Cymru Duration: 5 hours, 30 minutesFirst broadcast: Fri 29th Jan 2021, 00:00 on BBC Radio CymruLatest broadcast: Fri 29th Jan 2021, 00:00 on BBC Radio Cymru 2Mae Radio Cymru'n ymuno â'r World Service dros nos. Radio Cymru joins the World Service overnight.GenresFactualBrandGweler BBC World Service Source: BBC Online