Gweler BBC World Service01/02/2021BBC Cymru Duration: 5 hours, 30 minutesFirst broadcast: Mon 1st Feb 2021, 00:00 on BBC Radio CymruLatest broadcast: Mon 1st Feb 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