00:00Gweler BBC Radio 5 live18/09/2018BBC Radio Cymru Duration: 5 awr, 30 o funudau Tue 18th Sep 2018, 00:00 on BBC Radio Cymru 2Mae Radio Cymru'n ymuno â 5 live dros nos. Radio Cymru joins 5 live overnight.GenresNewsBrandGweler BBC Radio 5 live Source: BBC Online