"It is twenty five minutes past."

Translation: Mae hi'n bum munud ar hugain wedi.

[JaneBeaton]

I realise I have no idea when to write hugain and when ugain. Can anyone explain?

[areddragon]

Ar causes ugain to mutate to hugain.

[JaneBeaton]

Thanks, Ieuan. I seem to have blanked this up to now!