a ceathair

Tá sé a ceathair a chlog.

It's four o'clock.A2

A haon, a dó, a trí, a ceathair, a cúig, a sé, a seacht, a hocht, a naoi, a deich.

One, two, three, four, five, six, seven, eight, nine, ten.B2

Feicfidh mé thú ag a ceathair.

I'll see you at four.A2

Bíonn mo chuid ranganna ar siúl ag a ceathair a chlog chuile thráthnóna.

My classes are [usually] at four o'clock each afternoon.B1

Imeoidh sé ag a dó a chlog sa tráthnóna agus beidh sé i Nua-Eabhrac thart ar cheathrú tar éis a ceathair, am Nua-Eabhrac, ar ndóigh.

It leaves at two o'clock in the afternoon and it will be in New York about a quarter past four, New York time, of course.B2