"Mum, I wired you…"
"Yes, but you said July first. Tomorrow. This is the thirty-first of June."
Norah shook her head balefully. "No, mum, ’tis the first, God curse the evil day."
The tinselly laugh rang out, “But that’s ridiculous! Everyone knows ‘Thirty days hath September, April, June and…’ My God!" There was a moment's silence.