three o'clock
He looked at it now . It said a quarter to three . Did I tell you before what a kindhearted boy Edmund was ? He sat down on the brass doorstep and waited till three o'clock . Then he knocked and rang , and there was a rattling and puffing inside . The great door flew open , and Edmund had only just time to hide behind it when out came an immense yellow dragon , who wriggled off down the brass cave like a long , rattling worm -- or perhaps more like a monstrous centipede . Edmund crept slowly out and saw the dragon stretching herself on the rocks in the sun , and he crept past the great creature and tore down the hill into the town and burst into school , crying out : `` There 's a great dragon coming !