four o’clock
I can feel my head splitting . '' He referred to `` La Savoyarde , '' the big bell of the basilica , which had now begun to toll , sending forth deep sonorous volumes of sound , which ever and ever winged their flight over the immensity of Paris . In the workroom they were all listening to the clang . `` Will it keep on like that till four o'clock ? '' asked Marie . `` Oh ! at four o'clock , '' replied Thomas , `` at the moment of the consecration you will hear something much louder than that .