Sentence:  To them he could have been the broken bell in the church tower which rang before and after Mass , and at noon , and at six each <WSD>evening</WSD> - its tone , repetitive , monotonous , never breaking the boredom of the streets . 
Meaning of the word marked with <WSD> tags:  the latter part of the day (the period of decreasing daylight from late afternoon until nightfall)