Ember day
/ˈembə(r)/noun
- any of a number of days reserved for fasting and prayer in the Western Christian Church. Ember days traditionally comprise the Wednesday, Friday, and Saturday following St Lucy's Day (13 December), the first Sunday in Lent, Pentecost (Whitsun), and Holy Cross Day (14 September), though other days are observed locally.四季节（西方基督教派四季斋期中的任一天; 传统上的四季斋期是指12月13日圣露西节之后的星期三、星期五和星期六以及大斋期的第一个星期天、五旬节和9月14日的圣十字架节, 不过有些地方还包括其他一些日子）。
词源
Old English ymbren, perhaps an alteration of ymbryne 'period', from ymb 'about' + ryne 'course', perhaps influenced in part by ecclesiastical Latin quatuor tempora 'four periods' （on which the equivalent German Quatember is based）.