Note the date difference between the event header and the event description 请注意事件标头与事件说明之间的日期差别。
2.
Gets or sets the number of days to add or subtract from the calendar to accommodate the variances in the start and the end of ramadan and to accommodate the date difference between countries regions 获取或设置要在日历中添加或减去的天数，以适应ramadan的开头和结尾中的差异以及国家/地区间的日期差别。
