For example the first day of the year has a value of 9 in the five-day-week, 5 in the seven-day-week: 9+5+1-10=5, which is equivalent to the urip value of the first day of the ten-day-week, so the day is a Sri in the ten-day week.
For instance, the first day of the year has a value of 9 in a five-day week, 5 in a seven-day week: 9+5+1-10=5, which is equivalent to the urip value of the first day of the ten-day week, so the day is a Sri in the ten-day week.