Many healthy babies have some jaundice during the first week of life. It usually goes away. However, jaundice can happen at any age and may be a sign of a problem.
Starts Monday or Sunday. According to international standard ISO 8601, Monday is the first day of the week. It is followed by Tuesday, Wednesday, Thursday, Friday, and Saturday. Sunday is the 7th and final day.
The Calendar Week. 1  Everybody knows it, everybody has heard about it, still, to many of us it remains rather unfamiliar: the calendar week. To make matters worse, the confusion starts anew every year: It is the first of January, hence the first calendarweek of the year.