In Time Sequence questions, you are given a question based on date and time. It is required to find out either date or no. of days satisfying conditions in specific question.
If 3rd December, 1990 is Sunday, what day is 3rd January, 1991 ?
Clearly, 3rd, 10th, 17th, 24th and 31st December 1990 are Sundays.
So, 1st January 1991 is Monday and 3rd January 1991 is Wednesday.