International Taxation Question

Abdul is a citizen of Saudi Arabia who lives there most of the year. Abdul, who has never been to the United States, receives significant annual income from his substantial oil holdings in Saudi Arabia. In Year1, Abdul visits the United States from April1 through July30. In Year2, Abdul visits the United States from February1 through June20, and he is also considering a five-day trip to the United States during the month of November. As Abdul's tax advisor, do you think that he should make the trip in November? Assume that Abdul does not meet the closer connection exception. Would your answer change if Abdul held a green card? Please assume that all months contain 30days.