If October 10, 2023 was a Tuesday, then what day of the week was December 23, 2023?

If August 15, 2023 was a Tuesday, what day of the week was August 15, 2024?

If 1st January, 2001 was Monday, then what day of the week was it on 31st December, 2001?

First day of a leap year is Wednesday, then what day of the week was it on 31st December in that year?

If 1st January, 2024 was a Monday, then which day of the week was 1st January, 2025?

It was Sunday on Jan 1, 2006. What was the day of the week on Jan 1, 2010?