January 1, 2000 was on a Saturday. On what day of the week was January 1, 1960?
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
January 1, 2000 was on a Saturday. On what day of the week was January 1, 1960?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
\text{Friday}
January 1, 2000 was on a Saturday. On what day of the week was January 1, 1960?
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