The $24^\text{th}$ day of a particular month is a Saturday. On what day of the week was the first day of that month?
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
The $24^\text{th}$ day of a particular month is a Saturday. On what day of the week was the first day of that month?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
\text{Thursday}
The $24^\text{th}$ day of a particular month is a Saturday. On what day of the week was the first day of that month?
train