There is no specific time limit for credit card repayments. We can explain this in detail in the following points:

1. Billing date and repayment date: Each credit card will set a billing date, which is the last day of the billing cycle. After the billing date, there is usually a fixed repayment date as the repayment deadline. However, there is no specific time limit for repayment before the repayment date.

2. Minimum repayment amount: Credit card companies usually require cardholders to repay at least a certain amount every month, which is called the minimum repayment amount. As long as you make the minimum payment before the due date, you can avoid late fees and negative effects on your credit history.

3. Full repayment: In addition to the minimum repayment amount, you can also choose to repay in full, that is, pay off the entire debt before the repayment date. Paying off your loan in full avoids interest charges and also has a positive impact on your credit history.

To sum up, there is no strict time limit for credit card repayments. You can choose to pay the minimum payment before the repayment date or pay it in full. Paying off your loan in full avoids interest and a negative impact on your credit history. In addition, the repayment date and statement date vary according to different credit card companies and personal circumstances. You need to check the bill or the official credit card channel for the accurate repayment date.

Extended information:

When using a credit card for consumption, cardholders need to pay attention to timely repayment to avoid overdue fees and adverse effects on personal credit records. Timely repayment can maintain good credit and obtain a higher credit limit and better borrowing terms.

If there is no specific repayment time limit mentioned in the question, we can assume that the credit card company will stipulate a repayment date or minimum repayment amount to constrain the cardholder's repayment behavior. Cardholders can choose the repayment method and time that best suits them based on their actual situation and financial situation.