The repayment date of CMB credit card is18th day after the billing date, while the billing date of your credit card is the 7th day of each month (fixed), so the repayment date is18th day after the billing date, which is the 25th day of each month.
March 8-April 7 is a billing cycle, and the credit card consumption in this cycle will be recorded on April 7 and repaid before April 25.
April 8-May 7 is a billing cycle, and the credit card consumption in this cycle will be recorded on May 7 and repaid before May 25. And so on.
Therefore, if the bill is swiped on the same day, the interest-free period is the shortest, only 18 days (swiped on April 7 and repaid on April 25). If you swipe your card after the bill, the interest-free period is the longest, 48 days (swipe your card on April 8 and repay it on May 25). Be sure to know the billing date and repayment date of your credit card so as not to miss it.