All months have a 28th day. However, there are specific months that have only 28 days and never exceed that number. These months are February in non-leap years, which has 28 days, and February in leap years, which has 29 days. In all other months, the 28th day is followed by additional days, extending the total number of days in those months.

Which months have the 28th day? ( Những thánh nào có 28 ngày ?)
All months ( Tất cả  các tháng)

All months have the 28th day.

All 12 months have at least 28 days.