The last Friday
The last Friday of Ramadhan is a global day. It isn’t specific to Quds. It is the day of the oppressed nations standing up to the arrogant powers. It is the day in which the oppressed must ready themselves against the arrogant powers, and defeat them. It is the day in which the hypocrites are differentiated from the faithful. The faithful consider this day as the day of Quds, and act in the right way. On the other hand the hypocrites, those who in hiding keep friendship with the arrogant powers, stay indifferent on this day, or they inhibit nations from expressing themselves. On this day, the fate of the oppressed nations must become clear and they must express themselves against the arrogant powers.
From the words of Imam Khomeini