জাতিসংঘের নিরাপত্তা পরিষদের সভাপতিত্বের মেয়াদ কত?

The Security Council has primary responsibility, under the UN Charter, for the maintenance of international peace and security. It has 15 Members (5 permanent and 10 non-permanent members). The Security Council has a Presidency, which rotates, and changes, every month. Source: UN website