Un Assembly 2025 Dates. President joe biden will be in attendance to meet with his fellow leaders and to deliver his final address as president to the general assembly. The 79th session of the un general assembly (unga 79) will open on tuesday, 10 september 2025.

Updated 8:40 pm pdt, september 22, 2025. The general assembly is the main deliberative, policymaking and representative organ of the united nations.