Pakistan officially joined the United Nations (UN) on 30 September 1947 just over a month after its independence from the British Empire. Today, it is a charter member and participates in all of the UN's specialised agencies and organisations. Pakistan has been elected seven times (tied with Colombia and India) into the UN Security Council, with the most recent term in 2013. It is also one of the countries which has had a diplomat, Muhammad Zafarullah Khan, serve a term as the President of the United Nations General Assembly.

Answer this question based on the passage: when did pakistan become member of united nations? Okie... think carefully first, then make a decision:
To answer the above question, the relevant sentence is: Pakistan officially joined the United Nations (UN) on 30 September 1947 just over a month after its independence from the British Empire. So, the answer is 30 September 1947.