On the fourth of July, the Tongans celebrate the King's birthday with the week long Heilala Festival. It coincides with the flowering of the Heilala, Tonga's national flower.
Pa'anga (TOP) = 100 seniti. Notes are in denominations of TOP50, 20, 10, 5, 2 and 1. Coins are in denominations of 50, 20, 10, 5, 2 and 1 seniti.
Politics of Tonga takes place in a framework of a constitutional monarchy, whereby the King is the Head of State and the Commander-in-Chief of the Armed Forces. Tonga's Prime Minister is currently appointed by the King from among the members of Parliament after having won the support of a majority of its members. Executive power is vested in the Cabinet of Ministers. Legislative power is vested in the King in Parliament, and judicial power is vested in the supreme court.