Sources: Tonga Ministry of Information and Communications (Nuku'alofa) and Tonga bank holidays and public holidays (qppstudio.net). The Tongan Ministry of Information and Communications has confirmed that Tuesday, September 17, 2013, would once again be an official public holiday in Tonga to mark the Official Birthday of His Royal Highness Crown Prince Tupouto'a ‘Ulukalala. [full story]