Sources: Tonga Ministry of Information and Communications (Nuku'alofa) and Tonga bank holidays and public holidays (qppstudio.net). Tonga's Legislative Assembly has passed amendments to the Public Holidays Act of 2013, changing the rules used to determine the date of observance of the Tongan non-working public holidays for the Birthday of the reigning Sovereign of Tonga and for the Birthday of the Heir to the Crown of Tonga. [full story]