The text is about the calculations and display of the sunrise and sunset times in Port Moresby, Papua New Guinea for December 2023. It includes a generic astronomy calculator, photos of the sunrise and sunset, current local time and timezone, day length, and changes in length in a graph and table format. The specific location mentioned is Port Moresby District in the Central Province of Papua New Guinea. The current sunrise is at 5:42 and sunset at 18:24, and the website provides an overview of the sunrise and sunset times for the entire year.