Which of the following countries has 13 months of sunshine?

Ethiopia's history dates back to the third century B.C. It is characterized by a mosaic of diverse cultures and people who speak more than 80 languages. As the cradle of the human race, it has more UNESCO (United Nations Educational, Scientific and Cultural Organization) registered world-heritage sites than any other country. It follows a 13-month lunar calendar with each month lasting 30 days, except the 13th month of five days (six days if it's a leap year). Ethiopia enjoys 13 months of sunshine and is home to the Arc of the Covenant, rock-hewn churches, caves and monuments carved from a single stone that date back to the fourth century. It is also home to the Blue Nile which is one the longest flowing rivers and a thirst quencher to the Sudan and Egypt. Its capital city, Addis Ababa, at an altitude of 8,000 feet, is the seat of the African Union, with the designation as being 'the Capital City of Africa.