Also known as the Christian calendar, the Gregorian calendar is a calendar currently used by many people across the world. The two countries have own calendars unlike the rest of the world which uses the widely followed Gregorian or the Christian calendar. AdvertisementEthiopia whose calendar is seven to eight years behind the rest of the world celebrates their new year on September 11 of the Gregorian calendar or September 12 on leap years of the Gregorian calendar. Also known as the Christian calendar, the Gregorian calendar is a calendar currently used by many people across the world. The Gregorian calendar for instance has Christian origins, even though it has been widely adopted by most countries as the default international standard.

Source: Daily Nation January 01, 2020 12:45 UTC