Boundaries between the continents of Earth Boundaries between the continents of Earth The boundaries between the continents of Earth are generally a matter of geographical convention. Several slightly different conventions are in use. The number of continents is most commonly considered seven but may range as low as four when the Americas and Afro-Eurasia are each considered a single continent. According to the definition of a continent in the strict sense, an island cannot be part of any continent, but by convention and in practice most major islands are associated with a continent. There are three overland boundaries subject to definition: While the isthmus between Asia
Anywhere on Earth "AoE", for "Anywhere on Earth" as a designation. This means that the deadline has not passed if, anywhere on Earth, the deadline date has not yet passed. Note that the day's end AoE occurs at noon Coordinated Universal Time (UTC) of the following day, Howland and Baker islands being halfway around the world from the prime meridian that is the base reference longitude for UTC. Thus, in standard notation this is: Anywhere on Earth Anywhere on Earth (AoE) is a calendar designation which indicates that a period expires when the date passes everywhere on Earth. The last place on Earth