World time refers to the standard time used across the world, typically measured by the Coordinated Universal Time (UTC) and adjusted for time zones. Synonyms for world time include global time, international time, and universal time. These terms all describe the concept of standardizing time across different regions in the world to simplify international communication, travel, and trade. Other synonyms may include world clock and GMT (Greenwich Mean Time), which is the time zone through which all other time zones are measured. Regardless of the synonym used, world time is essential for businesses and individuals who operate on a global scale.