A Time Zone Calculator is a tool that helps users determine the current time in different regions around the world. It takes into account various time zones, including standard time and daylight saving time, allowing for accurate conversions. This is particularly useful for scheduling meetings or planning travel across different locations. These calculators can be found online or as mobile applications, making them easily accessible. Users simply input their local time and select the desired time zone to see the corresponding time. This functionality is essential for businesses and individuals who communicate or operate internationally, ensuring everyone is on the same page.