The world has multiple time zones, which means that if you travel to a different country, you will need to adjust your clock.

The US federal government has asked Nasa to develop a time zone for the Moon before embarking on new missions to the lunar surface. The head of the US Office of Science and Technology Policy (OSTP ...

If you've ever traveled across a time zone change, you know it can be confusing if you're not paying attention. Your phone will automatically shift into the new time zone, whether you're paying ...