How to rename a time zone with someone's name

Here are the instructions on how to rename a time zone with a person's name:

• Add the city in which they live
• Tap 'Edit' in the top left of the main app 
• Tap on the Edit icon that pops up and type what you like in the box where the city name currently shows, ie: the person's name
• Tap 'Done' once you've finished to save