I did but there is something wrong with the software.
You should not need to go and change every single time you move from one country to another...
I have to do it almost every other day since I'm a pilot...
I have the same problem on my S7 edge. I have moved and I can't change the home time zone. I have searched the settings for the widgets option, dual clock, time zone and nothing came out. I only have the automatic time zone option that doesn't have the home time zone feature when you turn it off.
On the S7 Edge...
# Lock screen and security
# Info and App shortcuts
# Dual Clock (chose ON), then "tap" on Dual Clock
Check Set Home Time Zone, "tap" to change it for the desired time...
I'm in the exact same boat as you. I'm a pilot as well and everytime I go to a new time zone, the dual clock's "home time zone" keep resetting to whatever the local time zone is. This is a new glitch for me as it used to work perfectly. It's incredibly annoying. Does anyone know of a solution?