Disagree. Say, you set an alarm clock for Mar, 12,...

# random

[orangy]

Disagree. Say, you set an alarm clock for Mar, 12, 2018, at 21:00. Software converts it to UTC according to user’s current timezone, and store it like this. Then some rules change (daylight, political regime, whatever), and after converting it back it will be 22:00. Ooops, you missed the plane.