But most people in 24-hour countries are so used to both systems that they have no problem switching between the two (source).Because of this, you should display your times in 12-hour clock as the default.
Imagine a user who is attending event and doesn’t notice the change in timezone or makes a mistake converting it.
The user would end up missing that event, which could lead to unfortunate consequences.
The benefit of absolute timestamps over relative ones is that they offer a precise date and time.
But dates and times are hard to interpret because not all users live in the same timezone or country.
Some put the day number first, some put the month number first and some put the year first.