The problem with Tai time, in offline systems it’s impossible to implement calendars on top. To translate Tai time to human-readable one, you gonna need a datab

The problem with Tai time, in offline systems it’s impossible to implement calendars on top. To translate Tai time to human-readable one, you gonna need a database of adjustments. We only have that data for very small interval of dates between 1972, and now()+6 months. For the past, it’s possible to workaround by saying “no leap seconds” but this means that 12PM 1000 years ago might be any time of the day. But that workaround not gonna work for the future. For many use cases it’s important to be able to represent date-time for many years in the future. The currently used formats allow that easily, at the price of these unpredictable leap second adjustments.