Google Calendar is built around notifications and coordination, which both require an agreed upon "actual" time.
The feature set you're looking for sounds more like an "agenda" to me.
The feature set you're looking for sounds more like an "agenda" to me.
And that if the event arrives without having touched users in different timezones, then the software should infer that the event's timezone is the local timezone of all users at that point in time and space.
This is great not only for me but also for other people trying to schedule events in my calendar.
With Gmail picking up flight and hotel confirmations this could even be mostly automatic.