Guild Wars 2

On the GW2 wiki page I was reading some things on the ELona page and happened across this:

“Approximately fifty years ago, another wave of Elonian refugees came into Tyria, escaping the ravages of Palawa Joko. Access to Elona is barred off by way of the Desert Gate – the primary land route into the Crystal Desert – having been sealed under Queen Jennah’s order due to a dark presence in the desert. Only the Order of Whispers has knowledge of how to travel to Elona in modern times.” -
http://wiki.guildwars2.com/wiki/Kourna#History

Either it’s worded weirdly, but it talks about how 50 years ago, which I assume is 50 years before the present time in game, about a wave of refugees, then goes right into about Queen Jennah sealed it off with the gate. So did she seal it 50 years ago as queen? How long has she been queen then? How old is she?

I have been researching the calendar and have found out about the 360 day years, with 4 seasons. But not much on how long a day is and things. So what do you people think? Cause this is confusing me, probably more than it should? How different does time work in Tyria compared to the real world we know?