The sun is yet an hour away what's the meaning of this sentence? Does it mean the sun set an hour ago or the sun will start to rise in an hour?

A despicable couple Last weekend,I went to the gourmet plaza near Olympic Forest Park after sports.There are so many people that I can hardly find an empty table.Besides,there is no waitress or waiter here and everyone was busy serving himself.I have ordered an beef rice and kept walking around with the food tray.I was so tired and so hungry and totally exhausted.Suddenly,I find a table with four seats but only seated two people-one woman and one man,seems to be a couple.Thank goodness!I walked up to them quickly and asked them politely:"I beg your pardon. Is this seat taken?“The woman looked at me over and responded briefly:"Yes".Filled with disappointment though,I still thanked them politely and walked away.Finally,I found a seat not far away from their table and gobbled my lunch down.Then I had a glance at the couple.They almost finished their lunch too.And to my surprise,the seats beside them are still empty.They lied to me!How could they do that? I was so shocked and full of anger.But I didn't say anything or do anything.It's still crowed with people here.I just left my seat so someone else could sit down for meals.You know,I never expect others' help when I need them.But at least,I wish no one's gonna hurt me.The couple didn't want to be bothered in their world.I understood,really,because I can read "no space for the third man"on their faces.But it's a public place and they have no rights to appropriate a table for four. Selfish,despicable,blind lovers are the most worst creatures on Earth.I hope I would never meet them again.