Juliet meets Romeo at a party her father threw for a bunch of people. Since they are supposed to be enemies, there is a whole story as to how Romeo even got into the party, but I just answered this question.
because Juliet is Capulet and romeo is Montague
They meet at a party
Yes, Romeo and Juliet meet in the daylight. They get married late in the morning.
There is no point at which Juliet refuses to meet Romeo. Perhaps this is a Romeo and Juliet by someone other than Shakespeare you are asking about.
Romeo and Juliet first met in a feast at Capulet's house.
Romeo and Juliet first meet at the Capulet's party
They meet in the capulet's party.
The Capulets throw a big feast in Romeo and Juliet where Romeo and Juliet first meet and fall in love.
Romeo was supposed to meet Rosaline at the ball, but he ends up meeting Juliet instead and falls in love with her.
The note was to tell Juliet to meet Romeo in the cell of Friar Lawrence. This scene was in act 2.
Romeo
at capulet's ball/feast.