When does Christmas come before Thanksgiving?

In a twist, I bring forth day from night, a glass blossom that banishes fright. Filament's whisper, a spark's delight, casting shadows to dance in my soft, warm light.

Tall seat, no backrest, For a drink, I offer perch, Balance, my true test.

A mythical monster and an insect join to form another insect

You can pair it with a cup. It can fly, or can it? Put cream in it and you will make a furry friend.