The colour is Violet or Blue (Sarum).
The Gloria is not used.
Many Roman Catholics are, this Advent Sunday, moving to the new English Mass translation. New Zealand, having started early, now has this transition delayed.
Textweek resources
The readings
• collect/opening prayer reflection for November 27 Advent 1 and the week following
Do you have any ideas or resources for Advent? Please add them in the comments.