"during advent" is a correct and usable phrase in written English.
You can use it when referring to the period leading up to Christmas, which usually starts four Sundays before December 25. For example, you could say: "Many churches will be offering special services during advent."
The center holds a small tribute every year during Advent.
* * * Atheism is at its most glamorous and clamorous during Advent.
It is said that during Advent, each of Lichtenburg's windows was lighted to welcome the baby Jesus.
Double rooms go for 179 euros, about $235, including breakfast (290 euros during Advent and New Year's).
If you're looking for ways to reflect during advent, have a look at this resource – there is a primary and secondary version.
Ushka, the Ukrainian word for dumplings, means ear, perhaps as a rueful reference to the meat from which devout Ukrainian Christians abstain during Advent, the period before Christmas.
When I was nine, I was chosen to play the part of Mary during an Advent Mass.
Tropicália found a unique response to the dilemmas of making art in the "third world" during the advent of mass consumerism, but it had no explicit political programme.
Michel Hazanavicius's black-and-white romance, set during the advent of the talkies, is a movie machine-tooled to woo Hollywood.
Stuart Russell, the co-author of the textbook "Artificial Intelligence: A Modern Approach" and one of Bostrom's most vocal supporters in A.I., told me that he had been studying the physics community during the advent of nuclear weapons.
This concept indicated a shift away from the emphasis on communal, classroom teaching, which marked educational practices in the nineteenth century during the advent of widely available public education.
