This is the 785th most frequent Azerbaijani word.
günləri
"Days" or "on the days."
Here, 'günləri' denotes recurring days of the week, specifically Sundays.
Bazar günləri dostlarımla görüşürəm.
On Sundays, I meet my friends.
In this sentence, 'günləri' refers to particular days during the summer season.
İsti yay günləri çoxlu dondurma yeyirəm.
During hot summer days, I eat a lot of ice cream.
Here, 'günləri' means specific days attributed to a holiday or vacation period.