While most stores and boutiques close their doors around 18:00, supermarkets remain open till 20:00 (on Fridays even till 21:00). But even after that you are still able to find anything you need in one of the many nightshops around the city.
There are many such shops in the city centre, for example:
AFG Gent
Hoogstraat 130
Moonlight Nightshop
Tentoonstellingslaan 106
Nightshop Hero
Prinses Clementinalaan 45
Arwanfood
Noordstraat 27
Moon Star
Kortrijksesteenweg 685
Humera
Sluizekenstraat 8
Melanie’s World
Corduwaniersstraat 7
Happy
Kuiperskaai 11
Probal
Overpoorstraat 22
Vice Versa
Lammerstraat 6