This is the 8053rd most frequent Russian word.
круглосуточно
"Круглосуточно" means "around the clock" or "24/7."
Here, 'круглосуточно' is used as an adverb meaning 'around the clock' or '24/7' to indicate the operational hours of the store.
Магазин работает круглосуточно.
The store operates 24/7.
In this example, 'круглосуточно' emphasizes continuous availability without interruption, describing the service's accessibility.
Этот сервис доступен круглосуточно.
This service is available 24/7.
Usage here shows 'круглосуточно' referring to the constant availability of customer support services.