24/7
adverb/ˌtwenti ˌfɔː ˈsevn/
/ˌtwenti ˌfɔːr ˈsevn/
(also twenty-four seven)
(informal)- twenty-four hours a day, seven days a week (used to mean ‘all the time’)
- He's on duty 24/7.
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24/7