English pronunciation of “24-hour clock”

24-hour clock

uk How to pronounce 24-hour clock in British English
us How to pronounce 24-hour clock in American English
uk How to pronounce 24-hour clock in British English
us How to pronounce 24-hour clock in American English

(English pronunciations of “24-hour clock” from the Cambridge Advanced Learner’s Dictionary & Thesaurus and from the Cambridge Academic Content Dictionary, both sources © Cambridge University Press)