- (Received Pronunciation) IPA(key): /ˌbɪə(ɹ) əˈklɒk/, /ˌbɪə(ɹ) əʊˈklɒk/
- (General American) IPA(key): /ˌbiːɹ əˈklɑk/, /ˌbiːɹ oʊˈklɑk/, /ˌbiə̯ɹ əˈklɑk/
- (slang, humorous) The time of the first beer (or alcoholic beverage) of the day.
1999 February 22, Christopher Somerville, The Observer:
- Pack an esky with ice-cold bottles of Cooper's Green Label and head down to Holloways Beach, just north of Cairns, around beer o'clock on a Friday afternoon.
1999 April 6, Stephen King, The Girl who Loved Tom Gordon, New York, N.Y.: Scribner, ISBN 978-0-684-86762-5; Pocket Books paperback edition, New York, N.Y.: Pocket Books, May 2017, ISBN 978-1-5011-5751-6, page 84:
- He let her go and stood up. "I also believe it's beer o'clock. You want some iced tea?"
2006, Arthur J. Binks, “Santa Cruz”, in Wine, Women and Sailing, Cambridge: Vanguard Press, ISBN 978-1-84386-252-9, page 89:
- One big rule that we never ever break is to open a can of ale before beer o'clock. Luckily this can be anytime betwen 1000 and 1300 hours and woe-betide anyone on watch who forgets to waken the other at this crucial time of day.