Appendix:Glossary of U.S. Navy slang - Wiktionary
https://en.wiktionary.org/wiki/Appendix:Glossary_of_U.S._Navy_slang
Apr 07, 2022 · 0-9: ·Naval method of indicating the time of day aboard ship, usually over the 1MC. One bell corresponds to 30 minutes past the hour. Bells will only be rung as a single strike, or a closely spaced double strike, with a maximum of eight bells (4 sets of 2). Bells repeat themselves every 4 hours. For example 2 sets of 2 bells, followed by a single bell ...
DA: 99 PA: 87 MOZ Rank: 42