Watchstanding regulate the sailors' duty watches and for other purposes (see main article). Unlike civil clock bells, the strikes of a ship's bell do not accord to the number of the hour. Instead, there are eight bells, one for each half-hour of a four-hour watch. Bells would be struck every half-hour, and in a pattern of pairs for easier counting, with any odd bells at the end of the sequence. Watchstanding Watchstanding, or watchkeeping, in nautical terms concerns the division of qualified personnel to operate a ship continuously. On a typical seafaring vessel, be it naval or merchant, personnel keep watch
The Bells of Hell Go Ting-a-ling-a-ling London, the Salvation Army lassies and other street-praying bands are singing a song that has become universally popular in the crowded sections of the city." It is notable that the lyrics of this Salvation Army version differ slightly both from the established "angels" version and the "devils" version in "Oh, What a Lovely War!": "The bells of hell go ding-a-ling-a-ling" is also the last line in the song by The Pogues, "My Blue Heaven." The Bells of Hell Go Ting-a-ling-a-ling "The Bells of Hell Go Ting-a-ling-a-ling" is a British airmen's song from World War I, which was created around 1911.