A dash is similar in appearance to a hyphen but is longer and used differently. The most common version of the dash is the en dash. Use it with spaces to make a parenthetical reference.

Exemple correcte This morning’s lecture rescheduled from last week was given by Professor Mulligan.

Use it without spaces to express a connection or to indicate a date, time or number range.

Exemple correcte GironaBarcelona bus
Exemple correcte staffstudent relationship

Exemple correcte 20072010
Exemple correcte 3.157.30 p.m.
Exemple correcte 4050 students

Remember that ranges can be expressed by an en dash or by the words from and to (or between and and) but never by a combination of from (or between) and an en dash. Therefore, not

Exemple incorrecte The Arabic discussion group will meet from 3 p.m.–6.30 p.m. on Thursdays.


Exemple correcte The Arabic discussion group will meet from 3 p.m. to 6.30 p.m. on Thursdays.
Darrera actualització: 7-11-2017
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Recommended citation:
«Dashes» [en línia]. A: Criteris de la Universitat de Barcelona (CUB). Style Guide. Barcelona: Universitat de Barcelona. Serveis Lingüístics. <https://www.ub.edu/cub/criteri.php?id=2307> [consulta: 25 juny 2021].