WordNet (r) 3.0 (2006):

swing shift
    n 1: the work shift during the evening (as 4 p.m. to midnight)
         [syn: evening shift, swing shift]

Moby Thesaurus II by Grady Ward, 1.0:

25 Moby Thesaurus words for "swing shift":
   anchor watch, bit, day shift, dogwatch, full time, graveyard shift,
   half time, lobster trick, night shift, overtime, part time, relay,
   shift, split schedule, split shift, stint, sunrise watch, time,
   tour, tour of duty, trick, turn, turn of work, watch, work shift