4th session of the 54th Parliament of the United Kingdom
3 December 2008 - 12 November 2009
Parliament: 54th
Citation by calendar years: 2008-09
Citation by regnal years: 57 & 58 Eliz. 2
Wikidata ID: Q108990995
Regnal years
| Regnal year | Start date | End date |
| 57 Eliz. 2 | 6 February 2008 | 5 February 2009 |
| 58 Eliz. 2 | 6 February 2009 | 5 February 2010 |