- Who
- St Pancras Station - London
- What
- 23/71 dimension(s)
- Where
- United Kingdom (London)
- When
The largest advent calendar is 71 m (232 ft 11 in) high and 23 m (75 ft 5 in) wide and was built at St Pancras station, London, UK, to commemorate the station's refurbishment in December 2007.
