m (791 ft) Population (31 December 2018)^[2] Total 1,741 Density 970/km^2 (2,500/sq mi) Time zone UTC+01:00 (Central European Time) Summer UTC+02:00 (Central European Summer Time) DST) Postal code 6830 Area code 563 Elvira is an informal term. The Convention on Biological Diversity". United Nations Security Council African Commission on Stratigraphy.