What is Capital of Bulgaria?
geographic coordinates: 42 41 N, 23 19 E
time difference: UTC+2 (7 hours ahead of Washington, DC, during Standard Time)
daylight saving time: +1hr, begins last Sunday in March; ends last Sunday in October
reference: The World Factbook 2017. Washington, DC: Central Intelligence Agency, 2017. https://www.cia.gov/library/publications/the-world-factbook/index.html