World City Abbreviations Reference Table
Country Name  | City code  | Time Offset  | DST Period  | 
  | 
  | (GMT = 0) | 
  | 
Beijing, China  | BEJ  | 8  | No DST  | 
Berlin, Germany  | BER  | 1  | From Last Sunday in March to Last  | 
  | 
  | 
  | Sunday in October  | 
Beirut, Lebanon  | BEY  | 2  | From Last Sunday in March to Last  | 
  | 
  | 
  | Sunday in October  | 
Bangkok, Thailand  | BKK  | 7  | No DST  | 
Brisbane, Australia  | BNE  | 10  | No DST  | 
Bogota, Colombia  | BOG | No DST  | |
Boston MA, USA  | BOS | From 1st Sunday in April to Last  | |
  | 
  | 
  | Sunday in October  | 
Bern, Switzerland  | BRN  | 1  | From Last Sunday in March to Last  | 
  | 
  | 
  | Sunday in October  | 
Brussels, Belgium  | BRU  | 1  | From Last Sunday in March to Last  | 
  | 
  | 
  | Sunday in October  | 
Brasilia, Brazil  | BSB  | From 2nd Sunday of October to  | |
  | 
  | 
  | 3rd Sunday of February  | 
Buenos Aires, Argentina BUA  | No DST  | ||
Budapest, Hungary  | BUD  | 1  | From Last Sunday in March to Last  | 
  | 
  | 
  | Sunday in October  | 
Cairo, Egypt  | CAI  | 2  | From Last Friday in April to Last  | 
  | 
  | 
  | Friday in September  |