1. A form of daylight-saving time, one hour ahead of UTC, used in the United Kingdom, Ireland and mainland Portugal in summer
   - British Summer Time, Irish Standard Time, Western European Summer Time

Encyclopedia: BST

• Jakob Behmen
• Jakob Bernoulli
• Jakob Boehm
• Jakob Boehme
• Jakob Bohme
• Jakob Grimm
• Jakob Hermandszoon
• Jakob Liebmann Beer
• Jakob Ludwig Felix Mendelssohn-Bartholdy
• Jakob Ludwig Karl Grimm
• Jakob-Creutzfeldt disease
• Jakobson
• Jalalabad
• jalap
• jalapeño
• jalapeño pepper
• jalopy
• jalousie
• jam
• jam session
• jam-packed
• Jamaat ul-Fuqra
• Jamaica
• Jamaica apple
• Jamaica bayberry