Eastern Standard Time

• Eastern Standard Time (EST) is -5 hours behind Coordinated Universal Time, UTC-5, it is used in winter. In summer used Eastern Daylight Time, UTC-4
• Wikipedia: Eastern Standard Time

Countries in Eastern Standard Time

• Bahamas: Nassau
• Canada: Ottawa
• Cayman Islands: George Town
• Haiti: Port-au-Prince
• Jamaica: Kingston
• Mexico:
  
  • Quintana Roo
• Panama: Panama City
• Turks and Caicos Islands: Cockburn Town
• United States: Washington