How to use: View current time across major time zones worldwide for international coordination and travel planning. Click "Update World Clock" to refresh current times in all major time zones. Results display: Time zone name and current local time for each region. Covers: UTC (Universal Coordinated Time - global standard), EST/PST (US East/West Coast), GMT (London), CET (Central Europe), IST (India), JST (Tokyo), AEST (Sydney), and more. Time differences: EST = UTC-5, PST = UTC-8, GMT = UTC+0, CET = UTC+1, IST = UTC+5:30, JST = UTC+9, AEST = UTC+10. Essential for: international business calls, global team coordination, flight scheduling, online meetings across continents, and understanding when to contact people in different countries.