Time Zone Converter

Convert between any time zones instantly. Select a conversion below or use our main clock tool for city-based conversions. Supports PST, EST, CST, MST, GMT, UTC, IST, JST, AEST and dozens more time zones worldwide.

Most Popular Conversions

• PST to EST — Pacific Standard Time to Eastern Standard Time
• EST to PST — Eastern Standard Time to Pacific Standard Time
• CST to EST — Central Standard Time to Eastern Standard Time
• EST to CST — Eastern Standard Time to Central Standard Time
• PST to CST — Pacific Standard Time to Central Standard Time
• CST to PST — Central Standard Time to Pacific Standard Time
• MST to EST — Mountain Standard Time to Eastern Standard Time
• EST to MST — Eastern Standard Time to Mountain Standard Time
• PST to MST — Pacific Standard Time to Mountain Standard Time
• MST to PST — Mountain Standard Time to Pacific Standard Time
• PST to GMT — Pacific Standard Time to Greenwich Mean Time
• EST to GMT — Eastern Standard Time to Greenwich Mean Time
• CST to GMT — Central Standard Time to Greenwich Mean Time
• PST to UTC — Pacific Standard Time to Coordinated Universal Time
• EST to UTC — Eastern Standard Time to Coordinated Universal Time
• GMT to EST — Greenwich Mean Time to Eastern Standard Time
• GMT to PST — Greenwich Mean Time to Pacific Standard Time
• UTC to EST — Coordinated Universal Time to Eastern Standard Time
• UTC to PST — Coordinated Universal Time to Pacific Standard Time
• PST to CET — Pacific Standard Time to Central European Time

All Time Zones by Region

About Time Zone Conversion

Time zones divide the world into regions that observe the same standard time. Converting between time zones is essential for international business, remote work, travel planning, and coordinating with friends and family abroad.

Common Time Zone Abbreviations

• PST/PDT: Pacific Standard/Daylight Time (US West Coast)
• EST/EDT: Eastern Standard/Daylight Time (US East Coast)
• GMT: Greenwich Mean Time (UK, when not in DST)
• UTC: Coordinated Universal Time (global standard)
• IST: India Standard Time
• JST: Japan Standard Time
• AEST: Australian Eastern Standard Time

Tips for Time Zone Conversion

• Remember that Daylight Saving Time can change offsets by 1 hour
• Not all countries observe DST — check both locations
• Some time zones have 30 or 45-minute offsets (India, Nepal, parts of Australia)
• Use city-based conversion for accuracy during DST transitions