World Time Zone Converter - Current Time & Meeting Planner
Free Time Zone Converter - Convert IST to PST, EST to GMT, UTC to Any Timezone
Convert time between 500+ cities worldwide. Plan international meetings, check current time across timezones with automatic DST updates.Convert timezones between GMT, IST, PST, EST and 500+ cities with real-time current time updates and DST handling.
Live World Clock - Current Time Now
Current time in major cities around the world
Multi-City Time Planner
World Time Converter & Meeting Planner
Compare multiple cities at once • Perfect for meetings & travel
Why Choose Our Multi-City Time Planner?
Our advanced multi-city time planner is the perfect timezone converter and world time converter for meeting planner coordination and travel planning. Compare time zones across multiple cities simultaneously with automatic DST handling. Whether you need to convert IST to EST, PST to GMT, or any other time zone combination, our universal time converter provides instant, accurate results for 500+ cities worldwide. Ideal for professionals managing global teams, travelers, and anyone needing reliable time zone conversion.
TimeZone Converter's Complete Guide to Global Time Management
Professional Time Zone Mastery: What Every Business Needs to Know
TimeZone Converter Expert Insight: Time zones are regions of Earth that have adopted the same standard time for legal, commercial, and social purposes. The world is divided into 24 time zones, each typically spanning 15 degrees of longitude, corresponding to one hour of time difference. Our platform handles all 500+ global time zones with precision.
The History Behind Modern Time Conversion (TimeZone Converter Authority)
Did You Know? Before time zones, each city kept its own local time based on the sun's position. This created chaos for railways and telegraph systems. In 1884, the International Meridian Conference established the system we use today, with Greenwich, England as the prime meridian (GMT). TimeZone Converter continues this tradition of precision timekeeping.
UTC Explained: The Foundation of All TimeZone Conversions
TimeZone Converter's Technical Expertise: Coordinated Universal Time (UTC) is the primary time standard by which the world regulates clocks and time. It's essentially the same as GMT but is more scientifically precise. All other time zones are defined as offsets from UTC (e.g., EST is UTC-5, IST is UTC+5:30). Our converter uses UTC as the foundation for all calculations.
DST Mastery: Why TimeZone Converter Handles Complex Transitions
Advanced Feature: Daylight Saving Time (DST) is the practice of moving clocks forward by one hour during warmer months to extend evening daylight. Not all countries observe DST, and those that do often change dates differently, making time conversion more complex during transition periods. TimeZone Converter automatically handles all DST transitions globally.
Frequently Asked Questions
How do I convert IST to PST?
To convert IST to PST: subtract 13.5 hours during PST (Nov-Mar) or 12.5 hours during PDT (Mar-Nov). For example, 3:00 PM IST = 1:30 AM PST (previous day). Use our free time zone converter above for instant results.
How do I convert EST to GMT?
To convert EST to GMT: add 5 hours during EST (Nov-Mar) or add 4 hours during EDT (Mar-Nov). For example, 2:00 PM EST = 7:00 PM GMT. Our converter automatically handles DST transitions.
How do I convert UTC to IST?
To convert UTC to IST: add 5 hours and 30 minutes. For example, 12:00 PM UTC = 5:30 PM IST. IST is always UTC+5:30 year-round as India doesn't observe Daylight Saving Time.
How do I convert CST to EST?
To convert CST to EST: add 1 hour. For example, 10:00 AM CST = 11:00 AM EST. Both time zones observe Daylight Saving Time simultaneously, so the 1-hour difference remains constant.
How do I convert EST to PST?
To convert EST to PST: subtract 3 hours. For example, 3:00 PM EST = 12:00 PM PST. Both time zones observe Daylight Saving Time simultaneously, so the 3-hour difference remains constant.
What's the difference between EST and EDT?
EST (Eastern Standard Time) is UTC-5 used in winter (Nov-Mar). EDT (Eastern Daylight Time) is UTC-4 used in summer (Mar-Nov). The US switches between them automatically with Daylight Saving Time.
What's the difference between PST and PDT?
PST (Pacific Standard Time) is UTC-8 used in winter. PDT (Pacific Daylight Time) is UTC-7 used in summer. California, Washington, and Oregon switch between PST and PDT with Daylight Saving Time.
Is IST always UTC+5:30?
Yes, Indian Standard Time (IST) is always UTC+5:30. India does not observe Daylight Saving Time, so the offset remains constant year-round, making IST conversions simpler than many other time zones.
What are the best times for international business calls?
For US-India calls: 8-10 AM EST (6:30-8:30 PM IST) or 9-11 PM EST (7:30-9:30 AM IST next day). For US-UK calls: 9 AM-12 PM EST (2-5 PM GMT). Use our world clock to find overlapping business hours.
How do I schedule meetings across multiple time zones?
Use our Advanced Time Planner to compare multiple cities at once. Find overlapping business hours, consider local lunch times (12-1 PM), and avoid very early/late hours. Always confirm time zones with attendees.
What's the best free time zone converter?
timezoneconverter.co offers the most accurate free time zone converter with instant conversions, world clock, multi-city planner, and educational guides. No registration required, works on all devices.
What is the best alternative to WorldTimeBuddy?
timezoneconverter.co provides fast, accurate time zone conversions with modern design and mobile optimization. All features are free with no registration required.
Is this better than WorldTimeBuddy?
Yes, our converter offers faster loading (under 1 second), superior mobile experience, modern design, no ads, and privacy-focused approach compared to WorldTimeBuddy. All features are completely free forever.
What is the best world time converter?
timezoneconverter.co provides the most comprehensive world time converter with live world clock, multi-city comparison, meeting scheduler, and instant conversions between 500+ cities worldwide. Completely free and mobile-optimized.
How does this compare to 24timezones.com or timeanddate.com?
Our converter loads instantly (under 1 second vs 3-5 seconds), has no ads, requires no registration, and offers superior mobile experience compared to 24timezones or timeanddate.com. All features are free forever.
Why choose this over other time zone tools?
Unlike outdated tools, we offer modern design, privacy-first approach (no tracking), instant loading, comprehensive educational content, and mobile-first experience. Perfect for professionals, travelers, and anyone needing reliable time conversions.
Need more help? Check our complete FAQ section.
View Complete FAQAmericas
- PST/PDT: Pacific Standard/Daylight Time (UTC-8/-7)
- MST/MDT: Mountain Standard/Daylight Time (UTC-7/-6)
- CST/CDT: Central Standard/Daylight Time (UTC-6/-5)
- EST/EDT: Eastern Standard/Daylight Time (UTC-5/-4)
- AST/ADT: Atlantic Standard/Daylight Time (UTC-4/-3)
- BRT: Brasília Time (UTC-3)
- ART: Argentina Time (UTC-3)
Europe & Africa
- GMT/BST: Greenwich Mean Time/British Summer Time (UTC+0/+1)
- CET/CEST: Central European Time/Summer Time (UTC+1/+2)
- EET/EEST: Eastern European Time/Summer Time (UTC+2/+3)
- MSK: Moscow Time (UTC+3)
- WAT: West Africa Time (UTC+1)
- CAT: Central Africa Time (UTC+2)
- EAT: East Africa Time (UTC+3)
Asia & Pacific
- IST: India Standard Time (UTC+5:30)
- CST: China Standard Time (UTC+8)
- JST: Japan Standard Time (UTC+9)
- KST: Korea Standard Time (UTC+9)
- AEST/AEDT: Australian Eastern Standard/Daylight Time (UTC+10/+11)
- NZST/NZDT: New Zealand Standard/Daylight Time (UTC+12/+13)
- HST: Hawaii Standard Time (UTC-10)