Time Zone Converter
Convert between UTC, your local time, and any timezone worldwide. Real-time updates with seconds precision and automatic DST handling.
Your Personal World Clock
My Time Zones
0 of 12 used • 313 timezones available
Why Use Our Converter?
Live UTC Clock
Real-time UTC with seconds precision
Auto Local Detection
Your timezone automatically detected
200+ Timezones
Complete global coverage with DST
Your Personal Grid
Add, remove & customize your zones
Popular Time Conversions
Time Zone Converter & World Clock
Your complete guide to understanding UTC, GMT, and time zone conversions. Plan meetings across global time zones with automatic DST handling.
UTC Time
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What is UTC?
UTC (Coordinated Universal Time) is the primary time standard by which the world regulates clocks and time. It is not a time zone, but a standard from which all time zones are calculated. UTC does not change with seasons (no Daylight Saving Time).
Key Facts:
- • Based on International Atomic Time (TAI)
- • Leap seconds added to match Earth's rotation
- • No Daylight Saving Time - constant year-round
GMT (Greenwich Mean Time)
Based on Earth's rotation at Prime Meridian (0° longitude).
- • Used historically for navigation
- • Less precise, varies up to 0.9 sec/day
UTC (Coordinated Universal Time)
Based on atomic clocks, accurate to nanoseconds.
- • Modern global standard since 1972
- • Used by internet, GPS, finance
Global Time Zone Offsets
Every second
Live Updates
Yes
DST Support
9AM-5PM
Meeting Planner
Any date
Date Range
Instant
Conversion