📍 Basic Information
Offset: UTC+0
Usage: Historical time standard
Adopted by: United Kingdom, parts of Africa
Based in: Greenwich, London
Abbreviation: GMT
🌐 Significance
🏛️ Key Facts
- Established in 1675 at Royal Observatory
- Used in shipping and navigation
- Reference for global time zones
- Aligned with UTC but less precise
- Daylight saving as BST in UK
This page shows the current time in GMT (Greenwich Mean Time) with a live clock that updates every second. GMT is a key global time standard and is especially useful for scheduling across countries and continents.
What is GMT?
GMT stands for Greenwich Mean Time. It is the mean solar time at the Royal Observatory in Greenwich, London. GMT is used as the base reference time for various time zones around the world. Unlike some time zones, GMT does not change with daylight saving time.
Key Facts About GMT:
- Full Form: Greenwich Mean Time
- Time Offset: UTC+0
- Daylight Saving: GMT itself does not observe DST
- Commonly used in the UK during winter months
How This GMT Clock Works
This live GMT clock adjusts your device's local time and converts it to GMT based on the correct time zone offset. The time shown is refreshed every second, ensuring it always displays the most current Greenwich Mean Time.
Why GMT Time is Important
Knowing the current time in GMT is essential for:
- International communication
- Flight schedules and shipping logistics
- Military and scientific operations
- Time synchronization for computers and servers
- Global financial markets
GMT vs UTC – What’s the Difference?
GMT and UTC are often used interchangeably, but there are slight differences:
- GMT: Based on Earth's rotation and solar time
- UTC: Atomic time standard, more precise
In most everyday uses, GMT and UTC show the same time (UTC+0).
Time Differences Between GMT and Other Zones
- New York (EST): GMT−5 / GMT−4 (DST)
- London (BST in summer): GMT+1
- Berlin (CET): GMT+1 / GMT+2 (DST)
- India (IST): GMT+5:30
- Tokyo (JST): GMT+9
Conclusion
The current time in GMT is crucial for people working with global teams, planning travel, or syncing digital systems. This real-time clock helps you stay accurate and on schedule, no matter where you are in the world. Since GMT remains fixed year-round, it is a reliable reference point for international timekeeping.