What's the difference between GMT and UTC?
GMT (Greenwich Mean Time) is a time zone, while UTC (Coordinated Universal Time) is a time standard. For practical purposes, they are the same.
Tool Categories
Free GMT Timestamp Generator & Converter | 1ClickTools
Get current GMT/UTC time with live clock. View and copy Unix timestamps, ISO 8601, UTC strings, and more. Convert timestamps. Free.
Frequently Asked Questions
How is the live clock updated?
The clock refreshes every second using your system clock, keeping the displayed time accurate and in sync.
What's the difference between Unix seconds and milliseconds?
Unix seconds (10 digits) is the standard used by most systems. Milliseconds (13 digits) is used by JavaScript and some other languages. The tool shows both.
Can I convert a specific timestamp?
Yes, switch to 'Convert Timestamp' mode, paste any Unix timestamp (seconds or milliseconds), and see the human-readable date instantly.
How accurate is this gmt timestamp generator tool?
All processing runs entirely in your browser using verified algorithms. Results are computed with full double-precision — no server-side rounding or data transmission occurs.