Unix Timestamp Converter
Data Converters100% Client-SideConvert Unix epoch timestamps (seconds & milliseconds) to human-readable date and time formats.
Current Unix Epoch Time
1793550583(1793550583000 ms)
Timestamp → Human Date
Enter Unix Timestamp (sec or ms):
ISO 8601 (UTC):
2026-11-01T16:29:43.000Z
Local Time:
11/1/2026, 4:29:43 PM
GMT / UTC:
Sun, 01 Nov 2026 16:29:43 GMT
Relative:now
Human Date → Unix Timestamp
Seconds (10 digits):
1793550540
Milliseconds (13 digits):
1793550540000
SponsorNon-intrusive
What is Unix Timestamp Converter?
Unix time represents the number of seconds that have elapsed since January 1, 1970 UTC. This tool converts between Unix timestamps (seconds, milliseconds, microseconds) and ISO 8601, UTC, and local timezone formats.
How to Use Online
- 1Enter Timestamp or DatePaste an Epoch number (10 digits for seconds, 13 for milliseconds) or pick a date from the calendar.
- 2Select Unit FormatChoose seconds or milliseconds mode to ensure accurate unit resolution.
- 3View Dual TimezonesInstantly view converted dates in both UTC standard time and your local timezone.
- 4Copy ISO FormatCopy the standard ISO 8601 date string, RFC 2822 format, or relative time description.
Key Features
- Live current Unix epoch clock in seconds and milliseconds
- Bidirectional conversion (Timestamp → Date & Date → Timestamp)
- Relative time calculation (e.g., "5 minutes ago", "in 2 days")
- Displays UTC, Local Time, ISO 8601, and RFC 2822 formats
- Supports Unix seconds (10 digits) and milliseconds (13 digits)
Common Use Cases
- Debugging expiration timestamps in JWT tokens
- Inspecting database created_at / updated_at integer columns
- Converting API payload timestamps to local human readable time
Frequently Asked Questions
On 32-bit systems, the signed 32-bit integer timestamp will overflow on January 19, 2038. Modern 64-bit systems handle timestamps for billions of years into the future without issue.