Unix Timestamp Converter
Unix Timestamp Converter
Convert Unix timestamps (seconds & milliseconds) to human dates, or convert calendar dates to epoch timestamps.
Auto-detects 10-digit (seconds) and 13-digit (milliseconds) formats.
Converted Calendar Date
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About Unix Timestamp Converter
Unix epoch time is the standard method for recording dates and events across operating systems, distributed databases, cloud APIs, and log aggregators. ConvertSheet's Unix Timestamp Converter provides a live ticking clock of the current epoch, bidirectional date-to-epoch parsing, and multi-timezone formatting.
How to Convert Unix Timestamp Converter to Result Online in 3 Simple Steps
Convert your data effortlessly with zero installations and complete local privacy.
- 1Step 1:
Input Epoch or Date
Enter a 10-digit timestamp (seconds), a 13-digit timestamp (milliseconds), or pick a calendar date.
- 2Step 2:
Inspect Conversions
View synchronized GMT/UTC time, your local system time, and relative duration.
- 3Step 3:
Copy Timestamps
Copy ISO 8601, RFC 2822, or numeric timestamps with a single click.
Frequently Asked Questions: Unix Timestamp Converter
Answers to common questions regarding inputs, calculations, and mathematical methodology.
What is the Year 2038 problem?
Systems storing Unix time as signed 32-bit integers will overflow on January 19, 2038. Modern 64-bit systems and JavaScript numbers will not overflow for billions of years.
How can I tell if a timestamp is in seconds or milliseconds?
10-digit timestamps (e.g. 1700000000) are in seconds; 13-digit timestamps (e.g. 1700000000000) are in milliseconds.
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