Unix Timestamp Converter: Epoch to Date and Back
Convert a Unix timestamp to a readable date, or a date to a timestamp, in seconds or milliseconds.
Paste a timestamp to see the date in UTC and in your local time, or pick a date to get its timestamp. Ten-digit numbers are read as seconds and thirteen-digit numbers as milliseconds.
Frequently asked questions
- What is a Unix timestamp?
- The number of seconds since 1 January 1970 at 00:00:00 UTC.
- Seconds or milliseconds?
- About 10 digits means seconds, 13 digits means milliseconds. JavaScript uses milliseconds; many servers use seconds.
- What happens in the year 2038?
- Systems that store seconds in a signed 32-bit number overflow on 19 January 2038. Modern 64-bit systems do not.
More tools
Code formatters
CSS beautifier CSS minifier HTML beautifier HTML minifier JavaScript beautifier JavaScript minifier JSON formatter YAML formatter XML formatter SQL formatter Markdown preview
Converters
Base64 encoder and decoder URL encoder and decoder CSV to JSON JSON to CSV HTML entity encoder and decoder Number base converter Time zone converter JSON to TypeScript XML to JSON HTML to Markdown Date difference calculator
Text tools
Regex tester Remove duplicate lines Lorem ipsum generator Word counter Case converter Text diff checker
Color and images
Color converter Contrast checker Image to Base64 Image resizer
Network
Subnet calculator Download time calculator Common ports list CIDR to IP range IPv6 address expander and compressor MAC address formatter curl command builder
Server and files
Cron expression explainer chmod calculator HTTP status codes
Encoding and security
Password generator UUID generator Hash generator JWT decoder QR code generator Password strength checker Wi-Fi QR code generator