Timestamp Converter
Convert unix timestamp to date and time instantly. Paste any epoch timestamp (seconds or milliseconds) and get a human-readable date. Free, no signup.
Loading tool...
How to Use Timestamp Converter
- Enter a Unix timestamp (seconds or milliseconds) to convert to date
- Or select a date/time to convert to Unix timestamp
- Toggle between seconds (10-digit) and milliseconds (13-digit) formats
- View the result in multiple date formats (ISO, RFC, custom)
- Copy any format with one click
- Use "Now" button to get the current timestamp
About Timestamp Converter
Convert between Unix timestamps and human-readable dates instantly with our free Timestamp Converter. Unix timestamps (also called Epoch time) represent time as the number of seconds since January 1, 1970 (UTC), and are the standard way computers store and communicate time.
What is a Unix Timestamp? Unix time (or POSIX time) is a system for describing points in time as the number of seconds that have elapsed since 00:00:00 UTC on January 1, 1970 (the "Unix Epoch"). This format is used universally in programming, databases, APIs, and system logs.
Converter Features: - Timestamp to Date: Convert Unix timestamp to readable date/time - Date to Timestamp: Convert any date/time to Unix timestamp - Seconds & Milliseconds: Support for both standard (10-digit) and JavaScript (13-digit) timestamps - Multiple Formats: ISO 8601, RFC 2822, and custom formats - Timezone Handling: Convert between UTC and local time - Current Timestamp: Show the current Unix timestamp live
Common Timestamp Formats: - Unix (seconds): 1703001600 (10 digits) - Unix (milliseconds): 1703001600000 (13 digits, used by JavaScript) - ISO 8601: 2024-12-20T00:00:00Z - RFC 2822: Fri, 20 Dec 2024 00:00:00 +0000
Why Timestamps Matter: - Database Storage: Efficient, timezone-agnostic time storage - API Communication: Standard format for passing dates between systems - Log Analysis: Consistent time format across distributed systems - Debugging: Understanding when events occurred in logs
All conversions happen in your browser with no server communication, making it fast and private for analyzing system logs or debugging timestamp-related issues.
Common Use Cases
Frequently Asked Questions
What is the Unix Epoch?
The Unix Epoch is January 1, 1970 at 00:00:00 UTC. It's the reference point from which Unix time is calculated. All Unix timestamps represent seconds (or milliseconds) elapsed since this moment.
Why do some timestamps have 13 digits?
Standard Unix timestamps are in seconds (10 digits). JavaScript and many modern systems use milliseconds (13 digits) for greater precision. Divide a millisecond timestamp by 1000 to convert to seconds.
Will Unix timestamps run out?
The original 32-bit Unix timestamp will overflow on January 19, 2038 (Y2K38 problem). Most modern systems use 64-bit timestamps, which won't overflow for billions of years.
How do I handle timezones with Unix timestamps?
Unix timestamps are always in UTC. To display in local time, convert the UTC timestamp to your local timezone. When creating timestamps, convert local time to UTC first. This ensures consistency across timezones.
Can Unix timestamps be negative?
Yes! Negative timestamps represent dates before January 1, 1970. For example, -86400 represents December 31, 1969. Most systems support negative timestamps for historical dates.
Related Guides
Related Tools
Diff Checker
Compare two files or texts online free — no paywall, no signup. Highlights additions, deletions, and changes line by line. Works for code, configs, documents.
Character Counter
Count characters, words, sentences, and paragraphs in real-time. Perfect for Twitter, essays, SEO meta tags. Free online writing tool.
Case Converter
Convert text between UPPERCASE, lowercase, Title Case, Sentence case, and more. Free online text transformation tool for writers and developers.