Unix Epoch Converter
Convert timestamps between seconds, milliseconds, and ISO strings.
Date Add / Subtract Calculator
About Unix Epoch Converter
The Comprehensive Unix Epoch Timestamp & Multi-Timezone Converter translates seconds, milliseconds, microseconds, and nanoseconds to human UTC/ISO-8601/RFC-2822 dates, relative time strings, and programming language datetime snippets.
How to Use Unix Epoch Converter
Step 1
Enter or paste a Unix timestamp (or click "Use Current Time").
Step 2
Select time unit if not automatically detected (Seconds, Milliseconds, Microseconds, Nanoseconds).
Step 3
Review converted ISO-8601, UTC, and local timezone representations.
Step 4
Click "Copy ISO Date" or "Copy Snippet".
Practical Use Cases for Unix Epoch Converter
Backend API Debugging & JWT Token Expiration Auditing
Decode JSON Web Token `exp` and `iat` timestamps (e.g. `1740000000`) into human-readable local and UTC expiration dates.
Database Timestamp & High-Frequency Log Parsing (Nanosecond Accuracy)
Convert Unix epoch timestamps from PostgreSQL, MongoDB ObjectID timestamps, ClickHouse, and AWS CloudWatch log streams.
Input & Output Examples
Decoding Unix Timestamp `1775044800` (Seconds)
Timestamp: `1775044800`
GMT / UTC: `Tue, 31 Mar 2026 12:00:00 GMT` | ISO-8601: `2026-03-31T12:00:00.000Z` | Relative: `in a few weeks` | Milliseconds: `1775044800000`
Key Features & Performance
- ✓Multi-Resolution Timestamp Engine: auto-detects Seconds (10 digits), Milliseconds (13 digits), Microseconds (16 digits), and Nanoseconds (19 digits).
- ✓Current Timestamp Ticker: displays live ticking Unix epoch in seconds and milliseconds.
- ✓Code Generator: exports snippets for JavaScript (`Date`), Python (`datetime.fromtimestamp()`), Go (`time.Unix()`), Rust (`chrono`), and SQL (`TO_TIMESTAMP()`).
- ✓100% Client-Side memory execution.
- ✓1-Click Copy timestamp in any standard format.
Key Terminology & Definitions
Unix Epoch Time
A system for describing a point in time defined as the number of seconds that have elapsed since the Unix epoch (00:00:00 UTC on 1 January 1970), minus leap seconds.
Year 2038 Problem (Y2038)
A time computing issue where 32-bit signed integer Unix timestamps will overflow at 03:14:07 UTC on 19 January 2038, wrapping around to 1901.