Free epoch and Unix timestamp converter, timezone tools, cron expression parser, and date calculators for developers.
EpochPilot is a browser-based suite of 30+ time and timestamp tools for developers. Convert Unix timestamps to human-readable dates, compare timezones with full IANA database support, build and parse cron expressions, calculate date differences, and look up timestamp syntax across every popular programming language. Everything runs locally — no data is sent to any server.
- Unix epoch to human-readable date converter with auto-format detection (seconds and milliseconds)
- Bidirectional date-to-epoch conversion supporting ISO 8601, RFC 3339, and custom formats
- Full IANA timezone database with daylight saving time handling
- Visual cron expression builder with 10 preset templates and next-run preview
- Cron-to-English translator and interactive crontab reference
- Date arithmetic: days between dates, business days, add/subtract days, age calculator
- Language-specific timestamp references for JavaScript, Python, Java, PHP, and Go
- Live UTC and local clocks updating in real time
- 100% client-side — no data leaves your browser
- MIT licensed
- No signup, no tracking
| Tool | Description |
|---|---|
| Epoch Converter | Convert Unix timestamps to human-readable dates |
| Epoch to Date | Epoch timestamp to readable date format |
| Date to Epoch | Convert any date to Unix timestamp |
| Unix Timestamp Converter | Universal Unix timestamp converter |
| Milliseconds Converter | Convert millisecond timestamps to dates |
| Timezone Converter | Convert between any IANA timezones |
| UTC Converter | Convert local time to and from UTC |
| GMT Converter | GMT timezone conversion with DST awareness |
| EST to UTC | Eastern Standard Time to UTC converter |
| PST to UTC | Pacific Standard Time to UTC converter |
| UTC to PST | UTC to Pacific Standard Time converter |
| CET to UTC | Central European Time to UTC converter |
| IST to UTC | India Standard Time to UTC converter |
| JST to UTC | Japan Standard Time to UTC converter |
| AEST to UTC | Australian Eastern Time to UTC converter |
| Cron Expression Builder | Visual cron expression builder |
| Cron to English | Translate cron expressions to plain English |
| Cron Next Runs | Preview next execution times of a cron job |
| Cron Job Generator | Generate cron job configurations |
| Crontab Guru | Interactive crontab reference and tester |
| Days Between Dates | Calculate days between two dates |
| Weeks Between Dates | Calculate weeks between two dates |
| Date Add/Subtract | Add or subtract days, months, years from a date |
| Business Days Calculator | Count working days, excluding weekends |
| Age Calculator | Calculate exact age in years, months, and days |
| JavaScript Timestamp | Date.now() and new Date() reference for JS |
| Python Timestamp | time.time() and datetime reference for Python |
| Java Timestamp | System.currentTimeMillis() reference for Java |
| PHP Timestamp | time() and strtotime() reference for PHP |
| Golang Timestamp | time.Now().Unix() reference for Go |
- API Timestamp Formats (2026) — Side-by-side comparison of how popular APIs format timestamps
- Timestamp Format Encyclopedia — Every timestamp format in every major system
- Timestamp Gotchas — Timestamp bugs you will hit and how to avoid them
- Pure HTML, CSS, and vanilla JavaScript
- No build step
- No external dependencies (except Google Fonts on some pages)
- Hosted on GitHub Pages with Cloudflare CDN
EpochPilot is part of Zovo Tools — free developer tools by a solo developer. No tracking, no signup, no nonsense.
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MIT licensed.
Built and maintained by Michael Lip. For questions or feedback: support@zovo.one