Timestamp Converter
Convert Unix epoch (sec/ms) to ISO/local/relative formats and back. Handy presets.
Timestamp converter
Waiting to enable the Unix timestamp ↔ date converter with helpful context.
About this tool
The Gearizen Timestamp Converter translates Unix epochs into human-readable dates, ISO strings, and local timezones with ease. Engineers, analysts, and support teams rely on it to debug logs, understand scheduled jobs, or reconcile analytics events. Paste a timestamp in seconds or milliseconds and the tool instantly displays UTC, localized formats, and relative differences. Because it operates entirely in your browser, sensitive event data never leaves your machine, making it safe for compliance-bound workflows.
Our detailed guidance covers the nuances of working with Unix time. Learn how to convert between seconds and milliseconds accurately, how to interpret negative timestamps for historical data, and how daylight saving time impacts log analysis. We discuss when to use ISO 8601 strings, how to align timestamps across distributed systems, and how to combine this tool with spreadsheets or BI dashboards. Troubleshooting sections help you catch timezone mismatches, off-by-one errors, and serialization bugs.
SEO-friendly explanations answer questions like "How do I convert epoch to date?" or "Why is my timestamp off by a few hours?" The tutorial walks through real projects including debugging cron jobs, syncing IoT device logs, and reconciling payment gateway reports. Accessibility tips ensure that screen reader users can navigate the outputs, while keyboard shortcuts accelerate repetitive conversions. You'll also find guidance on storing timestamps in databases, rounding strategies for analytics, and best practices for event naming.
For a holistic time-management toolkit, explore related Gearizen utilities such as the JSON Formatter for inspecting timestamped payloads, the UUID Generator for correlating events, and the Text Stats tool for documenting incident timelines. Together they streamline investigation workflows. Bookmark the Timestamp Converter whenever you need fast, accurate date conversions backed by expert commentary and SEO-ready explanations for your team.
Advanced sections demonstrate how to script batch conversions, annotate incidents with relative time math, and integrate outputs into customer support macros. These hands-on workflows convert raw timestamps into narratives stakeholders understand.
How to use
Provide the timestamp
Enter epoch seconds or milliseconds that you need to translate.
Choose conversion direction
Toggle between epoch-to-date and date-to-epoch conversions depending on the task.
Inspect multiple time outputs
Review UTC, localized, and relative time displays to understand context.
Copy the formatted values
Copy the ISO string or local date for incident timelines, dashboards, or reports.
Examples
| Scenario | Input | Output | Notes |
|---|---|---|---|
| Epoch to ISO string with context | 1696346400 | 2023-10-03T12:00:00.000Z • 2 days ago | Document incidents with precise UTC time plus a human-friendly offset. |
| Milliseconds to local time | 1696346400000 | Local date-time string | Correlate analytics events with your timezone and relative difference. |
| Date to epoch | 2024-02-14T09:30 | 1707903000 | Schedule cron jobs confidently. |
| Relative drift check | Preset: Now | Relative to now: right now | Confirm the conversion matches the current moment before toggling units. |
Help & FAQ
Seconds or milliseconds?
Both supported; values <1e12 are treated as seconds.
Timezone?
ISO output is UTC; local shows your browser’s timezone.