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

  1. Provide the timestamp

    Enter epoch seconds or milliseconds that you need to translate.

  2. Choose conversion direction

    Toggle between epoch-to-date and date-to-epoch conversions depending on the task.

  3. Inspect multiple time outputs

    Review UTC, localized, and relative time displays to understand context.

  4. Copy the formatted values

    Copy the ISO string or local date for incident timelines, dashboards, or reports.

Examples

ScenarioInputOutputNotes
Epoch to ISO string with context16963464002023-10-03T12:00:00.000Z • 2 days agoDocument incidents with precise UTC time plus a human-friendly offset.
Milliseconds to local time1696346400000Local date-time stringCorrelate analytics events with your timezone and relative difference.
Date to epoch2024-02-14T09:301707903000Schedule cron jobs confidently.
Relative drift checkPreset: NowRelative to now: right nowConfirm 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.