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Epoch Converter

Current Epoch Time

1775991121

Milliseconds:

1775991121000

Epoch / Unix Timestamp to Human Date

Human Date to Epoch / Unix Timestamp

Epoch (seconds)

1775991121

Epoch (milliseconds)

1775991121000
SundayWeek 16Day 102 of year
Pro Features
Batch epoch conversionDate arithmeticExport conversion history

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About Epoch Converter

Epoch Converter is a comprehensive tool for working with epoch timestamps across multiple formats and programming languages. It converts between epoch seconds, milliseconds, microseconds, and nanoseconds, and generates ready-to-use code snippets for getting the current epoch time in various languages. This tool goes beyond basic timestamp conversion by supporting batch operations, timezone-aware formatting, and common date arithmetic.

Key Features

  • Converts epoch timestamps in seconds, milliseconds, microseconds, and nanoseconds precision
  • Generates epoch time code snippets for JavaScript, Python, Java, Go, Ruby, and more
  • Batch converts multiple timestamps at once for bulk log analysis
  • Provides timezone-aware output with support for all IANA timezone names
  • Includes date arithmetic to add or subtract days, hours, and minutes from an epoch value
  • Displays the current epoch time in a live updating counter with multiple precision levels

How to Use Epoch Converter

  1. 1

    Enter an epoch value

    Type or paste an epoch timestamp. The tool auto-detects whether it is in seconds, milliseconds, microseconds, or nanoseconds based on the digit count.

  2. 2

    View the converted date and time

    See the corresponding date and time displayed in multiple formats including ISO 8601, RFC 2822, and a human-friendly local format.

  3. 3

    Select your timezone

    Choose a specific IANA timezone to see the date and time adjusted for that region, or compare across multiple timezones at once.

  4. 4

    Use batch mode for multiple timestamps

    Paste a list of epoch values separated by newlines to convert them all at once, which is useful for analyzing logs or event streams.

  5. 5

    Copy code snippets

    Browse the code snippet section to grab ready-to-use examples for getting the current epoch time in your preferred programming language.

Common Use Cases

Distributed Systems Debugging

Convert and compare epoch timestamps from different services in a microservices architecture to trace event ordering and identify timing issues across systems.

Log Correlation

Batch convert epoch timestamps from application logs, infrastructure metrics, and monitoring alerts to readable dates for incident investigation.

Cross-Language Timestamp Handling

Use the code snippet generator to find the correct syntax for epoch time operations in unfamiliar programming languages during polyglot development.

Time-Series Data Analysis

Convert epoch timestamps in datasets to human-readable dates for exploratory data analysis, charting, and reporting across different timezone contexts.

Why Use Our Epoch Converter

Go beyond basic timestamp conversion with batch processing, multi-precision support, and ready-to-use code snippets in ten programming languages. Unlike simpler epoch tools, this converter handles seconds, milliseconds, microseconds, and nanoseconds with auto-detection, and lets you perform date arithmetic directly. Perfect for debugging distributed systems where you need to correlate timestamps across services quickly.

Batch Timestamps Stay on Your Device

All epoch conversions and date arithmetic run locally in your browser with no data leaving your machine. Batch timestamp lists from production logs, monitoring alerts, and distributed system traces — which can reveal infrastructure topology and incident details — are processed entirely client-side. Correlate sensitive operational timestamps without any external exposure.

Frequently Asked Questions

How does the tool distinguish between seconds and milliseconds?
The tool uses digit count heuristics: 10-digit values are treated as seconds, 13-digit values as milliseconds, 16-digit values as microseconds, and 19-digit values as nanoseconds. You can also manually select the precision if the auto-detection does not match your data.
What programming languages are covered by the code snippets?
The tool provides epoch time snippets for JavaScript, Python, Java, C#, Go, Ruby, PHP, Rust, Swift, and Kotlin. Each snippet shows how to get the current epoch time and how to convert between epoch values and date objects.
Can I perform date arithmetic with epoch values?
Yes. The tool includes an arithmetic section where you can add or subtract seconds, minutes, hours, or days from an epoch timestamp. The result is displayed both as a new epoch value and as a formatted date string.

Last updated: April 6, 2026