Unix Timestamp Converter

Convert Unix timestamps to human-readable dates and back.

Guides & Reference

How It Works

Converts seconds since January 1, 1970 UTC to human-readable date. JavaScript uses milliseconds so divide by 1000 first.

Formula

Unix = seconds since 1970-01-01

Quick Reference

Common calculations — results you can verify instantly.

Unix time 0

Epoch start

Jan 1, 1970 UTC

1,700,000,000

Nov 2023

Nov 14, 2023 22:13 UTC

Current timestamp

Approx 2024

~1,704,000,000+

Tips & Shortcuts

Timestamp 0 = Jan 1, 1970 midnight UTC.

Current value approximately 1.7 billion.

Common Mistakes

Using JS milliseconds as Unix timestamp

JavaScript Date.now() returns milliseconds. Divide by 1000.

Ignoring timezone

Unix timestamp is always UTC. Convert to local for display.

Frequently Asked Questions

Approximately 1.7 billion in 2024. Increases by 1 every second.

January 19, 2038 (Year 2038 problem). 64-bit systems safe.

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