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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