What is a Unix timestamp?

Seconds since January 1, 1970 (UTC). Standard time representation in computing.

What is the Y2038 problem?

32-bit integer timestamps overflow on Jan 19, 2038. Modern systems use 64-bit integers.

Enter a timestamp here to see human-readable date in multiple formats and time zones.

How do I get the current Unix timestamp in different programming languages?

JavaScript: Date.now()/1000, Python: time.time(), PHP: time(), Java: System.currentTimeMillis()/1000, Ruby: Time.now.to_i, Go: time.Now().Unix(), C#: DateTimeOffset.UtcNow.ToUnixTimeSeconds().

What is the difference between Unix timestamp and ISO 8601 date format?

Unix timestamp is a single number (seconds since 1970-01-01 UTC). ISO 8601 is a human-readable string like '2025-01-15T14:30:00Z'. Timestamps are compact for storage; ISO 8601 is better for display and APIs.

Unix Timestamp Converter

Convert between timestamps and dates

Current Unix Timestamp

Timestamp → Date

Date → Timestamp

What is Unix Timestamp?

Unix timestamp (or Epoch time) is the number of seconds that have elapsed since January 1, 1970 (midnight UTC/GMT).

It's widely used in programming for storing and comparing dates because it's timezone-independent and easy to calculate with.

Common Timestamps

0: January 1, 1970 00:00:00 UTC (Unix Epoch)

1000000000: September 9, 2001

2147483647: January 19, 2038 (32-bit overflow)

Unix Timestamp Converter

Timestamp → Date

Date → Timestamp

What is Unix Timestamp?

Common Timestamps

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