Question 1

What is a Unix timestamp?

Accepted Answer

A Unix timestamp (also called an epoch timestamp) is the number of seconds that have elapsed since January 1, 1970, 00:00:00 UTC. It is a universal way to represent points in time in computing.

Question 2

How do I get the current Unix timestamp?

Accepted Answer

Click the 'Now' button next to the timestamp input to fill in the current Unix timestamp automatically, then click Convert to see all date representations.

Question 3

What is the difference between seconds and milliseconds timestamps?

Accepted Answer

Unix timestamps in seconds have 10 digits (e.g. 1700000000). Millisecond timestamps have 13 digits (e.g. 1700000000000). This tool automatically detects which format you entered.

Question 4

What date formats can I enter?

Accepted Answer

You can enter dates in ISO 8601 format (2024-01-15T12:00:00), common formats like YYYY-MM-DD HH:MM:SS, or any format supported by JavaScript's Date constructor.

Timestamp Converter

Unix Timestamp → Date

Date → Unix Timestamp