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How to get the client timezone offset in JavaScript?
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How to Get the Timestamp in JavaScript?

Last Updated : 20 Nov, 2024
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A timestamp is a numeric representation of the current time. It is a unique identifier that marks the exact moment when an event occurred or when a certain action was performed.

1. Using Date.now() Method

This approach uses Date.now() method. This method returns the number of milliseconds since January 1, 1970, 00:00:00 UTC. It is a static method of the Date object and is widely supported by modern browsers.

Syntax

let timestamp = Date.now();

Example: Timestamp will hold the current timestamp in milliseconds, and it will be logged to the console. If you want the timestamp in seconds, you can divide the result by 1000:

JavaScript 
const timestamp = Date.now(); console.log(timestamp);

Output
1730311218300

2. Using new Date().getTime() Method

This approaches uses new Date().getTime() method. This method also returns the number of milliseconds since January 1, 1970, 00:00:00 UTC. It is an instance method of the Date object and is equivalent to calling the valueOf() method.

Syntax

let timestamp = new Date().getTime();

Example: The new Date().getTime() method is used to create a new Date object and retrieve its timestamp in milliseconds. The timestamp variable will hold the current timestamp, and it will be logged to the console.

JavaScript 
const timestamp = new Date().getTime(); console.log(timestamp);

Output
1730311218647

3. Using new Date().valueOf() Method

This approach uses new Date().valueOf() method. This method returns the primitive value of a Date object, which is the number of milliseconds since January 1, 1970, 00:00:00 UTC.

Syntax

let timestamp = new Date().valueOf();

Example: The new Date().valueOf() creates a new Date object and retrieves its timestamp in milliseconds. The timestamp variable holds this value, which is then logged to the console.

JavaScript 
const timestamp = new Date().valueOf(); console.log(timestamp);

Output
1730311218574

4. Using +new Date() Method

This approach leverages the unary plus operator (+) to implicitly convert the Date object into a number, effectively yielding the timestamp.

Example: This example shows the use of +new Date() method to get the timestamp.

JavaScript 
let timestamp = +new Date(); console.log(timestamp);

Output
1730311218380

Next Article
How to get the client timezone offset in JavaScript?

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