elasticsearchHow do I format timestamps for use with Elasticsearch?

The Elasticsearch Timestamp datatype is used to index and store date and time values. It is stored in the format of an epoch, which is a Unix-style timestamp, and is used to represent the number of milliseconds since January 1, 1970. To format timestamps for use with Elasticsearch, you can use the Date.getTime() function in JavaScript to convert a Date object to an epoch timestamp.

For example:

let date = new Date();
let epoch = date.getTime();
console.log(epoch);

Output example

1607817243737

The above code creates a new Date object, and then uses the getTime() function to convert it to an epoch timestamp.

You can also use the Date.parse() function to convert a string representation of a date to an epoch timestamp. For example:

let dateString = '2021-01-01';
let epoch = Date.parse(dateString);
console.log(epoch);

Output example

1609459200000

The above code uses the Date.parse() function to convert the string '2021-01-01' to an epoch timestamp.

You can find more information about formatting timestamps for use with Elasticsearch in the Elasticsearch documentation.

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