Get the full date format in elasticsearch

[Sandeep_Raju (Sandy)]

Hi all,
In an old project, the date fields have been mapped and data is present.
Now in Kibana, I can see human readable format of date

When i Use GET API to get format of date in devtools, i get ony format of date field as "date".

Any way where i can get the full format as
epoch or epoch_millis or dd MMM YYYY etc as i want to continue feeding data in same format and i don't get errors.

[warkolm (Mark Walkom)]

If it's not specified, then it is using the default.

Date field type | Elasticsearch Guide [8.11] | Elastic;

Date formats can be customised, but if no format is specified then it uses the default:

"strict_date_optional_time||epoch_millis"