DanCoulter

Once activated, this plugin will translate every instance of the jQuery UI 
Datepicker plugin on your blog. It even comes with the latest version of 
the jQuery plugin, so that you can add it to pages on your blog.
This will only work with version of the Datepicker plugin that come with 
jQuery UI versions 1.5 or higher.

Datepicker i18n

Globally translate your jQuery UI Datepicker instances.

weDevs

alamgircsebd

Sabbir Ahmed

Dokan, Inc.

Rafsun Chowdhury

Dokan Multivendor is based on the famous eCommerce solution WooCommerce. To enable multiple language feature WPML is the most reliable solution. These 5 extensions below is required to translate a WooCommerce store-
<ol>
<li><a href="https://wpml.org/?aid=106335&affiliate_key=EbXH25fvBE9b" rel="nofollow ugc">Sitepress Multilingual</a></li>
<li>WooCommerce Multilingual</li>
<li>WPML Translation Management</li>
<li>WPML Media</li>
<li>WPML String Translation</li>
</ol>
You can purchase and download all these plugin from the same site. Some of these are free!
After purchasing all these extensions and installing, you need to install this extension. It will not work unless you have activated all the plugins mentioned above.
Please remember to set the URL structure to <code>site.com/lang</code>.
Dokan does not support URL parameters. So you can NOT set the URL structure to be <code>site.com?lang=nl</code>
This extension does not have any settings. Everything is controlled from WPML settings page.

Dokan WPML

WPML integration for Dokan Multivendor Plugin

Datepicker i18n vs Dokan WPML