The plugin preview Hebrew date in date of post and date of comments. The hebrew date format able to change in options page of the plugin.
Shortcode
You can add the shortcode [today_hebdate] in posts or pages for show the hebrew date of today.
Widget
You can add widget for show the hebrew date of today.
Dieses Plugin steht zum Download zur Verfügung, um in deiner selbst gehosteten WordPress-Installation verwendet zu werden.