Insert Date/Time plugin
The insertdatetime plugin provides a toolbar control and menu item Insert date/time (under the Insert menu) that lets a user easily insert the current date and/or time into the editable area at the cursor insertion point.
Basic setup
tinymce.init({
  selector: 'textarea',  // change this value according to your HTML
  plugins: 'insertdatetime',
  menubar: 'insert',
  toolbar: 'insertdatetime'
});Options
These settings affect the execution of the insertdatetime plugin. Formats for both dates and times can be set in these configuration options.
insertdatetime_dateformat
This option allows you to override the default formatting rule for date formats inserted by the mceInsertDate command. This defaults to %Y-%m-%d and where the different % variables get replaced with various date format options.
insertdatetime_formats
Allows you to specify a list of date/time formats to be used in the date menu or date select box. A complete list of formats is available under date formats below.
insertdatetime_timeformat
This option allows you to override the default formatting rule for times inserted by the mceInsertTime command. This defaults to %H:%M:%S and where the different % variables get replaced with various date format options
Reference Date/Time formats
| Name | Summary | 
|---|---|
| %D | mm/dd/yy (same as %m/%d/%y) | 
| %r | 12-hour clock time hh:mm:ss with AM or PM (same as %I:%M:%S %p) | 
| %y | year as a decimal number without a century (range 00 to 99) | 
| %Y | year as a decimal number including the century | 
| %m | month as a decimal number (range 01 to 12) | 
| %B | full localized month name (e.g. "January") | 
| %b | abbreviated localized month name (e.g. "Jan") | 
| %d | day of the month as a decimal number (range 01 to 31) | 
| %A | full localized weekday name (e.g. "Monday") | 
| %a | abbreviated localized weekday name (e.g. "Mon") | 
| %H | hour as a decimal number using a 24-hour clock (range 00 to 23) | 
| %I | hour as a decimal number using a 12-hour clock (range 01 to 12) | 
| %M | minute as a decimal number (range 00-59) | 
| %S | second as a decimal number (range 00-59) | 
| %p | either "am" or "pm" according to the given time value | 
| %% | a literal "%" character |