Untitled

<messaging:emailTemplate recipientType="User"
  relatedToType="Opportunity"
  subject="for Opportunity: {!relatedTo.name}">
  <messaging:htmlEmailBody >
    <html>
      <body>
        <font face="arial" size="2">
          <p>Dear {!recipient.name},</p>
            <p>
            <apex:outputtext value="{!day(DATEVALUE(relatedTo.LastModifiedDate))}/"/>
            <apex:outputtext value="{!case(month(DATEVALUE(relatedTo.LastModifiedDate)),5, "May", 6, "June",7, "Juillet","None")}" rendered="{!recipient.LanguageLocaleKey=='nl_NL'}"/>

            <apex:outputtext value="{!case(month(DATEVALUE(relatedTo.LastModifiedDate)),1,"January",2,"February",3,"March",4,"April",5, "May",6,"June",7,"Juli",8,"August",9,"September",10,"October",11,"November",12,"December","None")}" rendered="{!recipient.LanguageLocaleKey=='fr'}"/>
            <apex:outputtext value="/{!year(DATEVALUE(relatedTo.LastModifiedDate))}"/>
          </p>
        </font>
      </body>
    </html>
  </messaging:htmlEmailBody>

</messaging:emailTemplate>

Dear Alice,

4/Juli/2016

public class controller_formatted_datetime
{
public DateTime date_time { get; set; } //property that reads the datetime value from component attribute tag
public String defined_format { get; set;} //property that reads the string value from component attribute tag
public String getFormattedDatetime()
{
if (date_time == null) {return ''; }
else { if (defined_format == null) {
return date_time.format(); //return the full date/time in user's locale and time zone
}
else { return date_time.format(defined_format,'PST');  //Specify Time zone like IST,CST
}}}}

<apex:component access="global" controller="controller_formatted_datetime">{!FormattedDatetime}
<apex:attribute assignTo="{!date_time}" description="The DateTime value to be rendered" name="date_time_value" type="DateTime"></apex:attribute>
<apex:attribute assignTo="{!defined_format}" description="The optional format to use for the DateTime value to be rendered" name="date_time_format" type="String"></apex:attribute>
</apex:component>

<messaging:emailTemplate subject="Testing DateTime Format" recipientType="Contact" >
<messaging:plainTextEmailBody >
Formatted: <c:VFEmailTempComp date_time_value="{!NOW()}" date_time_format="EEE MMM d kk:mm:ss z yyyy" />
</messaging:plainTextEmailBody>
</messaging:emailTemplate>