Add Date macros in Bulk Email Template

Hi,

Is there a way to add Date Macros in Bulk Email Template? Suppose a bulk email was sent on Monday and the second email is sent two days later(Wednesday), I need to add the day on which previous email was sent(Monday) to the email body of the one sent on Wednesday. The second email should read, "I left you a voicemail on Monday...." and the day should be populated dynamically by going back 2 days from today. Any way to add javascript inside the HTML code for the block?

Any help is appreciated!