If you post your class schedule using Google Calendars in your gmail account, you could add the calendar to your blog
In Gmail Calendar
- Create Calendar
- Share your calendar
- Copy the code from Calendar Settings - "Paste this code into your website"
In Blogger
- In Pages
- Choose Show Pages As "Top Tabs"
- Click Save Arrangement
- Add a New Page (Page Title something like "PD Calendar")
- Click the "HTML" tab
- Paste the code you copied from your calendar
- Click Compose Tab
Your audience will be able to add your Google Calender to theirs!