Follow these instructions to subscribe to a Hebcal Jewish holiday calendar 5-year feed in Mozilla Thunderbird Lightning:
- Open Thunderbird with Lightning installed.
- Now, switch to calendar view by clicking the Calendar icon next to the tab bar. Next, go to the File menu, select New and select the Calendar… item.
- In the Add a calendar wizard, select On the network and click Next.
- From the Format list, select iCalendar (ICS) and enter the calendar location (with the “http://” prefix) that you just copied into the Address textbox. Click Next.
- Give the holiday calendar a name or leave the default value. If you want, you can select a color in which all of the holidays are highlighted. Click Next
- Click Finish to exit the wizard.
Here are some screenshots:
![thunderbird lightning step 1](https://www.hebcal.com/home/wp-content/uploads/2012/04/thunderbird-lightning-step-1-300x208.png)
![thunderbird lightning step 2](https://www.hebcal.com/home/wp-content/uploads/2012/04/thunderbird-lightning-step-2-300x226.png)
![thunderbird lightning step 3](https://www.hebcal.com/home/wp-content/uploads/2012/04/thunderbird-lightning-step-3-300x226.png)
![Thunderbird Lightning - Step 4](https://www.hebcal.com/home/wp-content/uploads/2012/04/Screen-Shot-2012-04-23-at-12.49.36-AM-300x205.png)