Anyone with a TimeTree account can create public calendars. 

• You can add events on already created public calendars.
• Events on the public calendars can be viewed on the internet without using the TimeTree App.
• You may easily add public calendar events onto your shared or private calendar.
• Through registration, you can receive up-to-date notices.

To create a public calendar, select the button with four horizontal lines on the top left of the screen.

Next, swipe to the left to view the next page. 

Select create calendar under the public calendar section.