Moon calendar app

Install Moon Calendar

On iPhone or iPad, open this page in Safari, choose Share, then Add to Home Screen. In Android Chrome, use the menu’s Install app or Add to Home screen. Desktop Chrome and Edge show an install icon when installation is available.

The installed page includes a phase calculator and an observation journal kept on this device. Enter UTC when using its offline calculator. Online calendars and city schedules remain accessible from the navigation. For calendar reminders, import the phase calendar feed and set alerts in your calendar app.