You can add the NY Times astronomy calendar to your existing calendar if you don’t want to manually enter in data:
subscribe to the interactive feed that adds the events to your personal digital calendar. Google users can click on this link to subscribe. Apple iCloud and Outlook users may need to copy this URL and paste it into your digital calendar’s “add calendar” field to subscribe.
You can add the NY Times astronomy calendar to your existing calendar if you don’t want to manually enter in data:
subscribe to the interactive feed that adds the events to your personal digital calendar. Google users can click on this link to subscribe. Apple iCloud and Outlook users may need to copy this URL and paste it into your digital calendar’s “add calendar” field to subscribe.
https://www.nytimes.com/explain/2023/astronomy-space-calendar