Create a "custom calendar widget" that displays articles of multiple custom post types in a calendar (alternative to Archives Calendar Widget)

Create a Custom Calendar Widget to calendar articles with multiple custom post types (Archives Calendar Widget alternative)

⌛Time it takes to read this article: 9 minutesAs an alternative to the WordPress plugin "Archives Calendar Widget", we have created a "Custom Calendar Widget" that collects articles of multiple custom post types and displays them in a single post calendar.