What is 节假日日历?
节假日日历 is a Firefox add-on that provides automatic updates on Chinese holidays from 2020 onwards. It also includes week numbers, based on the popular chrome extension found at https://github.com/gyxing/calendar.crx. This add-on is designed to address the interface flashing issue on Firefox browsers, without losing any of its functionalities.
节假日日历 may not be safe to use and it requires some risky permissions. Exercise caution when installing this add-on. Review carefully before installing.
节假日日历 has earned a fairly good reputation and likely can be trusted.