Polski Kalendarz

Polski Kalendarz is a comprehensive Chrome extension providing up-to-date Polish calendars and public holidays for the years 2025 and 2026. It also includes detailed information about school years spanning 2024/2025 and 2025/2026. Beyond current dates, the extension offers a valuable archive covering Polish calendars, public holidays, and school years from 2002 through 2024. This makes it an essential tool for students, educators, professionals, and anyone needing quick access to Polish date-keeping and public holiday information. With Polski Kalendarz, planning events, holidays, and academic schedules becomes hassle-free, right within your browser.