關於「2020 week週數」標籤，搜尋引擎有相關的訊息討論：

Week Numbers for 2020 - Epoch Converterwww.epochconverter.com › weeks › 2020Year 2020 Calendar – Taiwan - Time and Datewww.timeanddate.com › calendar › year=2020Year 2020 Calendar – China - Time and Datewww.timeanddate.com › calendar › year=2020網路上關於2022週數查詢-在PTT/MOBILE01/Dcard