週數查詢
查詢任意日期的週數、年內第幾天和季度。
在您的瀏覽器中執行。您的檔案不會離開裝置。 瞭解如何驗證
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使用方法
- 1填寫各項
輸入數字或選擇所需選項。
- 2檢視結果
更改任何值時，答案會立即更新。
- 3使用結果
複製結果或記下來。不會向任何地方傳送任何內容。
About this tool
Pick a date to see its ISO week number (weeks start on Monday and week 1 contains the first Thursday of the year), the day of the year and the quarter. Handy for planning, timesheets, school terms and reports.
When to use it
Find the week number, day of the year and quarter of any date, for planning and reports.
Tips
ISO weeks start on Monday, and week one has the first Thursday of the year.
Privacy
Everything runs in your browser, so your data is not uploaded or stored.
獲得最佳結果的提示
在相信結果之前先檢查每一個輸入項，因為一個錯誤的數字就會改變整個答案。請使用工資單、賬單、證書或合同上的準確數字，並記下計算日期。稅率、門檻和規則會不時變化，因此對於稅費和法律事務，請將結果視為估算，並與本頁註明的官方來源核對。您可以嘗試任意多個方案；不會儲存或傳送任何內容，重新整理頁面會清空輸入。
要點
- 分類: 日常工具
- 在瀏覽器中執行，無需註冊，無需上傳。
- 您輸入的資訊保留在裝置上。
- 提供多種語言。
- 內容最後稽核日期:
常見問題
How are ISO weeks counted?
Weeks run from Monday to Sunday, and week 1 is the week with the first Thursday of the year.
Why can late December be week 1?
ISO weeks belong to the year that holds their Thursday, so a few days can fall in the next year’s week 1.
Which standard is used?
ISO 8601.
Why can week 1 start in December?
Because week one is the week with the first Thursday.