周数查询
查询任意日期的周数、年内第几天和季度。
在您的浏览器中运行。您的文件不会离开设备。 了解如何验证
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使用方法
- 1填写各项
输入数字或选择所需选项。
- 2查看结果
更改任何值时，答案会立即更新。
- 3使用结果
复制结果或记下来。不会向任何地方发送任何内容。
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.
获得最佳结果的提示
在相信结果之前先检查每一个输入项，因为一个错误的数字就会改变整个答案。请使用工资单、账单、证书或合同上的准确数字，并记下计算日期。税率、门槛和规则会不时变化，因此对于税费和法律事务，请将结果视为估算，并与本页注明的官方来源核对。您可以尝试任意多个方案；不会保存或发送任何内容，刷新页面会清空输入。
要点
- 分类: 日常工具
- 在浏览器中运行，无需注册，无需上传。
- 您输入的信息保留在设备上。
- 提供多种语言。
- 内容最后审核日期:
常见问题
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.