日期时间
即时、私密且免费
星期计算器.
用您自己的语言查询任何日期——过去、现在或未来——是星期几。
此计算器尚未完全翻译——部分文本以英文显示。
设备端计算无需注册
01
输入数值
输入时结果会更新。
02 / 答案
星期: 星期六
明细
日期2000年1月1日
简称周六
ISO 星期编号（周一 = 1）6
索引（周日 = 0）6
使用方法
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Cite this calculator
Canonical URL: https://mathify.one/zh/date/day-of-week
Cite as: Mathify. (n.d.). 星期计算器. https://mathify.one/zh/date/day-of-week
Use Cases
Historical Date Reference
Quickly find out what day of the week a historical event occurred, useful for genealogy, research, or satisfying curiosity.
Example: Find the weekday for July 20, 1969 (Apollo 11 landing).
Planning and Scheduling
Determine the weekday for future dates to plan events, meetings, or personal schedules, especially when you need to know if a date falls on a weekend.
Example: Check what day of the week your birthday falls on next year.
Frequently Asked Questions
- How does the Day of the Week Calculator work?
- Simply enter any date in the provided field, and the calculator instantly determines the corresponding day of the week. It works for both past and future dates, using a reliable algorithm to compute the weekday.
- Can I see the weekday in different languages?
- Yes, the calculator offers localized weekday names in 28 languages. After entering your date, you can select your preferred language to see the day of the week translated accordingly.
- Does it work for dates far in the past or future?
- Yes, the calculator is designed to handle a wide range of dates, both in the past and future. It accurately computes the weekday for any given date you enter.
Tips & Common Mistakes
Tips
- Use the language selector to view weekday names in your preferred language among the 28 supported options.
- Double-check the date format (e.g., MM/DD/YYYY vs DD/MM/YYYY) to ensure accurate results.
- For quick reference, use the calculator to verify the weekday of important dates like anniversaries or holidays.
- Remember that the calculator works for both past and future dates, so you can plan ahead or look back with ease.
Common Mistakes to Avoid
- Entering the date in the wrong format, such as using slashes when the calculator expects dashes, or mixing day and month order.
- Assuming the calculator only works for recent dates; it actually supports a wide range of past and future dates.
- Forgetting to select the desired language if you need the weekday in a specific language other than the default.
Last updated: August 13, 2026