🎆 元旦是星期几（按年份查询）New Year's Day Finder
列出一段年份里每年 1 月 1 日（元旦）是星期几，并统计各星期几出现的次数；也可以只列出元旦落在某个星期几的年份，例如找出元旦是星期五的年份。List the weekday of January 1 (New Year's Day) for every year in a range, with a count per weekday — or list only the years when it falls on a chosen day, such as a Friday.
使用说明与常见问题How-to & FAQ
「元旦是星期几（按年份查询）」是什么？What is the New Year's Day Finder tool?
列出一段年份里每年 1 月 1 日（元旦）是星期几，并统计各星期几出现的次数；也可以只列出元旦落在某个星期几的年份，例如找出元旦是星期五的年份。List the weekday of January 1 (New Year's Day) for every year in a range, with a count per weekday — or list only the years when it falls on a chosen day, such as a Friday.
如何使用「元旦是星期几（按年份查询）」？How do I use the New Year's Day Finder tool?
在「元旦是星期几（按年份查询）」中，填写「起始年份」、「结束年份」、「只看星期几」等参数，结果会随输入实时计算并显示在下方。In the New Year's Day Finder: Fill in "From year", "To year", "Only this weekday"; results are recalculated instantly as you type.
元旦是星期几有什么规律？Is there a pattern?
平年过后，下一年元旦往后推 1 个星期几；闰年过后推 2 个。公历每 400 年循环一次，400 年里元旦落在星期日、星期二、星期五各 58 次，星期三、星期四各 57 次，星期一、星期六各 56 次。After a common year, New Year's Day moves one weekday later; after a leap year, two. The Gregorian calendar repeats every 400 years: in each cycle January 1 falls on Sunday, Tuesday and Friday 58 times each, Wednesday and Thursday 57, and Monday and Saturday 56.
能查农历新年（春节）吗？Can it find Lunar New Year?
不能，这里只算公历 1 月 1 日。春节日期请用本站的中国节假日倒计时。No, this is only for January 1. For Chinese New Year, use the Chinese holidays countdown on this site.
时区如何处理？How are time zones handled?
「元旦是星期几（按年份查询）」按日历日期计算，只有“今天”取自你设备的本地日期；计算不涉及钟点，所以时区和夏令时不影响结果。The New Year's Day Finder works with calendar dates; only "today" comes from your device's local date. No clock times are involved, so time zones and daylight saving time do not affect the result.
「元旦是星期几（按年份查询）」免费吗？需要注册吗？Is the New Year's Day Finder free? Do I need an account?
「元旦是星期几（按年份查询）」完全免费，无需注册或安装，打开网页即可使用，手机和电脑都能用；输入的内容只在你的浏览器本地处理。The New Year's Day Finder is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.