🇺🇸 查找 7 月 4 日星期Find July 4th Weekday
查询某年 7 月 4 日是星期几。可设置「年份」。Weekday of July 4 in a year. Settings: Year.
使用说明与常见问题How-to & FAQ
「查找 7 月 4 日星期」是什么？What is the Find July 4th Weekday tool?
查询某年 7 月 4 日是星期几。可设置「年份」。Weekday of July 4 in a year. Settings: Year.
如何使用「查找 7 月 4 日星期」？How do I use the Find July 4th Weekday tool?
在「查找 7 月 4 日星期」中，按需设置「年份」等选项，然后点击「查询」按钮即可。In the Find July 4th Weekday: Set "Year", then click "Look up".
用的是什么历法？Which calendar does it use?
公历（格里高利历），并向更早的年份外推（前推格里高利历）。7 月 4 日每年在星期几上前移 1 天，闰年之后的那年前移 2 天。The Gregorian calendar, extended back to earlier years (proleptic Gregorian). July 4 moves one weekday later each year, or two after a leap year.
有哪些选项可以调整？What options can I adjust?
「查找 7 月 4 日星期」的设置：「年份」默认 2026。每次生成结果都按当前设置处理。Settings in the Find July 4th Weekday — "Year" default 2026. The result always uses the current settings.
和时区有关吗？Do time zones matter?
无关。「查找 7 月 4 日星期」只做时长或日期格式的换算，不读取设备时间，时区和夏令时不影响结果。No. The Find July 4th Weekday only converts durations or date formats and never reads the device clock, so time zones and daylight saving time do not affect the result.
「查找 7 月 4 日星期」免费吗？需要注册吗？Is the Find July 4th Weekday free? Do I need an account?
「查找 7 月 4 日星期」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 Find July 4th Weekday is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.