⏰ 四舍五入时钟时间Round Clock Time

使用说明与常见问题How-to & FAQ

「四舍五入时钟时间」是什么？What is the Round Clock Time tool?

把时间四舍五入到最近的 n 分钟。本地处理。可设置「分钟」。Round a time to the nearest n minutes. Processed locally. Settings: Minutes.

如何使用「四舍五入时钟时间」？How do I use the Round Clock Time tool?

输入 HH:MM 或 HH:MM:SS，填写分钟数（默认 5），下方即显示取整后的时间。Enter HH:MM or HH:MM:SS and the number of minutes (5 by default); the rounded time appears below.

秒会参与舍入吗？Do seconds count when rounding?

会，秒数也参与舍入，正好一半时向上取，例如按 5 分钟时 12:02:30 → 12:05:00；结果的秒总是 00。Yes. Seconds count toward rounding and an exact half rounds up, so 12:02:30 becomes 12:05:00 with 5 minutes; the result always has 00 seconds.

接近午夜时会怎样？What happens near midnight?

可能进位到第二天的 00:00，结果下方会提示 +1 天。分钟数不能整除 1440 时（如 7），网格从每天 00:00 重新开始。The time can roll over to 00:00 the next day, and a +1 day note appears below the result. When the minutes do not divide 1440 (for example 7), the grid restarts at 00:00 each day.

和时区有关吗？Do time zones matter?

无关，这里只处理钟面时间或日历日期，不读取设备时钟，也不考虑夏令时。No. It works on clock readings or calendar dates only, never reads your device clock and ignores daylight saving time.

输入和输出是什么样的？What does the input and output look like?

例如把「分钟」设为 5，输入 12:02:00，输出为：12:00:00。With "Minutes" set to 5, the input 12:02:00 becomes 12:00:00.

有哪些选项可以调整？What options can I adjust?

「四舍五入时钟时间」的设置：「分钟」默认 5。每次生成结果都按当前设置处理。Settings in the Round Clock Time tool — "Minutes" default 5. The result always uses the current settings.

「四舍五入时钟时间」免费吗？需要注册吗？Is the Round Clock Time tool free? Do I need an account?

「四舍五入时钟时间」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 Round Clock Time tool is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.