实时精确时钟 + 目标时刻倒计时,毫秒级精度,支持快捷预设、自定义目标、全屏监控与到点提醒
实时精确时钟与目标时刻倒计时,毫秒级精度,支持快捷预设、自定义目标、全屏监控与到点声音提醒。
了解倒计时的功能、如何设置，以及常见问题解答。What the countdown offers, how to set it, and answers to common questions.
倒计时工具提供毫秒级的实时时钟与精确倒计时，支持快捷预设与自定义目标时刻，适合抢票、抢购、会议与考试等需要精确到点提醒的场景。
A countdown with a millisecond-level live clock and precise countdown, offering quick presets and custom target moments — great for ticket drops, sales, meetings and exams.
支持全屏监控与到点声音提醒，剩余时间与当前时间均精确到毫秒。
It supports fullscreen monitoring and audible alerts at zero, with millisecond precision.
适合抢票、抢购、会议、考试等需要精确到点提醒的场景。
Perfect for ticket drops, flash sales, meetings, exams and any moment-precise alert.
无需安装 App，打开浏览器即可设置，到点自动提醒。
No app install needed — set it in the browser and get alerted at zero.
需要精确卡点的用户，如抢票、抢购、限时秒杀。
Users who need exact timing, such as ticket drops, flash sales and limited-time deals.
会议主持、考试监考、直播等需要计时提醒的场景。
Meeting hosts, exam proctors, streamers and anyone needing timed alerts.
使用高精度计时器与 performance.now 实现毫秒级倒计时。
Uses a high-precision timer with performance.now for millisecond-level countdown.
到点提醒通过 Web Audio API 触发声音，全部在本地运行。
The zero-point alert is triggered through the Web Audio API, all running locally.
计时与提醒均在本地完成，不上传任何信息。
Timing and alerts are entirely local; nothing is uploaded.
是的，当前时间与剩余时间均精确到毫秒。Yes, both current and remaining time are millisecond-precise.
支持，到点会播放提示音，可随时开关。Yes, an audible alert fires at zero and can be toggled.
可以，全屏 + 精确毫秒计时非常适合抢票、抢购等场景。Yes, fullscreen + precise timing is ideal for ticket and sale drops.
