Clock with Seconds

Search a time zone, choose 12/24-hour format and precision, then use fullscreen for presentations, classrooms, filming, logging, or precise visual reference.

Time zone

Format

Precision

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Core timing workflows

Start with a direct timer, stopwatch, alarm or focus workflow. Calendar, date arithmetic, clocks and scheduling specialists remain available from the full Date & Time hub.

All 76 date & time tools

Online TimerCountdown, sound, repeat & fullscreen StopwatchLaps, precision & fullscreen Countdown TimerFocused countdown workflow Alarm ClockAlarm at a local clock time PomodoroFocus and break cycles Interval TimerWork/rest rounds Presentation TimerTalk timing with warnings Classroom TimerProjector-friendly countdown

How to use the Clock with Seconds

Search a browser-supported time zone, choose 12- or 24-hour format and seconds/milliseconds precision, then use fullscreen or copy the displayed time.

Why use it

Search a time zone, choose 12/24-hour format and precision, then use fullscreen for presentations, classrooms, filming, logging, or precise visual reference.

Browser limits

Milliseconds are a display of the local device clock, not proof of network-synchronized accuracy. The page does not contact a precision time server.