<!-- Instant timer (en-US) · canonical: https://maestrotimer.com/timer/clock-12h -->

# 12-Hour Clock

> The current time on your device as a 12-Hour Clock: big digits, updated every second, and fullscreen for any screen. Free, nothing to install.

The time on this device, updated every second.

This 12-Hour Clock shows the time of the device it is open on, in that device’s own time zone — nothing is looked up online. Fullscreen turns any screen into a wall clock for a stage, a classroom or a studio.

## How to use it

- Fullscreen, or the F key, fills the screen with the clock. Esc leaves.

## Need it on a stage screen?

A MaestroTimer room shows the countdown on another screen your speaker can see while you control it from your phone, with a whole run of show and stage messages. Free, no signup. [Try MaestroTimer](https://maestrotimer.com/#how-it-works)

## Set this up with your AI assistant

An AI assistant can set this up as a free MaestroTimer room from one link: open it and it is ready in the controller, with a viewer link for any screen your speaker can see. More timers and stage messages can follow whenever you need a whole run of show. No account needed. For example:

https://app.maestrotimer.com/setup#v=1&name=Stage+Clock&t=Clock~1h~~~clock&via=instant:clock-12h

[The full link format, for assistants](https://maestrotimer.com/for-ai-assistants)

## FAQ

### Which time does the clock show?

The time of the device it is open on, in that device’s own time zone. Nothing is looked up online, so it is exactly as right as the device’s own clock.

### Can an AI assistant set up a clock like this for me?

Yes. Any assistant that can write a link can build you a free MaestroTimer room with a clock in it: open the link and it is ready in the controller, with a viewer link to put the time on a second screen. No account needed.

### Can I show it on another screen?

This page runs only on the device it is open on. For a countdown your speaker sees on a stage screen while you control it from your phone, create a free timer room and share its viewer link.

## Every timer

**Minutes:** [1 minute](https://maestrotimer.com/timer/1-minute) · [2 minutes](https://maestrotimer.com/timer/2-minutes) · [3 minutes](https://maestrotimer.com/timer/3-minutes) · [4 minutes](https://maestrotimer.com/timer/4-minutes) · [5 minutes](https://maestrotimer.com/timer/5-minutes) · [6 minutes](https://maestrotimer.com/timer/6-minutes) · [7 minutes](https://maestrotimer.com/timer/7-minutes) · [8 minutes](https://maestrotimer.com/timer/8-minutes) · [9 minutes](https://maestrotimer.com/timer/9-minutes) · [10 minutes](https://maestrotimer.com/timer/10-minutes) · [11 minutes](https://maestrotimer.com/timer/11-minutes) · [12 minutes](https://maestrotimer.com/timer/12-minutes) · [13 minutes](https://maestrotimer.com/timer/13-minutes) · [14 minutes](https://maestrotimer.com/timer/14-minutes) · [15 minutes](https://maestrotimer.com/timer/15-minutes) · [16 minutes](https://maestrotimer.com/timer/16-minutes) · [17 minutes](https://maestrotimer.com/timer/17-minutes) · [18 minutes](https://maestrotimer.com/timer/18-minutes) · [19 minutes](https://maestrotimer.com/timer/19-minutes) · [20 minutes](https://maestrotimer.com/timer/20-minutes) · [21 minutes](https://maestrotimer.com/timer/21-minutes) · [22 minutes](https://maestrotimer.com/timer/22-minutes) · [23 minutes](https://maestrotimer.com/timer/23-minutes) · [24 minutes](https://maestrotimer.com/timer/24-minutes) · [25 minutes](https://maestrotimer.com/timer/25-minutes) · [26 minutes](https://maestrotimer.com/timer/26-minutes) · [27 minutes](https://maestrotimer.com/timer/27-minutes) · [28 minutes](https://maestrotimer.com/timer/28-minutes) · [29 minutes](https://maestrotimer.com/timer/29-minutes) · [30 minutes](https://maestrotimer.com/timer/30-minutes) · [31 minutes](https://maestrotimer.com/timer/31-minutes) · [32 minutes](https://maestrotimer.com/timer/32-minutes) · [33 minutes](https://maestrotimer.com/timer/33-minutes) · [34 minutes](https://maestrotimer.com/timer/34-minutes) · [35 minutes](https://maestrotimer.com/timer/35-minutes) · [36 minutes](https://maestrotimer.com/timer/36-minutes) · [37 minutes](https://maestrotimer.com/timer/37-minutes) · [38 minutes](https://maestrotimer.com/timer/38-minutes) · [39 minutes](https://maestrotimer.com/timer/39-minutes) · [40 minutes](https://maestrotimer.com/timer/40-minutes) · [41 minutes](https://maestrotimer.com/timer/41-minutes) · [42 minutes](https://maestrotimer.com/timer/42-minutes) · [43 minutes](https://maestrotimer.com/timer/43-minutes) · [44 minutes](https://maestrotimer.com/timer/44-minutes) · [45 minutes](https://maestrotimer.com/timer/45-minutes) · [46 minutes](https://maestrotimer.com/timer/46-minutes) · [47 minutes](https://maestrotimer.com/timer/47-minutes) · [48 minutes](https://maestrotimer.com/timer/48-minutes) · [49 minutes](https://maestrotimer.com/timer/49-minutes) · [50 minutes](https://maestrotimer.com/timer/50-minutes) · [51 minutes](https://maestrotimer.com/timer/51-minutes) · [52 minutes](https://maestrotimer.com/timer/52-minutes) · [53 minutes](https://maestrotimer.com/timer/53-minutes) · [54 minutes](https://maestrotimer.com/timer/54-minutes) · [55 minutes](https://maestrotimer.com/timer/55-minutes) · [56 minutes](https://maestrotimer.com/timer/56-minutes) · [57 minutes](https://maestrotimer.com/timer/57-minutes) · [58 minutes](https://maestrotimer.com/timer/58-minutes) · [59 minutes](https://maestrotimer.com/timer/59-minutes)

**Hours:** [1 hour](https://maestrotimer.com/timer/1-hour) · [1 hour 15 minutes](https://maestrotimer.com/timer/1-hour-15-minutes) · [1 hour 30 minutes](https://maestrotimer.com/timer/1-hour-30-minutes) · [1 hour 45 minutes](https://maestrotimer.com/timer/1-hour-45-minutes) · [2 hours](https://maestrotimer.com/timer/2-hours) · [2 hours 15 minutes](https://maestrotimer.com/timer/2-hours-15-minutes) · [2 hours 30 minutes](https://maestrotimer.com/timer/2-hours-30-minutes) · [2 hours 45 minutes](https://maestrotimer.com/timer/2-hours-45-minutes) · [3 hours](https://maestrotimer.com/timer/3-hours)

**Clocks:** [Online Clock](https://maestrotimer.com/timer/clock) · [12-Hour Clock](https://maestrotimer.com/timer/clock-12h) · [12-Hour Clock with Seconds](https://maestrotimer.com/timer/clock-12h-seconds) · [24-Hour Clock](https://maestrotimer.com/timer/clock-24h) · [24-Hour Clock with Seconds](https://maestrotimer.com/timer/clock-24h-seconds)

[Any other length](https://maestrotimer.com/timer)
