React Live Clock

Usage no npm install needed!

<script type="module">
  import reactLiveClock from '';


react-live-clock npm

Gitter Dependencies Dev Dependencies

React clock with time-zones DEMO



npm install --save react react-live-clock

Don't forget to manually install peer dependencies (react) if you use npm@3.



import React  from 'react';
import Clock from 'react-live-clock';

exports default class MyComponent extends React.Component {
    render() {
        <Clock format={'HH:mm:ss'} ticking={true} timezone={'US/Pacific'} />



** Shows current time for 'US/Pacific' timezone and updates every second


you can use any formatting from moment.js date library


Propertie Type Default Value Description
date timestamp or string current date Date to output, If nothing is set then it take current date.
format string 'HH:MM' Formatting from moment.js library.
filter function (date: String) => date Filtering the value before the output .
timezone string null If timezone is set, the date is show in this timezone. You can find the list. here, the TZ column.
ticking boolean false If you want the clock to be auto-updated every interval seconds.
interval integer 1000 Auto-updating period for the clock. 1 second is a default value.
className string null Extra class.
children string null date can be set as a children prop.
onChange function ({output, previousOutput, moment}) => {} callback function on each output update

Development and testing

Currently is being developed and tested with the latest stable Node 7 on OSX and Windows.

To run example covering all ReactLiveClock features, use npm start dev, which will compile src/example/Example.js

git clone
cd react-live-clock
npm install
npm start dev

# then
open http://localhost:8080


# to run tests
npm start test

# to generate test coverage (./reports/coverage)
npm start test.cov

# to run end-to-end tests
npm start test.e2e


This software is released under the MIT license. See LICENSE for more details.