import * as React from "react";

import { Provider } from "./DateContext";

interface DateProviderState {
  date: number;
}

export class DateProvider extends React.Component<{}, DateProviderState> {
  static contextTypes = {};

  intervalId: number;

  state = {
    date: Date.now()
  };

  componentDidMount() {
    this.intervalId = window.setInterval(
      () => this.setState({ date: Date.now() }),
      10_000
    );
  }

  componentWillUnmount() {
    window.clearInterval(this.intervalId);
  }

  render() {
    const { children } = this.props;
    const { date } = this.state;
    return <Provider value={date}>{children}</Provider>;
  }
}

import * as React from "react";

import { Provider } from "./DateContext";

interface DateProviderState {
  date: number;
}

export class DateProvider extends React.Component<{}, DateProviderState> {
  static contextTypes = {};

  intervalId: number;

  state = {
    date: Date.now()
  };

  componentDidMount() {
    this.intervalId = window.setInterval(
      () => this.setState({ date: Date.now() }),
      60_000
    );
  }

  componentWillUnmount() {
    window.clearInterval(this.intervalId);
  }

  render() {
    const { children } = this.props;
    const { date } = this.state;
    return <Provider value={date}>{children}</Provider>;
  }
}

--- 
+++ 
@@ -18,7 +18,7 @@
   componentDidMount() {
     this.intervalId = window.setInterval(
       () => this.setState({ date: Date.now() }),
-      60_000
+      10_000
     );
   }
 
Fix bug causing to display in a few seconds instead of few seconds ago
