GitHub Profile Time Converter

Convert GitHub profile local time from 24-hour format (e.g. “00:00”) to the 12-hour AM/PM style.

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         GitHub Profile Time Converter
// @namespace    https://github.com/GooglyBlox
// @version      1.1
// @description  Convert GitHub profile local time from 24-hour format (e.g. “00:00”) to the 12-hour AM/PM style.
// @author       GooglyBlox
// @match        https://github.com/*
// @match        https://gist.github.com/*
// @grant        none
// @run-at       document-end
// @license      MIT
// ==/UserScript==

(function () {
  'use strict';

  function convertTo12Hour(timeStr) {
    const parts = timeStr.split(':');
    if (parts.length !== 2) return timeStr;
    let hours = parseInt(parts[0], 10);
    const minutes = parts[1];
    const suffix = hours >= 12 ? 'PM' : 'AM';
    hours = hours % 12;
    if (hours === 0) hours = 12;
    return hours + ':' + minutes + ' ' + suffix;
  }

  function updateLocalTime() {
    const localTimeItem = document.querySelector('li[itemprop="localTime"]');
    if (!localTimeItem) return;

    const labelEl = localTimeItem.querySelector('.p-label');
    if (!labelEl || !labelEl.firstChild) return;

    if (labelEl.textContent.match(/\b(AM|PM)\b/)) return;

    const timeRegex = /(\d{2}:\d{2})/;
    const originalText = labelEl.firstChild.textContent;
    const match = originalText.match(timeRegex);
    if (!match) return;

    const originalTime = match[1];
    const convertedTime = convertTo12Hour(originalTime);

    labelEl.firstChild.textContent = originalText.replace(originalTime, convertedTime);
  }

  updateLocalTime();

  const observer = new MutationObserver((mutations) => {
    mutations.forEach(() => {
      updateLocalTime();
    });
  });

  observer.observe(document.body, { childList: true, subtree: true });
})();