Instagram Time Gate

Hide Instagram except between 17:00 and 20:00

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

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

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

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

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

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

(У мене вже є менеджер скриптів, дайте мені встановити його!)

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.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Instagram Time Gate
// @namespace    https://example.com/instagram-time-gate
// @version      1.0
// @description  Hide Instagram except between 17:00 and 20:00
// @match        https://www.instagram.com/*
// @grant        none
// @license      MIT
// ==/UserScript==

(function () {
    'use strict';

    const START_HOUR = 17; // 17:00
    const END_HOUR = 20;   // 20:00
    const CHECK_INTERVAL = 60 * 1000; // 1 minute

    let blockerOverlay;

    function isAllowedTime() {
        const now = new Date();
        const hour = now.getHours();
        return hour >= START_HOUR && hour < END_HOUR;
    }

    function getInstagramMounts() {
        return Array.from(document.querySelectorAll('div[id^="mount_"]'));
    }

    function hideInstagram() {
        getInstagramMounts().forEach(el => {
            el.style.display = 'none';
        });

        if (!blockerOverlay) {
            blockerOverlay = document.createElement('div');
            blockerOverlay.style.position = 'fixed';
            blockerOverlay.style.top = '0';
            blockerOverlay.style.left = '0';
            blockerOverlay.style.width = '100vw';
            blockerOverlay.style.height = '100vh';
            blockerOverlay.style.background = '#fff';
            blockerOverlay.style.zIndex = '999999';
            blockerOverlay.style.display = 'flex';
            blockerOverlay.style.alignItems = 'center';
            blockerOverlay.style.justifyContent = 'center';
            blockerOverlay.style.fontFamily = 'sans-serif';
            blockerOverlay.style.fontSize = '24px';
            blockerOverlay.style.color = '#333';
            blockerOverlay.innerText = 'Instagram is blocked until 17:00 🕔';

            document.body.appendChild(blockerOverlay);
        }
    }

    function showInstagram() {
        getInstagramMounts().forEach(el => {
            el.style.display = '';
        });

        if (blockerOverlay) {
            blockerOverlay.remove();
            blockerOverlay = null;
        }
    }

    function enforceRule() {
        if (isAllowedTime()) {
            showInstagram();
        } else {
            hideInstagram();
        }
    }

    // Initial run (wait for DOM)
    const observer = new MutationObserver(() => {
        enforceRule();
    });

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

    enforceRule();
    setInterval(enforceRule, CHECK_INTERVAL);
})();