NTP Time Difference Chart<\/title>\n <script src=\"https:\/\/cdn.jsdelivr.net\/npm\/chart.js\"><\/script>\n <script src=\"https:\/\/cdn.jsdelivr.net\/npm\/chartjs-plugin-zoom\"><\/script>\n<\/head>\n<body>\n <h1>NTP Time Difference Chart<\/h1>\n <div>\n <label for=\"main-server\">Select Main Server:<\/label>\n <select id=\"main-server\">\n <option value=\"time.google.com\">time.google.com<\/option>\n <option value=\"time.windows.com\">time.windows.com<\/option>\n <option value=\"time.apple.com\">time.apple.com<\/option>\n <option value=\"ntp.metrology.kharkov.ua\">ntp.metrology.kharkov.ua<\/option>\n <\/select>\n <\/div>\n <div>\n <input type=\"checkbox\" id=\"server1-check\" checked>\n <label for=\"server1-check\">Show time.google.com<\/label>\n <input type=\"checkbox\" id=\"server2-check\" checked>\n <label for=\"server2-check\">Show time.windows.com<\/label>\n <input type=\"checkbox\" id=\"server3-check\" checked>\n <label for=\"server3-check\">Show time.apple.com<\/label>\n <input type=\"checkbox\" id=\"server4-check\" checked>\n <label for=\"server4-check\">Show ntp.metrology.kharkov.ua<\/label>\n <\/div>\n <div>\n <label for=\"custom-server\">Add Custom Server:<\/label>\n <input type=\"text\" id=\"custom-server\" placeholder=\"Enter server address\">\n <button onclick=\"addCustomServer()\">Add Server<\/button>\n <\/div>\n <div>\n <label for=\"request-interval\">Request Interval (ms):<\/label>\n <input type=\"number\" id=\"request-interval\" value=\"20000\" min=\"20000\">\n <\/div>\n <button onclick=\"downloadMeasurements()\">Download Measurements<\/button>\n <canvas id=\"time-chart\" width=\"800\" height=\"400\"><\/canvas>\n <script>\n const servers = {\n server1: \"time.google.com\",\n server2: \"time.windows.com\",\n server3: \"time.apple.com\",\n server4: \"ntp.metrology.kharkov.ua\"\n };\n const timeData = {\n server1: [],\n server2: [],\n server3: [],\n server4: []\n };\n const labels = [];\n const chartContext = document.getElementById('time-chart').getContext('2d');\n const chart = new Chart(chartContext, {\n type: 'line',\n data: {\n labels: labels,\n datasets: [\n {\n label: 'time.google.com',\n data: timeData.server1,\n borderColor: 'red',\n borderWidth: 2,\n hidden: false\n },\n {\n label: 'time.windows.com',\n data: timeData.server2,\n borderColor: 'blue',\n borderWidth: 2,\n hidden: false\n },\n {\n label: 'time.apple.com',\n data: timeData.server3,\n borderColor: 'green',\n borderWidth: 2,\n hidden: false\n },\n {\n label: 'ntp.metrology.kharkov.ua',\n data: timeData.server4,\n borderColor: 'purple',\n borderWidth: 2,\n hidden: false\n }\n ]\n },\n options: {\n responsive: true,\n scales: {\n y: {\n title: {\n display: true,\n text: 'Time Difference (ms)'\n }\n },\n x: {\n title: {\n display: true,\n text: 'Time'\n }\n }\n },\n plugins: {\n zoom: {\n zoom: {\n wheel: {\n enabled: true\n },\n pinch: {\n enabled: true\n },\n mode: 'x'\n },\n pan: {\n enabled: true,\n mode: 'x'\n }\n }\n }\n }\n });\n async function fetchTimeDifference(server, mainServer) {\n \/\/ Simulate fetching time difference (replace with real NTP query logic)\n return Math.random() * 100 - 50; \/\/ Random time difference for demonstration\n }\n async function updateData() {\n const mainServer = document.getElementById('main-server').value;\n const interval = document.getElementById('request-interval').value;\n for (const [key, server] of Object.entries(servers)) {\n const timeDifference = await fetchTimeDifference(server, servers[mainServer]);\n if (timeData[key].length > 20) timeData[key].shift();\n timeData[key].push(timeDifference);\n }\n const now = new Date().toLocaleTimeString();\n if (labels.length > 20) labels.shift();\n labels.push(now);\n chart.update();\n setTimeout(updateData, Math.max(interval, 20000)); \/\/ Ensure minimum interval is 20 seconds\n }\n function addCustomServer() {\n const customServer = document.getElementById('custom-server').value;\n if (customServer && !servers[customServer]) {\n servers[customServer] = customServer;\n timeData[customServer] = [];\n chart.data.datasets.push({\n label: customServer,\n data: timeData[customServer],\n borderColor: '#' + Math.floor(Math.random() * 16777215).toString(16),\n borderWidth: 2,\n hidden: false\n });\n const newCheckbox = document.createElement('input');\n newCheckbox.type = 'checkbox';\n newCheckbox.id = ${customServer}-check;\n newCheckbox.checked = true;\n newCheckbox.addEventListener('change', function() {\n const dataset = chart.data.datasets.find(d => d.label === customServer);\n dataset.hidden = !this.checked;\n chart.update();\n });\n const newLabel = document.createElement('label');\n newLabel.setAttribute('for', ${customServer}-check);\n newLabel.textContent = Show ${customServer};\n document.body.appendChild(newCheckbox);\n document.body.appendChild(newLabel);\n document.body.appendChild(document.createElement('br'));\n document.getElementById('custom-server').value = '';\n }\n }\n function downloadMeasurements() {\n const csvContent = [\n 'Time,' + Object.keys(servers).join(',')\n ];\n for (let i = 0; i < labels.length; i++) {\n const row = [labels[i]];\n for (const key of Object.keys(servers)) {\n row.push(timeData[key][i] || '');\n }\n csvContent.push(row.join(','));\n }\n const blob = new Blob([csvContent.join('\\n')], { type: 'text\/csv' });\n const url = URL.createObjectURL(blob);\n const a = document.createElement('a');\n a.href = url;\n a.download = 'measurements.csv';\n a.click();\n URL.revokeObjectURL(url);\n }\n setTimeout(updateData, 20000); \/\/ Initial delay of 20 seconds\n <\/script>\n<\/body>\n<\/html>\n\n\n\n<p>\u0421\u0442\u0440\u043e\u043a\u0430 22:46:39,16.417680069539983,11.2376380092158,-35.56213294108088,42.81634491325144 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0441\u043e\u0431\u043e\u0439 \u0437\u0430\u043f\u0438\u0441\u044c \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u043e\u0432 \u0438\u0437\u043c\u0435\u0440\u0435\u043d\u0438\u044f \u0432\u0440\u0435\u043c\u0435\u043d\u0438, \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u043d\u044b\u0445 \u043e\u0442 \u0432\u044b\u0431\u0440\u0430\u043d\u043d\u044b\u0445 NTP-\u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432.<\/p>\n\n\n\n<p>\u0421\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430 \u0434\u0430\u043d\u043d\u044b\u0445:<br>22:46:39 \u2014 \u0432\u0440\u0435\u043c\u044f (\u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 HH:MM:SS), \u043a\u043e\u0433\u0434\u0430 \u0437\u0430\u043f\u0440\u043e\u0441 \u0431\u044b\u043b \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d.<br>16.417680069539983 \u2014 \u0440\u0430\u0437\u043d\u0438\u0446\u0430 \u0432\u0440\u0435\u043c\u0435\u043d\u0438 (\u0432 \u043c\u0438\u043b\u043b\u0438\u0441\u0435\u043a\u0443\u043d\u0434\u0430\u0445) \u043c\u0435\u0436\u0434\u0443 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u043c time.google.com \u0438 \u0433\u043b\u0430\u0432\u043d\u044b\u043c \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u043c, \u0432\u044b\u0431\u0440\u0430\u043d\u043d\u044b\u043c \u0432 \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0430\u0445.<br>11.2376380092158 \u2014 \u0440\u0430\u0437\u043d\u0438\u0446\u0430 \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u043c\u0435\u0436\u0434\u0443 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u043c time.windows.com \u0438 \u0433\u043b\u0430\u0432\u043d\u044b\u043c \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u043c.<br>-35.56213294108088 \u2014 \u0440\u0430\u0437\u043d\u0438\u0446\u0430 \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u043c\u0435\u0436\u0434\u0443 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u043c time.apple.com \u0438 \u0433\u043b\u0430\u0432\u043d\u044b\u043c \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u043c.<br>42.81634491325144 \u2014 \u0440\u0430\u0437\u043d\u0438\u0446\u0430 \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u043c\u0435\u0436\u0434\u0443 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u043c ntp.metrology.kharkov.ua \u0438 \u0433\u043b\u0430\u0432\u043d\u044b\u043c \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u043c.<br>\u0427\u0442\u043e \u044d\u0442\u043e \u043e\u0437\u043d\u0430\u0447\u0430\u0435\u0442:<br>\u0420\u0430\u0437\u043d\u0438\u0446\u044b \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u0432\u044b\u0447\u0438\u0441\u043b\u044f\u044e\u0442\u0441\u044f \u043e\u0442\u043d\u043e\u0441\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0433\u043b\u0430\u0432\u043d\u043e\u0433\u043e \u0441\u0435\u0440\u0432\u0435\u0440\u0430, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0432\u044b \u0432\u044b\u0431\u0440\u0430\u043b\u0438 \u0432 \u0432\u044b\u043f\u0430\u0434\u0430\u044e\u0449\u0435\u043c \u0441\u043f\u0438\u0441\u043a\u0435 \u043d\u0430 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0435.<br>\u0417\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u043c\u043e\u0433\u0443\u0442 \u0431\u044b\u0442\u044c \u043f\u043e\u043b\u043e\u0436\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u043c\u0438 (\u0437\u043d\u0430\u0447\u0438\u0442, \u0432\u0440\u0435\u043c\u044f \u0434\u0430\u043d\u043d\u043e\u0433\u043e \u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u043e\u043f\u0435\u0440\u0435\u0436\u0430\u0435\u0442 \u0433\u043b\u0430\u0432\u043d\u043e\u0435) \u0438\u043b\u0438 \u043e\u0442\u0440\u0438\u0446\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u043c\u0438 (\u0437\u043d\u0430\u0447\u0438\u0442, \u0432\u0440\u0435\u043c\u044f \u043e\u0442\u0441\u0442\u0430\u0451\u0442).<br>\u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, -35.562 \u043e\u0437\u043d\u0430\u0447\u0430\u0435\u0442, \u0447\u0442\u043e \u0432\u0440\u0435\u043c\u044f \u043d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440\u0435 time.apple.com \u043e\u0442\u0441\u0442\u0430\u0451\u0442 \u043d\u0430 35.562 \u043c\u0438\u043b\u043b\u0438\u0441\u0435\u043a\u0443\u043d\u0434\u044b \u043e\u0442 \u0433\u043b\u0430\u0432\u043d\u043e\u0433\u043e \u0441\u0435\u0440\u0432\u0435\u0440\u0430.<br>\u041a\u0430\u043a \u0438\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u044d\u0442\u0438 \u0434\u0430\u043d\u043d\u044b\u0435:<br>\u0421\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0435 \u0432\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0445 \u0440\u0430\u0437\u043b\u0438\u0447\u0438\u0439: \u0418\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0439\u0442\u0435 \u0434\u0430\u043d\u043d\u044b\u0435, \u0447\u0442\u043e\u0431\u044b \u043f\u043e\u043d\u044f\u0442\u044c, \u043d\u0430\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0441\u0438\u043d\u0445\u0440\u043e\u043d\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u044b \u0441\u0435\u0440\u0432\u0435\u0440\u0430.<br>\u0412\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u0435 \u0437\u0430\u0434\u0435\u0440\u0436\u0435\u043a: \u0411\u043e\u043b\u044c\u0448\u0438\u0435 \u0440\u0430\u0437\u043d\u0438\u0446\u044b \u043c\u043e\u0433\u0443\u0442 \u0443\u043a\u0430\u0437\u044b\u0432\u0430\u0442\u044c \u043d\u0430 \u0437\u0430\u0434\u0435\u0440\u0436\u043a\u0438 \u0432 \u0441\u0435\u0442\u0435\u0432\u044b\u0445 \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u044f\u0445 \u0438\u043b\u0438 \u043d\u0435\u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0438\u0435 \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432.<br>\u0420\u0435\u0433\u0443\u043b\u044f\u0440\u043d\u043e\u0441\u0442\u044c: \u041f\u043e\u0432\u0442\u043e\u0440\u044f\u044e\u0449\u0438\u0435\u0441\u044f \u0438\u0437\u043c\u0435\u0440\u0435\u043d\u0438\u044f \u043f\u043e\u043c\u043e\u0433\u0443\u0442 \u043f\u043e\u043d\u044f\u0442\u044c \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u0440\u0430\u0431\u043e\u0442\u044b \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>NTP Time Difference Chart NTP Time Difference Chart Select Main Server: time.google.comtime.windows.comtime.apple.comntp.metrology.kharkov.ua Show time.google.com Show time.windows.com Show time.apple.com Show ntp.metrology.kharkov.ua Add Custom Server: Add Server Request Interval (ms): Download Measurements \u0421\u0442\u0440\u043e\u043a\u0430 22:46:39,16.417680069539983,11.2376380092158,-35.56213294108088,42.81634491325144 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0441\u043e\u0431\u043e\u0439 \u0437\u0430\u043f\u0438\u0441\u044c \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u043e\u0432 \u0438\u0437\u043c\u0435\u0440\u0435\u043d\u0438\u044f \u0432\u0440\u0435\u043c\u0435\u043d\u0438, \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u043d\u044b\u0445 \u043e\u0442 \u0432\u044b\u0431\u0440\u0430\u043d\u043d\u044b\u0445 NTP-\u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432. \u0421\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430 \u0434\u0430\u043d\u043d\u044b\u0445:22:46:39 \u2014 \u0432\u0440\u0435\u043c\u044f (\u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 HH:MM:SS), \u043a\u043e\u0433\u0434\u0430 \u0437\u0430\u043f\u0440\u043e\u0441 \u0431\u044b\u043b \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d.16.417680069539983 \u2014 \u0440\u0430\u0437\u043d\u0438\u0446\u0430 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-352","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.qrngua.website\/index.php?rest_route=\/wp\/v2\/pages\/352","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.qrngua.website\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.qrngua.website\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.qrngua.website\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.qrngua.website\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=352"}],"version-history":[{"count":3,"href":"https:\/\/www.qrngua.website\/index.php?rest_route=\/wp\/v2\/pages\/352\/revisions"}],"predecessor-version":[{"id":356,"href":"https:\/\/www.qrngua.website\/index.php?rest_route=\/wp\/v2\/pages\/352\/revisions\/356"}],"wp:attachment":[{"href":"https:\/\/www.qrngua.website\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=352"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":352,"date":"2024-12-28T10:45:40","date_gmt":"2024-12-28T10:45:40","guid":{"rendered":"https:\/\/www.qrngua.website\/?page_id=352"},"modified":"2024-12-28T10:47:38","modified_gmt":"2024-12-28T10:47:38","slug":"ntp-time-difference-chart","status":"publish","type":"page","link":"https:\/\/www.qrngua.website\/?page_id=352","title":{"rendered":"NTP Time Difference Chart"},"content":{"rendered":"\n\n\n\n \n \n NTP Time Difference Chart<\/title>\n <script src=\"https:\/\/cdn.jsdelivr.net\/npm\/chart.js\"><\/script>\n <script src=\"https:\/\/cdn.jsdelivr.net\/npm\/chartjs-plugin-zoom\"><\/script>\n<\/head>\n<body>\n <h1>NTP Time Difference Chart<\/h1>\n <div>\n <label for=\"main-server\">Select Main Server:<\/label>\n <select id=\"main-server\">\n <option value=\"time.google.com\">time.google.com<\/option>\n <option value=\"time.windows.com\">time.windows.com<\/option>\n <option value=\"time.apple.com\">time.apple.com<\/option>\n <option value=\"ntp.metrology.kharkov.ua\">ntp.metrology.kharkov.ua<\/option>\n <\/select>\n <\/div>\n <div>\n <input type=\"checkbox\" id=\"server1-check\" checked>\n <label for=\"server1-check\">Show time.google.com<\/label>\n <input type=\"checkbox\" id=\"server2-check\" checked>\n <label for=\"server2-check\">Show time.windows.com<\/label>\n <input type=\"checkbox\" id=\"server3-check\" checked>\n <label for=\"server3-check\">Show time.apple.com<\/label>\n <input type=\"checkbox\" id=\"server4-check\" checked>\n <label for=\"server4-check\">Show ntp.metrology.kharkov.ua<\/label>\n <\/div>\n <div>\n <label for=\"custom-server\">Add Custom Server:<\/label>\n <input type=\"text\" id=\"custom-server\" placeholder=\"Enter server address\">\n <button onclick=\"addCustomServer()\">Add Server<\/button>\n <\/div>\n <div>\n <label for=\"request-interval\">Request Interval (ms):<\/label>\n <input type=\"number\" id=\"request-interval\" value=\"20000\" min=\"20000\">\n <\/div>\n <button onclick=\"downloadMeasurements()\">Download Measurements<\/button>\n <canvas id=\"time-chart\" width=\"800\" height=\"400\"><\/canvas>\n <script>\n const servers = {\n server1: \"time.google.com\",\n server2: \"time.windows.com\",\n server3: \"time.apple.com\",\n server4: \"ntp.metrology.kharkov.ua\"\n };\n const timeData = {\n server1: [],\n server2: [],\n server3: [],\n server4: []\n };\n const labels = [];\n const chartContext = document.getElementById('time-chart').getContext('2d');\n const chart = new Chart(chartContext, {\n type: 'line',\n data: {\n labels: labels,\n datasets: [\n {\n label: 'time.google.com',\n data: timeData.server1,\n borderColor: 'red',\n borderWidth: 2,\n hidden: false\n },\n {\n label: 'time.windows.com',\n data: timeData.server2,\n borderColor: 'blue',\n borderWidth: 2,\n hidden: false\n },\n {\n label: 'time.apple.com',\n data: timeData.server3,\n borderColor: 'green',\n borderWidth: 2,\n hidden: false\n },\n {\n label: 'ntp.metrology.kharkov.ua',\n data: timeData.server4,\n borderColor: 'purple',\n borderWidth: 2,\n hidden: false\n }\n ]\n },\n options: {\n responsive: true,\n scales: {\n y: {\n title: {\n display: true,\n text: 'Time Difference (ms)'\n }\n },\n x: {\n title: {\n display: true,\n text: 'Time'\n }\n }\n },\n plugins: {\n zoom: {\n zoom: {\n wheel: {\n enabled: true\n },\n pinch: {\n enabled: true\n },\n mode: 'x'\n },\n pan: {\n enabled: true,\n mode: 'x'\n }\n }\n }\n }\n });\n async function fetchTimeDifference(server, mainServer) {\n \/\/ Simulate fetching time difference (replace with real NTP query logic)\n return Math.random() * 100 - 50; \/\/ Random time difference for demonstration\n }\n async function updateData() {\n const mainServer = document.getElementById('main-server').value;\n const interval = document.getElementById('request-interval').value;\n for (const [key, server] of Object.entries(servers)) {\n const timeDifference = await fetchTimeDifference(server, servers[mainServer]);\n if (timeData[key].length > 20) timeData[key].shift();\n timeData[key].push(timeDifference);\n }\n const now = new Date().toLocaleTimeString();\n if (labels.length > 20) labels.shift();\n labels.push(now);\n chart.update();\n setTimeout(updateData, Math.max(interval, 20000)); \/\/ Ensure minimum interval is 20 seconds\n }\n function addCustomServer() {\n const customServer = document.getElementById('custom-server').value;\n if (customServer && !servers[customServer]) {\n servers[customServer] = customServer;\n timeData[customServer] = [];\n chart.data.datasets.push({\n label: customServer,\n data: timeData[customServer],\n borderColor: '#' + Math.floor(Math.random() * 16777215).toString(16),\n borderWidth: 2,\n hidden: false\n });\n const newCheckbox = document.createElement('input');\n newCheckbox.type = 'checkbox';\n newCheckbox.id = ${customServer}-check;\n newCheckbox.checked = true;\n newCheckbox.addEventListener('change', function() {\n const dataset = chart.data.datasets.find(d => d.label === customServer);\n dataset.hidden = !this.checked;\n chart.update();\n });\n const newLabel = document.createElement('label');\n newLabel.setAttribute('for', ${customServer}-check);\n newLabel.textContent = Show ${customServer};\n document.body.appendChild(newCheckbox);\n document.body.appendChild(newLabel);\n document.body.appendChild(document.createElement('br'));\n document.getElementById('custom-server').value = '';\n }\n }\n function downloadMeasurements() {\n const csvContent = [\n 'Time,' + Object.keys(servers).join(',')\n ];\n for (let i = 0; i < labels.length; i++) {\n const row = [labels[i]];\n for (const key of Object.keys(servers)) {\n row.push(timeData[key][i] || '');\n }\n csvContent.push(row.join(','));\n }\n const blob = new Blob([csvContent.join('\\n')], { type: 'text\/csv' });\n const url = URL.createObjectURL(blob);\n const a = document.createElement('a');\n a.href = url;\n a.download = 'measurements.csv';\n a.click();\n URL.revokeObjectURL(url);\n }\n setTimeout(updateData, 20000); \/\/ Initial delay of 20 seconds\n <\/script>\n<\/body>\n<\/html>\n\n\n\n<p>\u0421\u0442\u0440\u043e\u043a\u0430 22:46:39,16.417680069539983,11.2376380092158,-35.56213294108088,42.81634491325144 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0441\u043e\u0431\u043e\u0439 \u0437\u0430\u043f\u0438\u0441\u044c \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u043e\u0432 \u0438\u0437\u043c\u0435\u0440\u0435\u043d\u0438\u044f \u0432\u0440\u0435\u043c\u0435\u043d\u0438, \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u043d\u044b\u0445 \u043e\u0442 \u0432\u044b\u0431\u0440\u0430\u043d\u043d\u044b\u0445 NTP-\u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432.<\/p>\n\n\n\n<p>\u0421\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430 \u0434\u0430\u043d\u043d\u044b\u0445:<br>22:46:39 \u2014 \u0432\u0440\u0435\u043c\u044f (\u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 HH:MM:SS), \u043a\u043e\u0433\u0434\u0430 \u0437\u0430\u043f\u0440\u043e\u0441 \u0431\u044b\u043b \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d.<br>16.417680069539983 \u2014 \u0440\u0430\u0437\u043d\u0438\u0446\u0430 \u0432\u0440\u0435\u043c\u0435\u043d\u0438 (\u0432 \u043c\u0438\u043b\u043b\u0438\u0441\u0435\u043a\u0443\u043d\u0434\u0430\u0445) \u043c\u0435\u0436\u0434\u0443 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u043c time.google.com \u0438 \u0433\u043b\u0430\u0432\u043d\u044b\u043c \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u043c, \u0432\u044b\u0431\u0440\u0430\u043d\u043d\u044b\u043c \u0432 \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0430\u0445.<br>11.2376380092158 \u2014 \u0440\u0430\u0437\u043d\u0438\u0446\u0430 \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u043c\u0435\u0436\u0434\u0443 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u043c time.windows.com \u0438 \u0433\u043b\u0430\u0432\u043d\u044b\u043c \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u043c.<br>-35.56213294108088 \u2014 \u0440\u0430\u0437\u043d\u0438\u0446\u0430 \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u043c\u0435\u0436\u0434\u0443 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u043c time.apple.com \u0438 \u0433\u043b\u0430\u0432\u043d\u044b\u043c \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u043c.<br>42.81634491325144 \u2014 \u0440\u0430\u0437\u043d\u0438\u0446\u0430 \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u043c\u0435\u0436\u0434\u0443 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u043c ntp.metrology.kharkov.ua \u0438 \u0433\u043b\u0430\u0432\u043d\u044b\u043c \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u043c.<br>\u0427\u0442\u043e \u044d\u0442\u043e \u043e\u0437\u043d\u0430\u0447\u0430\u0435\u0442:<br>\u0420\u0430\u0437\u043d\u0438\u0446\u044b \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u0432\u044b\u0447\u0438\u0441\u043b\u044f\u044e\u0442\u0441\u044f \u043e\u0442\u043d\u043e\u0441\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0433\u043b\u0430\u0432\u043d\u043e\u0433\u043e \u0441\u0435\u0440\u0432\u0435\u0440\u0430, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0432\u044b \u0432\u044b\u0431\u0440\u0430\u043b\u0438 \u0432 \u0432\u044b\u043f\u0430\u0434\u0430\u044e\u0449\u0435\u043c \u0441\u043f\u0438\u0441\u043a\u0435 \u043d\u0430 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0435.<br>\u0417\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u043c\u043e\u0433\u0443\u0442 \u0431\u044b\u0442\u044c \u043f\u043e\u043b\u043e\u0436\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u043c\u0438 (\u0437\u043d\u0430\u0447\u0438\u0442, \u0432\u0440\u0435\u043c\u044f \u0434\u0430\u043d\u043d\u043e\u0433\u043e \u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u043e\u043f\u0435\u0440\u0435\u0436\u0430\u0435\u0442 \u0433\u043b\u0430\u0432\u043d\u043e\u0435) \u0438\u043b\u0438 \u043e\u0442\u0440\u0438\u0446\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u043c\u0438 (\u0437\u043d\u0430\u0447\u0438\u0442, \u0432\u0440\u0435\u043c\u044f \u043e\u0442\u0441\u0442\u0430\u0451\u0442).<br>\u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, -35.562 \u043e\u0437\u043d\u0430\u0447\u0430\u0435\u0442, \u0447\u0442\u043e \u0432\u0440\u0435\u043c\u044f \u043d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440\u0435 time.apple.com \u043e\u0442\u0441\u0442\u0430\u0451\u0442 \u043d\u0430 35.562 \u043c\u0438\u043b\u043b\u0438\u0441\u0435\u043a\u0443\u043d\u0434\u044b \u043e\u0442 \u0433\u043b\u0430\u0432\u043d\u043e\u0433\u043e \u0441\u0435\u0440\u0432\u0435\u0440\u0430.<br>\u041a\u0430\u043a \u0438\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u044d\u0442\u0438 \u0434\u0430\u043d\u043d\u044b\u0435:<br>\u0421\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0435 \u0432\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0445 \u0440\u0430\u0437\u043b\u0438\u0447\u0438\u0439: \u0418\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0439\u0442\u0435 \u0434\u0430\u043d\u043d\u044b\u0435, \u0447\u0442\u043e\u0431\u044b \u043f\u043e\u043d\u044f\u0442\u044c, \u043d\u0430\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0441\u0438\u043d\u0445\u0440\u043e\u043d\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u044b \u0441\u0435\u0440\u0432\u0435\u0440\u0430.<br>\u0412\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u0435 \u0437\u0430\u0434\u0435\u0440\u0436\u0435\u043a: \u0411\u043e\u043b\u044c\u0448\u0438\u0435 \u0440\u0430\u0437\u043d\u0438\u0446\u044b \u043c\u043e\u0433\u0443\u0442 \u0443\u043a\u0430\u0437\u044b\u0432\u0430\u0442\u044c \u043d\u0430 \u0437\u0430\u0434\u0435\u0440\u0436\u043a\u0438 \u0432 \u0441\u0435\u0442\u0435\u0432\u044b\u0445 \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u044f\u0445 \u0438\u043b\u0438 \u043d\u0435\u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0438\u0435 \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432.<br>\u0420\u0435\u0433\u0443\u043b\u044f\u0440\u043d\u043e\u0441\u0442\u044c: \u041f\u043e\u0432\u0442\u043e\u0440\u044f\u044e\u0449\u0438\u0435\u0441\u044f \u0438\u0437\u043c\u0435\u0440\u0435\u043d\u0438\u044f \u043f\u043e\u043c\u043e\u0433\u0443\u0442 \u043f\u043e\u043d\u044f\u0442\u044c \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u0440\u0430\u0431\u043e\u0442\u044b \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>NTP Time Difference Chart NTP Time Difference Chart Select Main Server: time.google.comtime.windows.comtime.apple.comntp.metrology.kharkov.ua Show time.google.com Show time.windows.com Show time.apple.com Show ntp.metrology.kharkov.ua Add Custom Server: Add Server Request Interval (ms): Download Measurements \u0421\u0442\u0440\u043e\u043a\u0430 22:46:39,16.417680069539983,11.2376380092158,-35.56213294108088,42.81634491325144 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0441\u043e\u0431\u043e\u0439 \u0437\u0430\u043f\u0438\u0441\u044c \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u043e\u0432 \u0438\u0437\u043c\u0435\u0440\u0435\u043d\u0438\u044f \u0432\u0440\u0435\u043c\u0435\u043d\u0438, \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u043d\u044b\u0445 \u043e\u0442 \u0432\u044b\u0431\u0440\u0430\u043d\u043d\u044b\u0445 NTP-\u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432. \u0421\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430 \u0434\u0430\u043d\u043d\u044b\u0445:22:46:39 \u2014 \u0432\u0440\u0435\u043c\u044f (\u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 HH:MM:SS), \u043a\u043e\u0433\u0434\u0430 \u0437\u0430\u043f\u0440\u043e\u0441 \u0431\u044b\u043b \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d.16.417680069539983 \u2014 \u0440\u0430\u0437\u043d\u0438\u0446\u0430 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-352","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.qrngua.website\/index.php?rest_route=\/wp\/v2\/pages\/352","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.qrngua.website\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.qrngua.website\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.qrngua.website\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.qrngua.website\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=352"}],"version-history":[{"count":3,"href":"https:\/\/www.qrngua.website\/index.php?rest_route=\/wp\/v2\/pages\/352\/revisions"}],"predecessor-version":[{"id":356,"href":"https:\/\/www.qrngua.website\/index.php?rest_route=\/wp\/v2\/pages\/352\/revisions\/356"}],"wp:attachment":[{"href":"https:\/\/www.qrngua.website\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=352"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}