mirror of
https://github.com/zyphlar/roman-time.git
synced 2024-03-08 13:57:47 +00:00
125 lines
4.8 KiB
HTML
125 lines
4.8 KiB
HTML
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<!DOCTYPE html>
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<html>
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<head>
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<link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.4/dist/leaflet.css"
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integrity="sha256-p4NxAoJBhIIN+hmNHrzRCf9tD/miZyoHS5obTRR9BMY="
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crossorigin=""/>
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<script src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js"
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integrity="sha256-20nQCchB9co0qIjJZRGuk2/Z9VM+kNiyxNV1lvTlZBo="
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crossorigin=""></script>
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<style type="text/css">
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#map {
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width: 250px;
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height: 180px;
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}
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</style>
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</head>
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<body>
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<div id="map"></div>
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<div id="clock"></div>
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<script src="https://cdn.jsdelivr.net/npm/luxon@3.3.0/build/global/luxon.min.js"></script>
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<script language="javascript">
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function render(gpsCoords) {
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if (!gpsCoords) {
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console.error("Invalid GPS:",gpsCoords);
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return false;
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}
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// console.log(gpsCoords);
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var map = L.map('map').setView([gpsCoords.coords.latitude, gpsCoords.coords.longitude], 10);
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L.tileLayer('https://tile.openstreetmap.org/{z}/{x}/{y}.png', {
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maxZoom: 19,
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attribution: '© <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a>'
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}).addTo(map);
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let url= 'https://api.sunrise-sunset.org/json?lat='+gpsCoords.coords.latitude+'&lng='+gpsCoords.coords.longitude;
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console.log("fetching",url);
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fetch(url)
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.then(res => res.json())
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.then(out => {
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console.log('Got: ', out);
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parseSunset(out);
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})
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.catch(err => { throw err });
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}
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function getLocation() {
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if (navigator.geolocation) {
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navigator.geolocation.getCurrentPosition(render, function(err){
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console.error("Invalid geo:", err);
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});
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} else {
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console.error("Geolocation is not supported by this browser.");
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}
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}
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function parseSunset(json) {
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var DateTime = luxon.DateTime;
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if (!json || !json.hasOwnProperty("results")) {
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console.error("Invalid JSON:",json);
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return false;
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}
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let sunrise = DateTime.fromFormat(json.results.sunrise+" +0000", 'h:mm:ss a ZZZ');
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let sunset = DateTime.fromFormat(json.results.sunset+" +0000", 'h:mm:ss a ZZZ');
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// handle sunsets in the morning UTC
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if (sunset-sunrise < 0) {
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// advance one day
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sunset = sunset.plus({days: 1});
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}
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let now = DateTime.now();
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let msAfterSunrise = now-sunrise;
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let msDayDuration = sunset-sunrise;
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let percentOfDay = (msAfterSunrise/msDayDuration)*100;
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let romanTime = percentOfDay/8.333; // 1/12th is 8.33%
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let romanHourToNormalHourRatio = msDayDuration/1000/60/12;
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let romanHour = Math.floor(romanTime);
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let romanMinute = romanTime-romanHour;
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var romanMinuteEnglish = "";
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if (romanMinute < 0.2) {
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romanMinuteEnglish = "just after";
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} else if (romanMinute < 0.4) {
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romanMinuteEnglish = "quarter after";
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} else if (romanMinute < 0.6) {
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romanMinuteEnglish = "half after";
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} else if (romanMinute < 0.8) {
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romanMinuteEnglish = "three quarters after";
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} else {
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romanHour = romanHour+1;
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romanMinuteEnglish = "almost";
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}
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let romanNumeralHourArr = ["0","I","II","III","IV","V","VI","VII","VIII","IX","X","XI","XII"];
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let romanNumeralHour = romanNumeralHourArr[romanHour];
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console.log(sunrise);
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console.log("Sunrise", sunrise.hour, "Sunset", sunset.hour);
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console.log("after sunrise ms", msAfterSunrise);
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console.log("day duration ms", msDayDuration);
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console.log("% thru the day", Math.round(percentOfDay*100)/100);
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console.log("Roman Time", Math.round(romanTime*100)/100);
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console.log("There are",Math.round(romanHourToNormalHourRatio*100,2)/100,"modern minutes in each of today's Roman hours");
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console.log("It is", romanMinuteEnglish, "hora", romanHour, romanNumeralHour);
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if (msAfterSunrise > 0) {
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document.getElementById('clock').innerText = "It is "+romanMinuteEnglish+" hora "+romanHour+" ("+romanNumeralHour+")";
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} else {
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document.getElementById('clock').innerText = "The sun isn't in the sky, go check the moon.";
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}
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}
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getLocation();
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</script>
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</body>
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</html>
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