给定一个位置的经度和纬度,如何知道该位置的有效时区?

在大多数情况下,我们正在寻找IANA/Olson时区id,尽管有些服务可能只返回UTC偏移量或其他一些时区标识符。详细信息请阅读时区标签信息。


当前回答

下面是如何使用谷歌的脚本编辑器来获取gsheet中的timezoneName和timeZoneId。

步骤1。获取谷歌的时区API的API键

步骤2。创建一个新的gsheet。在“工具”菜单下单击“脚本编辑器”。添加如下代码:

function getTimezone(lat, long) {  
  var apiKey = 'INSERTAPIKEYHERE'
  var url = 'https://maps.googleapis.com/maps/api/timezone/json?location=' + lat + ',' + long + '&timestamp=1331161200&key=' + apiKey 
  var response = UrlFetchApp.fetch(url);
  var data = JSON.parse(response.getContentText());
  return data["timeZoneName"];
}

步骤3。保存并发布getTimezone()函数,并如上图所示使用它。

其他回答

从古比鱼:

import geocoders
g = geocoders.GoogleV3()
place, (lat, lng) = g.geocode('Fairbanks')
print place, (lat, lng)
Fairbanks, AK, USA (64.8377778, -147.7163889)
timezone = g.timezone((lat, lng))
print timezone.dst

美国/安克雷奇。DstTzInfo的dst

美国/主播LMT-1天,STD 1400:00

function jsonpRequest(url, data) { let params = ""; for (let key in data) { if (data.hasOwnProperty(key)) { if (params.length == 0) { params += "?"; } else { params += "&"; } let encodedKey = encodeURIComponent(key); let encodedValue = encodeURIComponent(data[key]); params += encodedKey + "=" + encodedValue; } } let script = document.createElement('script'); script.src = url + params; document.body.appendChild(script); } function getLocation() { if (navigator.geolocation) { navigator.geolocation.getCurrentPosition(showPosition); } else { x.innerHTML = "Geolocation is not supported by this browser."; } } let lat_ini=[]; let lon_ini=[]; function showPosition(position) { lat_ini= position.coords.latitude; lon_ini= position.coords.longitude; } ////delay time between lines function sleep(ms) { return new Promise(resolve => setTimeout(resolve, ms)); } /////// function getGMT() { getfinalGMT() getLocation() async function sample() { await sleep(2000); let lat_str=lat_ini.toString(); let lng_str=" "+lon_ini.toString(); let url = "https://api.opencagedata.com/geocode/v1/json"; let data = { callback: "displayGMT", q: lat_str + lng_str, key: "fac4471073a347019196c1291e6a97d7" } jsonpRequest(url, data) } sample(); } let your_GMT=[]; function displayGMT(data) { your_GMT=(Number(data.results[0].annotations.timezone.offset_string)) console.log(your_GMT) } ///// function getfinalGMT() { let lat=document.getElementById("lat_id").value; let lng=document.getElementById("lng_id").value; let lat_str=lat.toString(); let lng_str=" "+lng.toString(); let url = "https://api.opencagedata.com/geocode/v1/json"; let data = { callback: "displayfinalGMT", q: lat + lng_str, key: "fac4471073a347019196c1291e6a97d7" } jsonpRequest(url, data) } let final_GMT=[]; function displayfinalGMT(data) { final_GMT=(Number(data.results[0].annotations.timezone.offset_string)) console.log(final_GMT) } /////clock const hourHand = document.querySelector('[data-hour-hand]') const minuteHand = document.querySelector('[data-minute-hand]') const secondHand = document.querySelector('[data-second-hand]') let dif_overall=[]; function setClock() { let gmt_diff=Number(your_GMT-final_GMT)/100 if (gmt_diff>12){ dif_overall=gmt_diff-12 } else{ dif_overall=gmt_diff } console.log(dif_overall) const currentDate = new Date() const secondsRatio = currentDate.getSeconds() / 60 const minutesRatio = (secondsRatio + currentDate.getMinutes()) / 60 const hoursRatio = (minutesRatio + currentDate.getHours() - dif_overall ) / 12 setRotation(secondHand, secondsRatio) setRotation(minuteHand, minutesRatio) setRotation(hourHand, hoursRatio) } function setRotation(element, rotationRatio) { element.style.setProperty('--rotation', rotationRatio * 360) } function activate_clock(){ setClock() setInterval(setClock, 1000) } *, *::after, *::before { box-sizing: border-box; } body { background: linear-gradient(to right, hsl(200, 100%, 50%), hsl(175, 100%, 50%)); display: flex; justify-content: center; align-items: center; min-height: 100vh; overflow: hidden; } .clock { width: 200px; height: 200px; background-color: rgba(255, 255, 255, .8); border-radius: 50%; border: 2px solid black; position: relative; } .clock .number { --rotation: 0; position: absolute; width: 100%; height: 100%; text-align: center; transform: rotate(var(--rotation)); font-size: 1.5rem; } .clock .number1 { --rotation: 30deg; } .clock .number2 { --rotation: 60deg; } .clock .number3 { --rotation: 90deg; } .clock .number4 { --rotation: 120deg; } .clock .number5 { --rotation: 150deg; } .clock .number6 { --rotation: 180deg; } .clock .number7 { --rotation: 210deg; } .clock .number8 { --rotation: 240deg; } .clock .number9 { --rotation: 270deg; } .clock .number10 { --rotation: 300deg; } .clock .number11 { --rotation: 330deg; } .clock .hand { --rotation: 0; position: absolute; bottom: 50%; left: 50%; border: 1px solid white; border-top-left-radius: 10px; border-top-right-radius: 10px; transform-origin: bottom; z-index: 10; transform: translateX(-50%) rotate(calc(var(--rotation) * 1deg)); } .clock::after { content: ''; position: absolute; background-color: black; z-index: 11; width: 15px; height: 15px; top: 50%; left: 50%; transform: translate(-50%, -50%); border-radius: 50%; } .clock .hand.second { width: 3px; height: 45%; background-color: red; } .clock .hand.minute { width: 7px; height: 40%; background-color: black; } .clock .hand.hour { width: 10px; height: 35%; background-color: black; } /* Background Styles Only */ @import url('https://fonts.googleapis.com/css?family=Raleway'); * { font-family: Raleway; } .side-links { position: absolute; top: 15px; right: 15px; } .side-link { display: flex; align-items: center; justify-content: center; text-decoration: none; margin-bottom: 10px; color: white; width: 180px; padding: 10px 0; border-radius: 10px; } .side-link-youtube { background-color: red; } .side-link-twitter { background-color: #1DA1F2; } .side-link-github { background-color: #6e5494; } .side-link-text { margin-left: 10px; font-size: 18px; } .side-link-icon { color: white; font-size: 30px; } <input type="text" id="lat_id" placeholder="lat"><br><br> <input type="text" id="lng_id" placeholder="lng"><br><br> <button class="text" onClick="getLocation()">Location</button> <button class="text" onClick="getGMT()"> GMT</button> <button class="text" onClick="activate_clock()"> Activate</button> <div class="clock"> <div class="hand hour" data-hour-hand></div> <div class="hand minute" data-minute-hand></div> <div class="hand second" data-second-hand></div> <div class="number number1">1</div> <div class="number number2">2</div> <div class="number number3">3</div> <div class="number number4">4</div> <div class="number number5">5</div> <div class="number number6">6</div> <div class="number number7">7</div> <div class="number number8">8</div> <div class="number number9">9</div> <div class="number number10">10</div> <div class="number number11">11</div> <div class="number number12">12</div> </div>

下面是如何使用谷歌的脚本编辑器来获取gsheet中的timezoneName和timeZoneId。

步骤1。获取谷歌的时区API的API键

步骤2。创建一个新的gsheet。在“工具”菜单下单击“脚本编辑器”。添加如下代码:

function getTimezone(lat, long) {  
  var apiKey = 'INSERTAPIKEYHERE'
  var url = 'https://maps.googleapis.com/maps/api/timezone/json?location=' + lat + ',' + long + '&timestamp=1331161200&key=' + apiKey 
  var response = UrlFetchApp.fetch(url);
  var data = JSON.parse(response.getContentText());
  return data["timeZoneName"];
}

步骤3。保存并发布getTimezone()函数,并如上图所示使用它。

你可以使用geolocator.js轻松获得时区和更多…

它使用需要密钥的谷歌api。首先你配置geolocator

geolocator.config({
    language: "en",
    google: {
        version: "3",
        key: "YOUR-GOOGLE-API-KEY"
    }
});

获取TimeZone,如果你有坐标:

geolocator.getTimeZone(options, function (err, timezone) {
    console.log(err || timezone);
});

示例输出:

{
    id: "Europe/Paris",
    name: "Central European Standard Time",
    abbr: "CEST",
    dstOffset: 0,
    rawOffset: 3600,
    timestamp: 1455733120
}

定位,然后获得时区和更多

如果没有坐标,可以先定位用户位置。

下面的例子将首先尝试HTML5 Geolocation API来获取坐标。如果失败或被拒绝,它将通过Geo-IP查找获得坐标。最后,它将获得时区和更多…

var options = {
    enableHighAccuracy: true,
    timeout: 6000,
    maximumAge: 0,
    desiredAccuracy: 30,
    fallbackToIP: true, // if HTML5 fails or rejected
    addressLookup: true, // this will get full address information
    timezone: true,
    map: "my-map" // this will even create a map for you
};
geolocator.locate(options, function (err, location) {
    console.log(err || location);
});

示例输出:

{
    coords: {
        latitude: 37.4224764,
        longitude: -122.0842499,
        accuracy: 30,
        altitude: null,
        altitudeAccuracy: null,
        heading: null,
        speed: null
    },
    address: {
        commonName: "",
        street: "Amphitheatre Pkwy",
        route: "Amphitheatre Pkwy",
        streetNumber: "1600",
        neighborhood: "",
        town: "",
        city: "Mountain View",
        region: "Santa Clara County",
        state: "California",
        stateCode: "CA",
        postalCode: "94043",
        country: "United States",
        countryCode: "US"
    },
    formattedAddress: "1600 Amphitheatre Parkway, Mountain View, CA 94043, USA",
    type: "ROOFTOP",
    placeId: "ChIJ2eUgeAK6j4ARbn5u_wAGqWA",
    timezone: {
        id: "America/Los_Angeles",
        name: "Pacific Standard Time",
        abbr: "PST",
        dstOffset: 0,
        rawOffset: -28800
    },
    flag: "//cdnjs.cloudflare.com/ajax/libs/flag-icon-css/2.3.1/flags/4x3/us.svg",
    map: {
        element: HTMLElement,
        instance: Object, // google.maps.Map
        marker: Object, // google.maps.Marker
        infoWindow: Object, // google.maps.InfoWindow
        options: Object // map options
    },
    timestamp: 1456795956380
}

如果您想使用geonames.org,请使用这段代码。(但是geonames.org有时很慢)

String get_time_zone_time_geonames(GeoPoint gp){


        String erg = "";

        double Longitude = gp.getLongitudeE6()/1E6;
        double Latitude = gp.getLatitudeE6()/1E6;



        String request = "http://ws.geonames.org/timezone?lat="+Latitude+"&lng="+ Longitude+ "&style=full";

        URL time_zone_time = null;

        InputStream input;
       // final StringBuilder sBuf = new StringBuilder();


        try {
            time_zone_time = new URL(request);


        try {
            input = time_zone_time.openConnection().getInputStream();


        final BufferedReader reader = new BufferedReader(new InputStreamReader(input));
            final StringBuilder sBuf = new StringBuilder();

            String line = null;
            try {
                while ((line = reader.readLine()) != null) {
                    sBuf.append(line);
                }
            } catch (IOException e) {
                    Log.e(e.getMessage(), "XML parser, stream2string 1");
            } finally {
                try {
                    input.close();
                } catch (IOException e) {
                    Log.e(e.getMessage(), "XML parser, stream2string 2");
                }
            }




             String xmltext = sBuf.toString();


             int startpos = xmltext.indexOf("<geonames");
             xmltext = xmltext.substring(startpos);



            XmlPullParser parser;
            try {
                parser = XmlPullParserFactory.newInstance().newPullParser();


            parser.setInput(new StringReader (xmltext));

            int eventType = parser.getEventType();  

            String tagName = "";

            while(eventType != XmlPullParser.END_DOCUMENT) {
                switch(eventType) {

                    case XmlPullParser.START_TAG:

                          tagName = parser.getName();

                        break;


                    case XmlPullParser.TEXT :


                        if  (tagName.equalsIgnoreCase("time"))
                          erg = parser.getText();  


                    break;   

                }

                try {
                    eventType = parser.next();
                } catch (IOException e) {

                    e.printStackTrace();
                }

            }

            } catch (XmlPullParserException e) {

                e.printStackTrace();
                erg += e.toString();
            }



            } catch (IOException e1) {

                e1.printStackTrace();
            }


            } catch (MalformedURLException e1) {

                e1.printStackTrace();
            }





        return erg;

 }

并将其用于:

GeoPoint gp = new GeoPoint(39.6034810,-119.6822510);
String Current_TimeZone_Time = get_time_zone_time_geonames(gp);