Map timezone name to latitude and longitude of the city.

mapTzGeo.js

// TimeZone => [lat, lon]
var mapTzGeo = {
    'America/Denver':       [39.7645187, -104.9951977],
    'Europe/London':        [51.5287352, -0.3817843],
    'America/Chicago':      [41.8339042, -88.0121562],
    'America/Asuncion':     [-25.2966809, -57.6681298],
    'America/Montevideo':   [-34.8207362, -56.3765247],
    'Asia/Beirut':          [33.8892846, 35.4692627],
    'Pacific/Auckland':     [-36.8621448, 174.5852782],
    'America/Los_Angeles':  [34.0207305, -118.6919292],
    'America/New_York':     [40.6976701, -74.2598739],
    'America/Halifax':      [43.7085882, -63.475903],
    'America/Godthab':      [64.1791647, -51.7768494],
    'Asia/Dubai':           [25.0757073, 54.9475461],
    'Asia/Jakarta':         [-6.2293867, 106.6894293],
    'Asia/Shanghai':        [31.2243084, 120.9162622],
    'Australia/Sydney':     [-33.8473567, 150.6517817],
    'Asia/Tokyo':           [35.5062896, 138.6484937],
    'Asia/Dhaka':           [23.7808875, 90.2792377],
    'Asia/Baku':            [40.3947695, 49.7148734],
    'Australia/Brisbane':   [-27.3798035, 152.4327106],
    'Pacific/Noumea':       [-22.2642742, 166.4098471],
    'Pacific/Majuro':       [7.1045756, 171.3526867],
    'Pacific/Tongatapu':    [-21.1695566, -175.3350296],
    'Asia/Baghdad':         [33.3118944, 44.2158179],
    'Asia/Karachi':         [25.1933895, 66.5949598],
    'Africa/Johannesburg':  [-26.1713505, 27.9699839],
    'default':              [39.9390731, 116.1172655] // BeiJing as default
};