Coordinate - Time Zone map
Takes a latitude and longitude and returns the IANA Time Zone name of the timezone that coordinate is in.This can be used with the zoneinfo module to get the current time at that coordinate
Example
var sys = require('util');
var CoordinateTZ = require('coordinate-tz'),
zoneinfo = require('zoneinfo'),
TZDate = zoneinfo.TZDate;
var latitude = 52.5,
longitude = 13.3,
query = CoordinateTZ.calculate(latitude,longitude);
var d = new TZDate();
d.setTimezone(query.timezone);
sys.puts(d);