Return “The local time in ” + city + ” is ” + nd. create new Date object for different city Utc = d.getTime() + (d.getTimezoneOffset() * 60000) Take a look at this next script ( ListingĪ), which ties it all together by creating a compact, user-defined calcTime ( ) function to perform all theseĬalculations and return a time value: Listing A Previous step to a human-readable date/time string by initializing a new Date( ) object with it, and calling theĭocument.writeln(“Bombay time is ” + nd.toLocaleString() + “”) So we need to make a few more calculations. Therefore, converting hours to milliseconds involves multiplying by 3600 * 1000Īt this point, the variable bombay contains the Remember that 1000 millseconds = 1 second, and 1 hour You’re wondering how I arrived at 3600000 as the multiplication factor, obtain and add destination’s UTC time offset The destination city’s UTC offset in hours, convert it to milliseconds and add Keep it like this for the moment, because thereĪre still a few more calculations to perform. However, this time value is expressed as the number of The local time zone offset to the local time.Īt this point, the variable utc contains theĬurrent UTC time. Therefore,Ĭonverting minutes to milliseconds involves multiplying by 60 * 1000 = 60000. That 1000 milliseconds = 1 second, and 1 minute = 60 seconds. You’re wondering how I arrived at 60000 as the multiplication factor, remember Note that a negative return value from getTimezoneOffset ( ) indicates that the current location isĪhead of UTC, while a positive value indicates that the location is behind UTC. LocalOffset = d.getTimezoneOffset() * 60000 Returns the time zone offset in minutes, so convert this value to milliseconds With the Date( ) object’s getTimezoneOffset () method. 1, 1970, by invoking the Date( )object’s getTime () method: create Date object for current location In JavaScript, this is easily accomplished by The United Kingdom is one hour ahead of GMT during Daylight Saving Time (DST), and this service will adjust for DST automatically. Please note: if some of the participants are in the United Kingdom, you should select a city there (e.g., London), instead of UTC/GMT. This document explains how to go about performing these calculations. Find the best time to call people in other time zones. Perform various temporal calculations and convert local time to destination The time in a different location – for example, if your base is in a differentĬountry and you want to see “home” time instead of local time? Page, by directly reading the client’s clock. For more info, visit our Terms of Use page.Īs you no doubt know, JavaScript makes it easy to display the local time on a Web This may influence how and where their products appear on our site, but vendors cannot pay to influence the content of our reviews. We may be compensated by vendors who appear on this page through methods such as affiliate links or sponsored partnerships. To display the time of day of a different time zone from the local time zone on a Web page it is necessary to perform various temporal calculations and convert local time to destination time. Convert the local time to another time zone with this JavaScript
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