How to call a function every hour?

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I am trying to update information from a weather service on my page. The info should be updated every hour on the hour. How exactly do I go about calling a function on the hour every hour?

I kind of had an idea but I'm not sure of how to actually refine it so it works... What I had in mind was something like creating an if statement, such as: (pseudo code)

//get the mins of the current time
var mins = datetime.mins();    

if(mins == "00"){
    function();
 }

You want to check out setInterval: https://developer.mozilla.org/en-US/docs/Web/API/Window.setInterval

It's a little hard to tell what you're trying to call with your code, but it would be something in the form of:

function callEveryHour() {
    setInterval(yourFunction, 1000 * 60 * 60);
}

If you want it every hour, try something like:

var nextDate = new Date();
if (nextDate.getMinutes() === 0) { // You can check for seconds here too
    callEveryHour()
} else {
    nextDate.setHours(nextDate.getHours() + 1);
    nextDate.setMinutes(0);
    nextDate.setSeconds(0);// I wouldn't do milliseconds too ;)

    var difference = nextDate - new Date();
    setTimeout(callEveryHour, difference);
}

Now, this implementation checks the time once, sets the delay (or calls the function immediately), and then relies on setInterval to keep track after that. An alternative approach may be to poll the time every x many seconds/minutes, and fire it .getMinutes() == 0 instead (similar to the first part of the if-statement), which may sacrifice (marginal) performance for (marginal) accuracy. Depending on your exact needs, I would play around with both solutions.

How to automatically call javascript function every hour?, So I'm trying to run a function every hour on the hour. The point of this function is Issue CALL FUNCTION 'ANY_FUNCTION_WITH_LOCK'. CALL FUNCTION� The Excel HOUR function returns the hour component of a time as a number between 0-23. For example, with a time of 9:30 AM, HOUR will return 9. You can use the HOUR function to extract the hour into a cell, or feed the result into another formula, like the TIME function.


Here is what should work (JSFiddle):

function tick() {
  //get the mins of the current time
  var mins = new Date().getMinutes();
  if (mins == "00") {
    alert('Do stuff');
  }
  console.log('Tick ' + mins);
}

setInterval(tick, 1000);

Schedule a function to be run every hour on the hour - timer - html, In the following example the showTime() function is called repeatedly after every 1000 milliseconds (i.e. 1 second) until you tell it to stop. Let's try it out and see� Creating a Windows Service in C#.net and how to call a method every hour. check databse every hour. Calling a method repeatedly for every 1 min.


What you probably want is something like that:

var now = new Date();
var delay = 60 * 60 * 1000; // 1 hour in msec
var start = delay - (now.getMinutes() * 60 + now.getSeconds()) * 1000 + now.getMilliseconds();

setTimeout(function doSomething() {
   // do the operation
   // ... your code here...

   // schedule the next tick
   setTimeout(doSomething, delay);
}, start);

So basically the first time the user get the access, you need to know what is the delay in millisecond to the next "hour". So, if the user access to the page at 8:54 (with 56 seconds and 123 milliseconds), you have to schedule the first execution after around 3 minutes: after the first one is done, you can call it every "hour" (60 * 60 * 1000).

How to Call a Function Repeatedly after Fixed Time Interval in jQuery, Call a function every hour? Hey, I don't know too much about javascript but i am trying to make this rss reader on a vista gadget� I have been struggling to find someone that knows how to explain to me how to write VBA for a cell to show the average pieces per hour or parts we run. It needs to look through entered data in a column every hour between set criteria times (example 5am to 5:59am) add up all the parts and post the average in the cell so everyone can see it.


EDIT: Oops, I didn't see the " o' clock" things, so I edit my answer :

var last_execution = new Date().getTime();
function doSomething(force){
  var current_time = new Date().getTime();
  if (force || (current_time.getMinutes() == 0)
  {
    last_execution = current_time;
    // something
    // ...
  }
  setTimeout(doSomething(false), 1000);
}
// force the first time
doSomething(true); 

Call a function every hour?, setTimeout allows us to run a function once after the interval of time. A call to setTimeout returns a “timer identifier” timerId that we can use to cancel the For setInterval the internal scheduler will run func(i++) every 100ms:� I want to repeatedly execute a function in Python every 60 seconds forever (just like an NSTimer in Objective C). This code will run as a daemon and is effectively like calling the python script every minute using a cron, but without requiring that to be set up by the user.


// ... call your func now
let intervalId;
let timeoutId = setTimeout(() => {
  // ... call your func on end of current hour
  intervalId = setInterval(() => {
     // ... call your func on end of each next hours
  }, 3600000);
}, ((60 − moment().minutes()) × 60 × 1000) - (moment().second() * 1000));

Scheduling: setTimeout and setInterval, Learn how to create a function in Azure that runs based on a schedule that You now have a function that runs once every hour, on the hour. aTimer = new System.Timers.Timer(60 * 60 * 1000); //one hour in milliseconds aTimer.Elapsed += new ElapsedEventHandler(OnTimedEvent); aTimer.Start(); private static void OnTimedEvent(object source, ElapsedEventArgs e) { //Do the stuff you want to be done every hour; }


Create a function that runs on a schedule in Azure, To create a scheduled function, use functions.pubsub.schedule('your schedule'). onRun((context)) . For example, to run a function every five� Functions Segmenting code into functions allows a programmer to create modular pieces of code that perform a defined task and then return to the area of code from which the function was "called". The typical case for creating a function is when one needs to perform the same action multiple times in a program.


Schedule functions, two ways to call a function every 2 seconds. golang-nuts.go. package main. import (. "fmt". "time". ) // Suggestions from golang-nuts. // http://play.golang.org/p/ � C# Execute specified function every X minutes or X time you want in a thread - Timer_Call_Method.cs


two ways to call a function every 2 seconds � GitHub, You also want to calculate the number of hours, minutes, and seconds a recursive setTimeout() to run the passed function every 100 milliseconds: At the end of the function block you call requestAnimationFrame() with the� For example, a 5 in the hour field refers to 5:00 AM, not every 5 hours. The default time zone used with the CRON expressions is Coordinated Universal Time (UTC). To have your CRON expression based on another time zone, create an app setting for your function app named WEBSITE_TIME_ZONE .