Nodejs Hour Get roundToHour()

Method Source Code

Date.prototype.roundToHour = function() {
    if (this.getMinutes() == 0)
        return; /* ww  w.  ja  va 2 s  .co m*/
    if (this.getHours() < 23)
        this.setHours(this.getHours() + 1);
    this.setMinutes(0);
};

Related

1. getSimpleHoursgetSimpleHours()

   Date.prototype.getSimpleHours = function getSimpleHours() {
     var ss_ofs = this.getDaySimpleSeconds();
     var sm_ofs = Math.floor(ss_ofs/100);
     var sh_ofs = Math.floor(sm_ofs/100);
     return sh_ofs;
   

2. hourAgo()

   Date.prototype.hourAgo = function () {
     this.setHours(this.getHours() - 1);
     return this;
   

3. millisPerHour()

   Date.millisPerHour = function(){ return 3600 * 1000 };
   Date.millisPerDay = function(){ return 24 * Date.millisPerHour() };
   Date.millisPerYear = function(){ return Date.millisPerDay() * 365 };
   Date.yearsFromNow = function(years){ return Date.fromMillis(Date.clone().getTime() + Date.millisPerYear() * years) };
   Date.hoursAgo = function(hours){ return Date.fromMillis(Date.clone().getTime() - Date.millisPerHour() * hours) };
   Date.daysAgo = function(days){ return Date.fromMillis(Date.clone().getTime() - Date.millisPerDay() * days) };
   Date.fromMillis = function(millis)
     return new Date(millis);
   ...
   

4. minusHours(hrs)

   Date.prototype.minusHours = function(hrs) {
       this.setHours(this.getHours() - hrs);
       return this;
   };
   

5. removeHours(h)

   Date.prototype.removeHours = function (h) {
     this.setHours(this.getHours()-h);
     return this;
   };