Question

How to subtract minutes from a date in TypeScript

Answer 1

function subtractMinutesFromDate(minutes : number, date: Date) {
    date.setMinutes(date.getMinutes() - minutes);
  
    return date;
}
  
const date: Date = new Date('2022-03-19T18:22:15');
  
console.log(subtractMinutesFromDate(3, date).toString());
 
 
 
/*
run:
    
Sat Mar 19 2022 18:19:15 GMT+0000 (Coordinated Universal Time)
    
*/

 

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Answer 2

// There are 60,000 milliseconds in a minute

const MS_PER_MINUTE = 60000;
const date: Date = new Date('2022-03-19T18:22:15');
const minutes = 3;

const newdate: Date = new Date(date.getTime()  - minutes * MS_PER_MINUTE);

console.log(newdate.toString());

 
/*
run:
    
Sat Mar 19 2022 18:19:15 GMT+0000 (Coordinated Universal Time)
    
*/

 

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