[Edit]

TypeScript - subtract months from date

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Created by:

Brandy-Mccabe

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In this article, we would like to show you how to subtract months from date in TypeScript.

Quick solution:

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const date: Date = new Date('2021-06-30');
​
date.setMonth(date.getMonth() - 2);  // subtracted 2 months from existing date

Reusable example

Edit

In this example, we create a simple function that takes two arguments:

date which we want to subtract some months,
months which we want to subtract.

Practical example:

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const subtractMonths = (date: Date, months: number): Date => {
    const result = new Date(date);
    result.setMonth(result.getMonth() - months);
    return result;
};
​
​
// Usage example:
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const date: Date = new Date('2021-06-30');
const newDate: Date = subtractMonths(date, 2);  // subtracted 2 months from existing date
​
console.log(newDate.toISOString());  // 2021-04-30T00:00:00.000Z