how to use the sethours function from the date-fns library in typescript

Here is an example of how to use the setHours function from the date-fns library in TypeScript:

index.ts
import { setHours } from 'date-fns';

const date = new Date(); // current date
const newDate = setHours(date, 10); // set the hours to 10AM
console.log(newDate); // e.g. 2021-08-10T10:00:00.000Z
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In this example, we import the setHours function from date-fns and use it to set the hours of the date object to 10AM. The setHours function returns a new date object with the modified hours. We then log the new date object to the console.

Note that setHours modifies only the hours of the Date object, leaving the other fields untouched. If you want to also modify the minutes, seconds, or milliseconds, you can chain the corresponding setMinutes, setSeconds, or setMilliseconds functions from date-fns.