The date.getDay() method in JavaScript returns an integer representing the day of the week for a specific Date object, according to local time. The value ranges from 0 to 6, where:

• 0 is Sunday
• 1 is Monday
• 2 is Tuesday
• 3 is Wednesday
• 4 is Thursday
• 5 is Friday
• 6 is Saturday

Syntax:

date.getDay();

Returns:

• An integer from 0 (Sunday) to 6 (Saturday), representing the day of the week.

Example 1: Getting the Day of the Week for a Specific Date

const date = new Date('2024-10-22');  // October 22, 2024
const dayOfWeek = date.getDay();
console.log(dayOfWeek);

Output:

2

Explanation:

• The date "2024-10-22" is a Tuesday, so getDay() returns 2, representing Tuesday.

Example 2: Getting the Current Day of the Week

const today = new Date();  // Current date
const currentDay = today.getDay();
console.log(currentDay);

Output:

(Depends on the current day of the week)

Explanation:

• If today is, for example, Friday, the output will be 5. This retrieves the current day of the week according to the system's local time zone.

Example 3: Getting the Day of the Week for a Different Date

const date = new Date('2022-07-04');  // July 4, 2022
const dayOfWeek = date.getDay();
console.log(dayOfWeek);  // Output will be 1 (Monday)

Output:

1

Explanation:

• July 4, 2022, was a Monday, so getDay() returns 1.

Summary:

• date.getDay() is used to get the day of the week as a number (0-6) for a given date.
• Sunday is represented by 0, and Saturday by 6.