Explanation

Excel stores dates as serial numbers, which allows dates to be used in calculations.

For example:

=DATE(2026,9,28)

returns:

28-Sep-2026

Important Date & Time Functions

Function

Purpose

TODAY

Returns current date

NOW

Returns current date and time

DATE

Creates a date from year, month and day

DAY

Extracts day

MONTH

Extracts month

YEAR

Extracts year

WEEKDAY

Returns day-of-week number

WEEKNUM

Returns week number

EDATE

Adds/subtracts months

EOMONTH

Returns month-end date

DATEDIF

Calculates difference between dates

NETWORKDAYS

Counts working days

WORKDAY

Calculates a working-day date

Practice

Create a table with:

Employee

Joining Date

Amit

15-Jan-2024

Neha

20-Mar-2023

Rahul

10-Jul-2025

Use date functions to extract the year, month and day.