Comparing Dates in Excel Formula - Data and Graphing Activities with Solutions

Master comparing dates in Excel formulas: DATE function, comparison operators, and spreadsheet concepts through these 10 detailed exercises.

Solutions: Exercises 1 to 10
1 DATE Function
Exercise 1
How do I create a date for March 15, 2024 using an Excel formula?
Difficulty: Beginner Time: ~3 minutes Skills: DATE Function, Excel Formula
Definition:

DATE function: Creates a date value using year, month, and day arguments. Excel stores dates as numbers.

Note: The syntax is DATE(year, month, day) in that order.

Step-by-step DATE function:
  1. Type =DATE( in a cell
  2. Enter year, month, and day separated by commas
  3. Close the parenthesis and press Enter
Formula
=DATE(2024,3,15)
Result
March 15, 2024
Step 1: Select a cell

Click on the cell where you want the date to appear.

Step 2: Type the formula

Type =DATE(2024,3,15) in the cell.

Step 3: Press Enter

Press Enter to execute the formula.

=DATE(2024,3,15)
=DATE(2024,3,15) creates March 15, 2024.
Final answer:

Type =DATE(2024,3,15) in a cell.

Applied rules:

• Function syntax: DATE(year, month, day) in that order

• Comma separator: Arguments must be separated by commas

• Cell reference: Start with = to indicate a formula

• Practice Tip: Remember Y-M-D order for DATE function

Related Examples:
  • =DATE(2023,12,25) creates Christmas 2023
  • =DATE(2024,1,1) creates New Year 2024
  • =DATE(2024,7,4) creates Independence Day 2024
Quick Tips:
  • Always start formulas with =
  • Use comma separators between arguments
  • Excel stores dates as sequential numbers starting from 1900
Frequently Asked Questions:

Q: What if I enter an invalid date?
A: Excel will show an error message. For example, =DATE(2024,2,30) fails because February doesn't have 30 days.

Q: Can I include time in the DATE function?
A: No, DATE only creates dates. For date and time, use =DATE(2024,3,15)+TIME(14,30,0).

2 Date Comparison
Exercise 2
How do I compare two dates in Excel using a formula? Is March 15, 2024 earlier than March 20, 2024?
Difficulty: Beginner Time: ~3 minutes Skills: Date Comparison, Excel Formula
Definition:

Date comparison: Using comparison operators (<, >, =) to determine the relationship between two dates in Excel formulas.

Note: Excel compares dates based on their underlying numeric values.

Step-by-step comparison method:
  1. Create two DATE functions or enter dates directly
  2. Use comparison operator (<, >, =) between them
  3. Excel returns TRUE or FALSE
Dates
March 15 vs March 20
Comparison
TRUE
Step 1: Enter the comparison

Type =DATE(2024,3,15)<DATE(2024,3,20) in a cell.

Step 2: Execute the formula

Press Enter to evaluate the comparison.

Step 3: Interpret the result

Since March 15 is before March 20, the result is TRUE.

=DATE(2024,3,15)<DATE(2024,3,20)
=DATE(2024,3,15)<DATE(2024,3,20) returns TRUE.
Final answer:

Yes, March 15, 2024 is earlier than March 20, 2024.

Applied rules:

• Comparison operators: Use <, >, = to compare dates

• Boolean result: Comparison returns TRUE or FALSE

• Chronological order: Earlier dates are less than later dates

• Practice Tip: Test with known date relationships first

Related Examples:
  • =DATE(2024,1,1)<DATE(2024,12,31) returns TRUE
  • =DATE(2024,5,15)>DATE(2024,3,10) returns TRUE
  • =DATE(2024,4,1)=DATE(2024,4,1) returns TRUE
Quick Tips:
  • < means "is earlier than"
  • > means "is later than"
  • = means "is the same date as"
Frequently Asked Questions:

Q: What operators can I use for date comparison?
A: You can use all comparison operators: <, >, <=, >=, =, <>

Q: Does time matter in date comparison?
A: Yes! If you include time, Excel compares both date and time components.

3 Greater Than
Exercise 3
Is June 10, 2024 greater than March 15, 2024 using an Excel formula?
Difficulty: Beginner Time: ~4 minutes Skills: Date Comparison, Greater Than, Excel Formula
Definition:

Greater than (>): Operator that returns TRUE if the left operand is later in time than the right operand.

Note: For dates, "greater than" means chronologically later.

Step-by-step greater than method:
  1. Create two DATE functions
  2. Use the > operator between them
  3. Evaluate the boolean result
Dates
June 10 vs March 15
Result
TRUE
Step 1: Enter the comparison

Type =DATE(2024,6,10)>DATE(2024,3,15) in a cell.

Step 2: Execute the formula

Press Enter to evaluate the comparison.

Step 3: Interpret the result

Since June 10 is after March 15, the result is TRUE.

=DATE(2024,6,10)>DATE(2024,3,15)
=DATE(2024,6,10)>DATE(2024,3,15) returns TRUE.
Final answer:

Yes, June 10, 2024 is greater than March 15, 2024.

Applied rules:

• Greater than: > operator returns TRUE if left date is later

• Chronological logic: Later dates are greater than earlier dates

• Boolean evaluation: Result is always TRUE or FALSE

• Practice Tip: Think of the number line for date ordering

Related Examples:
  • =DATE(2024,12,31)>DATE(2024,1,1) returns TRUE
  • =DATE(2024,8,15)>DATE(2024,8,10) returns TRUE
  • =DATE(2024,2,1)>DATE(2024,12,31) returns FALSE
Quick Tips:
  • Greater than means "comes later in time"
  • Think of dates on a timeline from left to right
  • Any date in June > any date in March of the same year
Frequently Asked Questions:

Q: What if I compare dates in different years?
A: The year is considered first, then month, then day. =DATE(2023,12,31)<DATE(2024,1,1) returns TRUE.

Q: Can I chain multiple comparisons?
A: Yes! You can use expressions like A1>B1 AND B1>C1 with the AND function.

Solutions: Exercises 4 to 5
4 Less Than
Exercise 4
Is January 1, 2024 less than February 14, 2024 using an Excel formula?
Definition:

Less than (<): Operator that returns TRUE if the left operand is earlier in time than the right operand.

Note: For dates, "less than" means chronologically earlier.

Step-by-step less than method:
  1. Create two DATE functions
  2. Use the < operator between them
  3. Evaluate the boolean result
Dates
Jan 1 vs Feb 14
Result
TRUE
Step 1: Enter the comparison

Type =DATE(2024,1,1)<DATE(2024,2,14) in a cell.

Step 2: Execute the formula

Press Enter to evaluate the comparison.

Step 3: Interpret the result

Since January 1 is before February 14, the result is TRUE.

=DATE(2024,1,1)<DATE(2024,2,14)
=DATE(2024,1,1)<DATE(2024,2,14) returns TRUE.
Final answer:

Yes, January 1, 2024 is less than February 14, 2024.

Applied rules:

• Less than: < operator returns TRUE if left date is earlier

• Chronological logic: Earlier dates are less than later dates

• Boolean evaluation: Result is always TRUE or FALSE

• Practice Tip: Remember: < means "earlier than"

Related Examples:
  • =DATE(2024,1,1)<DATE(2024,12,31) returns TRUE
  • =DATE(2024,5,1)<DATE(2024,5,15) returns TRUE
  • =DATE(2024,10,31)<DATE(2024,9,15) returns FALSE
Quick Tips:
  • Less than means "comes earlier in time"
  • Think of the calendar year from January to December
  • Any date in January < any date in February of the same year
Frequently Asked Questions:

Q: What happens if I compare the same dates?
A: =DATE(2024,5,1)<DATE(2024,5,1) returns FALSE since they're equal.

Q: Can I use <= for "less than or equal"?
A: Yes! =DATE(2024,5,1)<=DATE(2024,5,1) returns TRUE.

5 Equal Dates
Exercise 5
Are March 15, 2024 and March 15, 2024 equal using an Excel formula?
Definition:

Equality (=): Operator that returns TRUE if both operands represent the same date.

Note: For dates, equality means identical year, month, and day.

Step-by-step equality method:
  1. Create two DATE functions
  2. Use the = operator between them
  3. Evaluate the boolean result
Dates
March 15 vs March 15
Result
TRUE
Step 1: Enter the comparison

Type =DATE(2024,3,15)=DATE(2024,3,15) in a cell.

Step 2: Execute the formula

Press Enter to evaluate the comparison.

Step 3: Interpret the result

Since both dates are identical, the result is TRUE.

=DATE(2024,3,15)=DATE(2024,3,15)
=DATE(2024,3,15)=DATE(2024,3,15) returns TRUE.
Final answer:

Yes, March 15, 2024 and March 15, 2024 are equal.

Applied rules:

• Equality: = operator returns TRUE if dates are identical

• Exact match: Year, month, and day must all match

• Boolean evaluation: Result is always TRUE or FALSE

• Practice Tip: Use = to check for specific dates

Related Examples:
  • =DATE(2024,12,25)=DATE(2024,12,25) returns TRUE
  • =DATE(2024,1,1)=DATE(2023,1,1) returns FALSE
  • =DATE(2024,7,4)=DATE(2024,7,4) returns TRUE
Quick Tips:
  • Equality checks for exact date match
  • Year, month, and day must all be the same
  • Use for validating specific dates like birthdays
Frequently Asked Questions:

Q: What if dates have different times?
A: If you include time components, they must also match for equality.

Q: Can I check inequality with <>?
A: Yes! =DATE(2024,3,15)<>DATE(2024,3,16) returns TRUE.

Solutions: Exercises 6 to 10
6 TODAY Function
Exercise 6
How do I get today's date in Excel using a formula and compare it with March 10, 2024?
Definition:

TODAY function: Returns the current date. Updates automatically each day Excel recalculates.

Note: TODAY() takes no arguments and returns the current date.

Step-by-step TODAY method:
  1. Type =TODAY() in a cell to get current date
  2. Compare with another date using operators
  3. Excel evaluates the comparison based on current date
Function
=TODAY()
Comparison
Variable
Step 1: Get today's date

Type =TODAY() in a cell to get current date.

Step 2: Compare with another date

Type =TODAY()>DATE(2024,3,10) to compare.

Step 3: Evaluate result

Result depends on when you run the formula.

=TODAY()
TODAY() returns current date; comparison depends on current date.
Final answer:

Use =TODAY() to get today's date and compare with other dates.

Applied rules:

• TODAY function: No arguments needed, returns current date

• Dynamic update: Changes automatically each day

• Comparison logic: Works with all comparison operators

• Practice Tip: Use TODAY() for relative date calculations

Related Examples:
  • =TODAY()<DATE(2025,1,1) checks if today is before 2025
  • =TODAY()=DATE(2024,3,15) checks if today is March 15, 2024
  • =TODAY()>DATE(2023,12,31) checks if today is after 2023
Quick Tips:
  • TODAY() updates automatically each day
  • Use for calculating days until future dates
  • Combine with other functions for complex date logic
Frequently Asked Questions:

Q: When does TODAY() update?
A: It updates when the workbook recalculates, typically when opened or when cells change.

Q: Can I include time with TODAY()?
A: TODAY() only returns the date part. Use NOW() for date and time.

7 Date Difference
Exercise 7
How many days are between March 10, 2024 and March 20, 2024 using an Excel formula?
Definition:

Date difference: Calculating the number of days between two dates by subtracting them.

Note: Excel stores dates as numbers, so subtraction gives the day difference.

Step-by-step date difference:
  1. Create two DATE functions
  2. Subtract the earlier date from the later date
  3. Excel returns the number of days between them
Date Range
March 10 to March 20
Days Difference
10 days
Step 1: Enter the calculation

Type =DATE(2024,3,20)-DATE(2024,3,10) in a cell.

Step 2: Execute the formula

Press Enter to calculate the difference.

Step 3: Interpret the result

Excel returns 10, meaning 10 days between the dates.

=DATE(2024,3,20)-DATE(2024,3,10)
=DATE(2024,3,20)-DATE(2024,3,10) returns 10 days.
Final answer:

There are 10 days between March 10, 2024 and March 20, 2024.

Applied rules:

• Subtraction: Later date - Earlier date = Days difference

• Positive result: Always subtract earlier from later for positive days

• Numeric result: Excel returns the number of days as a number

• Practice Tip: Always subtract earlier date from later date for positive result

Related Examples:
  • =DATE(2024,1,10)-DATE(2024,1,1) returns 9 days
  • =DATE(2024,12,25)-DATE(2024,12,1) returns 24 days
  • =DATE(2025,1,1)-DATE(2024,12,31) returns 1 day
Quick Tips:
  • Subtract earlier date from later date for positive result
  • Excel handles leap years automatically in calculations
  • For date ranges, add 1 to include both start and end dates
Frequently Asked Questions:

Q: What if I subtract a later date from an earlier date?
A: You get a negative number. =DATE(2024,3,10)-DATE(2024,3,20) returns -10.

Q: Does Excel account for leap years in differences?
A: Yes, Excel handles leap years automatically when calculating differences.

8 Age Calculation
Exercise 8
How do I calculate someone's age using an Excel formula if they were born on January 1, 2010 and today is January 1, 2024?
Definition:

Age calculation: Determining the number of years between a birth date and a reference date.

Note: Use DATEDIF function for accurate age calculations.

Step-by-step age calculation:
  1. Use DATEDIF function with birth date and reference date
  2. Specify "y" as the interval to get complete years
  3. Excel calculates the age in whole years
Birth Date
Jan 1, 2010
Reference Date
Jan 1, 2024
Age
14 years
Step 1: Use DATEDIF function

Type =DATEDIF(DATE(2010,1,1),DATE(2024,1,1),"y") in a cell.

Step 2: Execute the formula

Press Enter to calculate the age.

Step 3: Interpret the result

Excel returns 14, meaning 14 complete years.

=DATEDIF(DATE(2010,1,1),DATE(2024,1,1),"y")
=DATEDIF(DATE(2010,1,1),DATE(2024,1,1),"y") returns 14 years.
Final answer:

The person is 14 years old on January 1, 2024.

Applied rules:

• DATEDIF function: Calculates intervals between dates

• Interval "y": Returns complete years between dates

• Birth date first: Start_date is birth date, end_date is reference date

• Practice Tip: Use TODAY() for current age calculations

Related Examples:
  • =DATEDIF(DATE(2010,1,1),TODAY(),"y") calculates current age
  • =DATEDIF(DATE(2010,6,15),DATE(2024,1,1),"y") returns 13 (birthday not passed)
  • =DATEDIF(DATE(2010,12,31),DATE(2024,1,1),"y") returns 13 (birthday not passed)
Quick Tips:
  • Use DATEDIF with "y" interval for age in years
  • Birth date comes first in the function
  • Use TODAY() for current date in age calculations
Frequently Asked Questions:

Q: What are other DATEDIF intervals?
A: "m" for months, "d" for days, "ym" for months after years, "md" for days after months.

Q: What about leap day births?
A: DATEDIF handles leap years automatically in age calculations.

9 Leap Years
Exercise 9
How do I check if 2024 is a leap year using an Excel formula?
Definition:

Leap year: A year that has 366 days instead of 365, with February having 29 days instead of 28.

Note: Occurs every 4 years, except for years divisible by 100 but not by 400.

Step-by-step leap year check:
  1. Check if February 29 exists in the year
  2. Use DATE function to create Feb 29 of that year
  3. If valid, it's a leap year; if error, it's not
Year
2024
Is Leap Year
Yes
Step 1: Try to create Feb 29

Type =DATE(2024,2,29) in a cell.

Step 2: Check if it's valid

If it returns a date, it's a leap year. If it returns an error, it's not.

Step 3: Verify result

Since 2024 is divisible by 4 and not by 100, it's a leap year.

=DATE(2024,2,29)
=DATE(2024,2,29) returns February 29, 2024 (valid date).
Final answer:

Yes, 2024 is a leap year.

Applied rules:

• Leap year rule: Divisible by 4, except century years not divisible by 400

• Validation method: Try creating Feb 29 to test leap year

• Error checking: Invalid dates return errors in Excel

• Practice Tip: Use for date validation and calendar operations

Related Examples:
  • =DATE(2024,2,29) works (2024 is leap year)
  • =DATE(2023,2,29) returns error (2023 is not leap year)
  • =DATE(2000,2,29) works (2000 is leap year, divisible by 400)
  • =DATE(1900,2,29) returns error (1900 is not leap year, divisible by 100, not 400)
Quick Tips:
  • Leap years occur every 4 years
  • Century years must be divisible by 400 to be leap years
  • Use DATE(YYYY,2,29) to validate leap years
Frequently Asked Questions:

Q: Why do we need leap years?
A: To keep our calendar in sync with Earth's orbit around the sun (365.2425 days).

Q: What happens if I create Feb 29 in a non-leap year?
A: Excel returns an error value. Always validate dates for leap year compatibility.

10 Date Formatting
Exercise 10
How do I format a date as "March 15, 2024" using an Excel formula?
Definition:

Date formatting: Changing how a date appears without changing its underlying value.

Note: Use custom format codes or built-in date formats in Excel.

Step-by-step date formatting:
  1. Enter a date in a cell (e.g., =DATE(2024,3,15))
  2. Select the cell
  3. Right-click and choose Format Cells
  4. Select Custom and enter "mmmm dd, yyyy"
Input
=DATE(2024,3,15)
Formatted
"March 15, 2024"
Step 1: Enter the date

Type =DATE(2024,3,15) in a cell.

Step 2: Format the cell

Use Format Cells dialog to select custom format.

Step 3: Apply format code

Enter "mmmm dd, yyyy" to show full month name.

=DATE(2024,3,15) with custom format "mmmm dd, yyyy"
Cell displays "March 15, 2024" while storing the date value.
Final answer:

Use custom format "mmmm dd, yyyy" to show "March 15, 2024".

Applied rules:

• Format codes: mmmm = full month name, dd = day, yyyy = 4-digit year

• Display vs value: Formatting changes appearance, not underlying date value

• Custom formats: Available for specific date patterns

• Practice Tip: Test formatting with various dates to verify output

Related Examples:
  • Format "mm/dd/yyyy" → "03/15/2024"
  • Format "dddd, mmmm dd" → "Friday, March 15"
  • Format "yy-mm-dd" → "24-03-15"
Quick Tips:
  • mmmm = Full month name (March)
  • mmm = Abbreviated month (Mar)
  • mm = Month number with leading zero (03)
  • dd = Day with leading zero (15)
  • yyyy = 4-digit year (2024)
Frequently Asked Questions:

Q: What are other common format strings?
A: mm/dd/yyyy, yyyy-mm-dd, mmmm dd, yyyy, and many more. Use built-in date formats too.

Q: Can formatting affect date comparison?
A: No, formatting only affects the display. The underlying date value remains unchanged.

Detailed Summary: Comparing Dates in Excel Formula

Definition: Comparing dates in Excel formulas involves using DATE functions and various comparison operators to determine relationships between dates. Excel stores dates as sequential numbers, making comparisons straightforward.

Core Concepts:

  • DATE function: Creates date values using year, month, day parameters
  • Comparison operators: <, >, = for direct date comparison
  • TODAY function: Returns current date for dynamic comparisons
  • Date difference: Subtraction between dates gives days difference
  • Date formatting: Changing how dates appear without changing values

Key Rules and Laws:

  • Creation rule: DATE(year, month, day) in that order
  • Comparison rule: Earlier dates are less than later dates
    • Operator precedence: Standard mathematical order applies
  • Storage rule: Excel stores dates as sequential numbers starting from 1900

Step-by-Step Methods:

  1. Create dates: Use DATE function with year, month, day parameters
  2. Compare dates: Use operators (<, >, =) between date values
  3. Calculate difference: Subtract earlier date from later date
  4. Format output: Apply custom date formats to change appearance

Examples (Simple to Advanced):

  • Simple: =DATE(2024,1,1) creates January 1, 2024
  • Medium: =DATE(2024,1,1)<DATE(2024,12,31) returns TRUE
  • Advanced: =DATEDIF(DATE(2010,1,1),TODAY(),"y") calculates age

Tips and Tricks:

  • Memory Tip: Remember Y-M-D order for DATE function
  • Comparison Tip: < means "earlier than", > means "later than"
  • Validation Tip: Always check if dates are valid before calculations
  • Formatting Tip: Use custom formats for specific date presentations

Common Pitfalls:

  • Using wrong parameter order in DATE function
  • Forgetting that Excel includes time in date values
  • Not accounting for leap years in calculations
  • Incorrect format strings causing unexpected output

Key Notes for Memorization:

  • Remember: DATE function order is Year-Month-Day
  • Practice: Test date comparisons with known values
  • Visualize: Think of dates on a timeline from left to right
  • Connect: Relate to real calendar concepts you know
Key Laws, Methods, Rules, and Definitions
date1 < date2 → earlier
Date Comparison
Key definitions:

DATE function: Creates a date value using year, month, and day arguments. Excel stores dates as sequential numbers starting from January 1, 1900.

Date comparison: Using operators to determine chronological relationships between dates

Excel date storage: Dates are stored as numbers, allowing mathematical operations

Complete methodology:
  1. Create dates: Use DATE function with year, month, day parameters
  2. Compare dates: Use operators (<, >, =) between date values
  3. Calculate differences: Subtract date values to get day count
  4. Format output: Apply custom formats to change date appearance
Tip 1: Always use DATE function in Year-Month-Day order.
Tip 2: Remember that Excel stores dates as numbers, enabling calculations.
Tip 3: Use TODAY() for dynamic date comparisons.
Tip 4: Validate dates to prevent errors from invalid inputs.
Common errors: Wrong parameter order, invalid dates, incorrect format codes.
Exam preparation: Practice DATE function, comparison operators, and basic date calculations.
Rules to remember:

• Function order: DATE(year, month, day) - Year first, then Month, then Day

• Comparison logic: Earlier dates are less than later dates (<)

• Subtraction: Later date minus earlier date gives positive day difference

• Format codes: mmmm = full month, dd = day, yyyy = 4-digit year

• Dynamic updates: TODAY() and NOW() update automatically

Rules and Methods for Comparing Dates in Excel Formula
date1 < date2 → earlier
Date Comparison
DATE Function
Comparison Operators
TODAY Function
Date Calculations
Date Formatting

Key Takeaways

  • DATE function uses Year-Month-Day order
  • Use <, >, = operators for direct date comparison
  • TODAY() returns current date dynamically
  • Subtract dates to get day difference
  • Format dates using custom format codes

Questions & Answers

Question: What is Excel and why do we use it for dates?

Answer: Excel is a spreadsheet program by Microsoft. It's excellent for working with dates because:

  • Easy creation: =DATE(2024,3,15) creates March 15, 2024
  • Simple comparison: =DATE(2024,1,1)<DATE(2024,12,31) gives TRUE
  • Powerful calculations: =DATE(2024,3,20)-DATE(2024,3,10) returns 10 days
  • Automatic formatting: Shows dates in different formats

Excel handles complex date calculations automatically, including leap years and month lengths!

Example: =DATE(2024,2,29) works because 2024 is a leap year, but =DATE(2023,2,29) would return an error.

Question: My child is in 1st grade - why are they learning Excel formulas?

Answer: While 1st graders don't typically learn actual Excel formulas, introducing spreadsheet concepts can be beneficial:

  • Logical thinking: Understanding sequences and patterns
  • Problem solving: Breaking problems into steps
  • Math connections: Spreadsheets reinforce math concepts
  • Future skills: Basic understanding of data organization

However, actual Excel formulas would be too advanced for 1st grade. This content might be better suited for older students learning about date concepts in spreadsheets.

Tip: Focus on calendar skills, date sequencing, and time concepts in 1st grade, then introduce spreadsheet tools later.

Question: What does =DATE(2024,3,15) mean? It looks like a big word!

Answer: =DATE(2024,3,15) is like a computer instruction that says "make me the date March 15, 2024!" It's like a special code:

  • = means: "Hey computer, I want you to do something!"
  • DATE means: "I want to create a date"
  • 2024: The year (like 2024 AD)
  • 3: The month (March is the 3rd month)
  • 15: The day (the 15th day)

Think of it like telling a robot exactly when your birthday is: year first, then month, then day!

Practice tip: You can imagine it like writing your birthday as 2024-03-15 but in a special computer language!

Excel Formula Glossary

DATE Function
Excel function that creates a date value using year, month, and day arguments: DATE(year, month, day).
TODAY Function
Excel function that returns the current date and updates automatically each day.
Comparison Operator
Symbols like <, >, = used to compare values. For dates, they compare chronological order.
DATEDIF Function
Excel function that calculates the difference between two dates in specified intervals (years, months, days).
Date Format
Codes that control how dates appear in cells without changing their underlying values.

Math Learning Educational Team

Certified Elementary Math Educators & Excel Specialists

Our team combines elementary education expertise with spreadsheet knowledge to create unique learning experiences that bridge traditional math concepts with data analysis tools. All content is designed to align with educational best practices while introducing practical applications of date concepts.

Learning Objectives

  • Understand DATE function and creation in Excel formulas
  • Use comparison operators to evaluate date relationships
  • Apply TODAY function for dynamic date comparisons
  • Calculate date differences using subtraction
  • Format dates for display using custom formats
  • Solve problems involving date comparisons and calculations

Excel Formula Date Comparison Guide

DATE Function
=DATE(Y,M,D)
Year-Month-Day
Comparison Operators
< > =
Compare dates
Date Difference
📅 - 📅 = 📏
Days difference
Earlier
=DATE(2024,1,1)
<
vs
Later
=DATE(2024,12,31)
Result: TRUE
DATE Function
Comparison
Excel Formula Date Operations
Create
Compare
Calculate
Format