Using Countif with Conditional Formatting

SingTuba

New Member
Joined
Nov 23, 2022
Messages
3
Office Version
  1. 2016
Platform
  1. Windows
Hello, I am trying to make a sheet that highlights if there are clash between Exam schedules. I can use Countif to check if there are more than one exact slots in a row and highlight the exact cells with Conditional Formatting.
But when I use countif to check overlapping time slots the formula works but Conditional Formatting highlights the entire row. Is it possible for Conditional Formatting to work with my Overlapping Countif formula?.

Book1.xlsx
ABCDEFGHIJ
1
2StudentsExam and TimeOverlap between two exact Slots Overlap between Monday Slot 1 and Monday Slot 1.5Overlap between Tuesday Slot 1 and Tuesday Slot 1.5Legend
3AmeliaEnglishMathsArtHistorySlot 1 = 10:00 AM -11:30 AM
4Time SlotMonday Slot 1Tuesday Slot 1Monday Slot 1Tuesday Slot 2TRUEFALSEFALSESlot 1.5 = 10:00 AM - 12:00 PM
5Jayden LiteratureMathsMusicGeographySlot 2 = 11:30 AM-1:00 PM
6Time SlotMonday Slot 1Tuesday Slot 1Monday Slot 1.5Tuesday Slot 2FALSETRUEFALSESlot 2.5 = 12:00 PM -1:30 PM
Sheet1
Cell Formulas
RangeFormula
F4F4=COUNTIF($B$4:$E$4,B4)>1
G4G4=AND(COUNTIF($B$4:$E$4,"Monday Slot 1"),COUNTIF($B$4:$E$4,"Monday Slot 1.5"))
H4H4=AND(COUNTIF($B$4:$E$4,"Tuesday Slot 1"),COUNTIF($B$4:$E$4,"Tuesday Slot 1.5"))
F6F6=COUNTIF($B$6:$E$6,B6)>1
G6G6=AND(COUNTIF($B$6:$E$6,"Monday Slot 1"),COUNTIF($B$6:$E$6,"Monday Slot 1.5"))
H6H6=AND(COUNTIF($B$6:$E$6,"Tuesday Slot 1"),COUNTIF($B$6:$E$6,"Tuesday Slot 1.5"))
Cells with Conditional Formatting
CellConditionCell FormatStop If True
B6:E6Expression=COUNTIF($B$6:$E$6,"Monday Slot 1")+COUNTIF($B$6:$E$6,"Monday Slot 1.5")>1textNO
B4:E4Expression=COUNTIF($B$4:$E$4,B4)>1textNO
 

Excel Facts

Round to nearest half hour?
Use =MROUND(A2,"0:30") to round to nearest half hour. Use =CEILING(A2,"0:30") to round to next half hour.
How about
Excel Formula:
=COUNTIF($B$6:$E$6,B6)>1
 
Upvote 0
How about
Excel Formula:
=COUNTIF($B$6:$E$6,B6)>1
Hi, yes this formula works for two exact values but I need Conditional Formatting to highlight cells that have text in the Countif formula criteria.
Excel Formula:
=COUNTIF($B$6:$E$6,"Monday Slot 1")+COUNTIF($B$6:$E$6,"Monday Slot 1.5")>1
 
Upvote 0
How about
Excel Formula:
=AND(OR(B6="Monday Slot 1",B6="Monday Slot 1.5"),COUNTIF($B$6:$E$6,"Monday Slot 1"),COUNTIF($B$6:$E$6,"Monday Slot 1.5"))
 
Upvote 0
Solution
How about
Excel Formula:
=AND(OR(B6="Monday Slot 1",B6="Monday Slot 1.5"),COUNTIF($B$6:$E$6,"Monday Slot 1"),COUNTIF($B$6:$E$6,"Monday Slot 1.5"))
Wow this works perfectly, Thank You so much.
 
Upvote 0
You're welcome & thanks for the feedback.
 
Upvote 0

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