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Date & Time Calculator
Calculate differences, add/subtract time, and convert formats
Calculation Type
Choose an option...
Date Difference
Add/Subtract Time
Age Calculator
Day of the Week
Business Days Calculator
Timezone Converter
Start Date
End Date
Birth Date
Reference Date
Add Subtract
Choose an option...
Add Time
Subtract Time
Amount
Time Unit
Choose an option...
Days
Weeks
Months
Years
Hours
Minutes
Calculate
Clear
How to Use
Fill in the Required Values
Click "Calculate" Button
View Step-By-Step Solution
Results
Step-By-Step Solution