Day Counter Calculator
Count days between dates, find start/end dates, and calculate business days
Day Counter Calculator
Results
Quick Examples
Calculation Tips
Business days exclude weekends (Saturday and Sunday)
Toggle "Include end date" to change counting method
Use different modes to find unknown dates
Results include multiple time unit breakdowns
Common Use Cases
Project Planning
Calculate project durations and deadlines
Event Countdown
Count days until birthdays, holidays, or events
Business Planning
Calculate working days for scheduling
Personal Goals
Track fitness challenges and milestones
How to Use the Day Counter Calculator
Three Calculation Modes
Count Days Between Dates
Enter start and end dates to calculate the number of days between them. Choose whether to include the end date in your count.
Find Start Date
Know the end date and duration? Enter these to calculate when you should start.
Find End Date
Enter start date and number of days to find when something will end.
Understanding Business Days
Business days are Monday through Friday, excluding weekends. This calculator automatically separates total days into business days and weekend days.
Time Unit Conversions
The calculator provides conversions to various time units including weeks, months, years, hours, minutes, and seconds for comprehensive time analysis.
Note: Month calculations use an average of 30.44 days, and year calculations account for leap years (365.25 days average).