What is Day Counter?
Counts calendar days, business working days, and weekend periods between two calendar dates.
How to Use This Calculator
- Select start date.
- Select end date.
- Choose whether to include the end date.
- View calendar and working day totals.
The Mathematical Formula & Variables
Days = (Date2 - Date1 in milliseconds) / (1000 * 60 * 60 * 24)
Step-by-Step Worked Example
Scenario: June 1, 2026 to August 28, 2026.
- Calendar duration = 88 days.
- Excluding weekends = 63 business weekdays.
Result: 88 Days (63 Weekdays)
Frequently Asked Questions
What are business days?
Business days are standard working days (Monday through Friday), excluding Saturdays and Sundays.