Count the days between two dates.
Pick a start and an end date to see the exact number of days, how many are business days, how many fall on weekends, and the whole span in weeks and days.
Your dates
Start date defaults to today. Weekends are Saturday and Sunday.
What this means
Business days vs weekend days
The span at a glance
Common ranges from your start date
How each span lands as a calendar date, with its total and business-day counts.
| Range | Total days | Business days | Lands on |
|---|
Counting days, explained
How Days Are Counted
The day counter computes the total calendar days between your start and end dates. It then breaks this down into complete weeks, remaining days, weekdays (Monday through Friday), and weekend days (Saturday and Sunday).
Weekday vs Weekend Breakdown
Knowing the number of weekdays is critical for business planning, project scheduling, and payroll. The weekend count helps with personal planning. The pie chart visualization shows the proportion at a glance.
Business Day Planning
For business purposes, weekdays represent potential working days. Subtract public holidays from the weekday count to get actual business days. In a typical year, there are about 252 business days after accounting for 10 federal holidays.
Using Day Counts for Project Management
Project managers use day counts to set realistic deadlines, allocate resources, and track progress. Knowing the exact number of working days helps in estimating effort and scheduling milestones accurately.
Common questions
Does the day count include the start and end dates?
The calculator counts the days from the start date up to but not including the end date. To include both dates, add 1 to the result or set your end date to one day later.
How are weekdays and weekend days calculated?
The calculator iterates through each day in the range and checks whether it falls on a weekday (Monday-Friday) or weekend (Saturday-Sunday). This gives an exact count rather than an estimate.
Does this account for public holidays?
No. Public holidays vary by country, state, and employer. The weekday count includes all Monday-through-Friday days. Subtract your applicable holidays manually for a true business day count.
What is the maximum date range I can enter?
The calculator can handle any reasonable date range supported by the JavaScript Date object, which covers dates from the year 100,000 BCE to 100,000 CE. Practically, any range you need for planning purposes will work.
Business days here count Monday through Friday only. Public holidays are not deducted, so subtract any that apply for a true working-day figure.