Project Countdown
Calculate the exact number of working or calendar days left until a project deadline or launch date.
Event Tracking
Countdown to holidays, birthdays, anniversaries, or weddings to stay prepared and on schedule.
Billing Cycles
Determine the number of days between billing cycles or payment due dates to manage cash flow accurately.
Growth Metrics
Measure how many days it has been since you started a new habit, business, or fitness journey.
Academic Deadlines
Calculate semester lengths, spring breaks, or countdowns to exams and graduation dates accurately.
Rental Notices
Determine exact days for lease end notices, security deposit returns, or rental billing periods.
How to Calculate Days Between Dates
Use this simple tool to determine the exact time span between any two points in time. Whether you need to know how many days are left until Christmas or how many days have passed since your last vacation, this tool provides the answer instantly.
Select your Start Date and End Date. Toggle the "Include end date" checkbox if you want to count the final day as part of the duration (e.g., Mon to Fri is 4 days, but Mon to Fri inclusive is 5 days).