Day Counter

Count the number of days between two dates, with inclusive and exclusive totals.

Day Counter helps you count the number of days between two dates, with inclusive and exclusive totals. Enter start date and end date, review the breakdown, and use the guidance below to understand what the number means — and what it does not. What the Day Counter calculator does Day Counter is built for dates, durations, ages, and schedules. Count the number of days between two dates, with inclusive and exclusive totals. You enter start date and end date, then Simple Calculators computes the result instantly. Calendar math follows common civil-calendar rules used in everyday planning. How the math works Enter a Start date and an End date. The calculator subtracts the earlier date from the later one using the real length of each month, including February 29 in leap years. The main answer counts both the start and end dates; the plain difference (not counting the start day) is shown too, along with weeks and days and an approximate number of months. The formula: Days between = end date − start date; counting both dates adds 1. Uses the real number of days in each month, including February 29 in leap years.