Date & Time Calculators

Calculate dates, ages, and time differences.

Calculate the number of working days (business days) between two dates, excluding weekends.

Find your exact age in years, months, and days with our easy-to-use online age calculator.

Calculate the exact number of years, months, weeks, & days between any two dates.

Set a countdown to any date & time and track the days, hours, minutes, and seconds remaining.

Easily convert the time between different time zones around the world.

View the current local time in major cities across the globe to check time differences.

Quickly find the week number for any date using different standards, including ISO 8601.

Find a future or past date by adding or subtracting a specific number of days from a start date.

Calculate a future date by adding or subtracting business days, automatically skipping weekends.