Date calculators
Working days calculator
Business days between two dates, without weekends and US, UK, Canadian or Australian holidays
Days until
Countdown in days, weeks and working days to any date or holiday
Calculate age
Exact age in years and days
Days between dates
How many days, weeks and months between two dates
Date calculator
Add or subtract days, weeks or months: what date is 90 days from today?
Which calculator do I need?
- Deadlines at work or delivery times: the working days calculator skips weekends and public holidays and can add business days to a date.
- Length of a period: days between dates gives the difference in days, weeks and months, with or without the end date.
- A date in the future or past: the date calculator answers questions like "what date is 90 days from today?".
- A countdown: days until counts down to Christmas, a holiday or any date you choose.
- Birthdays: the age calculator gives an exact age and the days until the next birthday.
All calculators run in your browser, so nothing you enter is sent to a server. Weeks start on Monday and week numbers follow ISO 8601.