Date Calculators

See the exact date any number of days from today — with the day of the week, and weeks/months equivalents. Updates live every day.

e.g. What date is 90 days from today?

Find what date it was any number of days ago, and jump to what happened on that date in history.

e.g. What date was 2000 days ago?

Add or subtract days, weeks, months, or years from any date and see exactly what day of the week the result falls on.

e.g. What date is 90 days from today?

Count working days between two dates, excluding weekends and public holidays for your country. Perfect for deadline planning and project management.

e.g. How many business days until my deadline?

Find the exact number of days, weeks, months or years between any two dates. Great for tracking durations, anniversaries, and milestones.

e.g. How many days between my trip dates?

Calculate your exact age in years, months and days. Also reveals what day of the week you were born and how many days until your next birthday.

e.g. Exactly how old am I in days?

Find what day number of the year any date is and how many days remain. Useful for Julian date references and year-progress tracking.

e.g. April 14 = Day 104 of the year

Get the ISO week number for any date. Useful for project planning, scheduling, and international business coordination.

e.g. What ISO week is my meeting in?

Check if any year is a leap year and see how many leap years fall in any range. Handy for birthday planning and calendar trivia.

e.g. Is 2028 a leap year?

Live local time in 53 countries and 85 time zones, with summer/winter time applied automatically and the difference from your own clock.

e.g. What time is it in Japan right now?

Convert any date both ways between the Persian Solar Hijri (Jalali) calendar and the Gregorian calendar, using English month names such as Farvardin and Esfand.

e.g. 7 April 2025 = 18 Farvardin 1404

See today's Solar Hijri date, weekday, Persian month, and how many days remain until the next Nowruz.

e.g. What is today in the Persian calendar?

Gregorian dates for Nowruz, 1 Farvardin, with a table of upcoming Solar Hijri years and days remaining.

e.g. When is Nowruz 1406?

All 12 Solar Hijri months, with day counts and the Gregorian range for the current Persian year.

e.g. When is Farvardin this year?