Welcome to the world's top site for time, time zones, and astronomy. Organize your life with free online info and tools you can rely on. No sign-up needed.

The Duration Calculator calculates the number of days, months and years between two dates.

World time and date for cities in all time zones. International time right now. Takes into account all DST clock changes.

The Date Calculator adds or subtracts days, weeks, months and years from a given date.

Calendars – online and print friendly – for any year and month and including public holidays and observances for countries worldwide.

India time now. India time zone and map with current time in the largest cities.

Tools Years with Same Calendar as 2026 Customization Forms Customize this calendar–large – advanced form with more choices Customize this calendar – classic, basic form Change your …

Canada time now. Canada time zones and time zone map with current time in each state.

Calculate the week number of any date and find the beginning and end date of a specific week of any year.

Explore our calculator & converter tools for date, time, astronomy, and more. Calculate years, months, or even seconds, or count the days to your deadline.