FREE US DATE TOOLS

Calendar and Date Tools

Count dates and plan US meeting times. Today and source times follow New York (Eastern Time).

Business Days Between Dates

Count business days between dates for free. Choose observed US federal holidays, weekends only, or custom closures; include or exclude endpoints.

Calculate calendar days between two dates for free. Choose whether to include the start and end; weekends and holidays remain calendar days.

Add or subtract days or weeks from a date for free. Choose calendar or business days, federal or custom closures; the starting date is day zero.

Count days until or since a date for free. Today follows New York Eastern Time, including daylight saving time; enter your target date.

Find the day of the week for a Gregorian date for free. Enter a month, day, and year to see the complete date and its weekday.

Find a date’s week number for free. Compare Monday-start ISO weeks with Sunday-start US weeks and see the week-year at January boundaries.

Convert a New York date and time to another supported US city for free. Account for daylight saving transitions and repeated local times.

Compare meeting times in New York and two supported US cities for free. See eight hourly options and each city’s weekday planning window.