UTILS

Free online tools to generate, calculate,
convert, format, encode, and play.

Calendar Utils

Date and calendar utilities. Calculate ages, find day-of-week, convert between calendar systems, track moon phases, and plan with date math.

Calculate your exact age in years, months, days, hours, and minutes. Find out how many days until your next birthday.

Calculate working days between two dates, excluding weekends and optional holidays.

Date Calculator

Calculate the difference between two dates, add or subtract days/months/years, and find dates in the future or past.

Calendar Viewer

View any month and year, see day of week for any date, and navigate through months easily.

Find your Chinese zodiac animal sign based on your birth year. Learn about your characteristics and compatibility.

Event Countdown

Count down to birthdays, weddings, holidays, vacations, and other important events.

Find out what day of the week any date falls on. Calculate historical or future dates.

Convert dates between different formats including ISO 8601, Unix timestamp, and custom date formats.

Hebrew Calendar

Free online Hebrew (Jewish) calendar converter. Convert between Gregorian and Hebrew calendar dates.

Find your astrological sign based on your birth date. Learn about your personality traits and compatibility.

Islamic Calendar

Free online Islamic (Hijri) calendar converter. Convert between Gregorian and Islamic dates easily.

Julian Calendar

Convert between Gregorian and Julian calendar dates.

Meeting Time Zone Finder

Find the best overlapping hours for participants across multiple time zones. Schedule international meetings easily.

Find the moon phase for any date, see lunar calendar, and track full moons and new moons.

Tide Calculator

Estimate high and low tide times and heights using astronomical harmonic constituents.

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