All Tools
Browse every calculator on DateSolver.
Calculators
Date Calculator
Days between dates or add/subtract days.
Age Calculator
Find your exact age in years, months, days.
Days Between Dates
Count days, weeks, months between two dates.
Business Days Calculator
Count working days, skip weekends and holidays.
Time Calculator
Add, subtract, or compare hours and minutes.
Chronological Age Calculator
Age in years;months;days for assessments.
Week Number
Find the ISO week number for any date.
Day of the Week
What weekday was any date in history?
Days From Today
Countdowns
Days Until Christmas
Christmas Day is celebrated on December 25 every year.
Days Until Christmas Eve
Christmas Eve falls on December 24, the day before Christmas.
Days Until New Year
New Year's Day is January 1, the first day of the calendar year.
Days Until Valentine's Day
Valentine's Day is observed on February 14.
Days Until St. Patrick's Day
St. Patrick's Day is March 17, honoring the patron saint of Ireland.
Days Until Easter
Easter Sunday is computed from the Anonymous Gregorian (computus) algorithm and falls on a different date each year.
Days Until Mother's Day
Mother's Day in the US is the second Sunday of May.
Days Until Father's Day
Father's Day in the US is the third Sunday of June.
Days Until July 4th
Independence Day is celebrated on July 4.
Days Until Halloween
Halloween is observed on October 31.
Days Until Thanksgiving
Thanksgiving in the US is the fourth Thursday of November.
Days Until Black Friday
Black Friday is the day after Thanksgiving.
Days Until Labor Day
Labor Day in the US is the first Monday of September.
Days Until Memorial Day
Memorial Day in the US is the last Monday of May.
Days Until Veterans Day
Veterans Day is observed on November 11.
Days Until Groundhog Day
Groundhog Day is February 2.
Days Until April Fool's Day
April Fool's Day is April 1, a day of pranks.
Days Until Cinco de Mayo
Cinco de Mayo is celebrated on May 5.
Days Until Summer
The summer solstice in the Northern Hemisphere is around June 21.
Days Until Winter
The winter solstice in the Northern Hemisphere is around December 21.