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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 New Year's Day
New Year's Day is January 1, the first day of the calendar year.
Days Until Martin Luther King Jr. Day
MLK Day is the third Monday of January, honoring civil rights leader Martin Luther King Jr.
Days Until Groundhog Day
Groundhog Day is February 2, when Punxsutawney Phil predicts the rest of winter.
Days Until Valentine's Day
Valentine's Day is observed on February 14.
Days Until Presidents Day
Presidents Day is the third Monday of February.
Days Until St. Patrick's Day
St. Patrick's Day is March 17, honoring the patron saint of Ireland.
Days Until April Fool's Day
April Fool's Day is April 1, a day of pranks.
Days Until Tax Day
Tax Day in the US is April 15 in most years.
Days Until Earth Day
Earth Day is observed on April 22.
Days Until Cinco de Mayo
Cinco de Mayo is celebrated on May 5.
Days Until Mother's Day
Mother's Day in the US is the second Sunday of May.
Days Until Memorial Day
Memorial Day in the US is the last Monday of May.
Days Until Flag Day
Flag Day is observed on June 14.
Days Until Juneteenth
Juneteenth commemorates the end of slavery in the US on June 19.
Days Until Father's Day
Father's Day in the US is the third Sunday of June.
Days Until Independence Day
Independence Day, also called the Fourth of July, is celebrated on July 4.
Days Until Labor Day
Labor Day in the US is the first Monday of September.
Days Until Patriot Day
Patriot Day is observed on September 11 in remembrance of the 2001 attacks.
Days Until Columbus Day
Columbus Day is the second Monday of October.
Days Until Halloween
Halloween is observed on October 31.
Days Until Veterans Day
Veterans Day is observed on November 11.
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 Cyber Monday
Cyber Monday is the Monday after Thanksgiving.
Days Until Christmas Eve
Christmas Eve falls on December 24, the day before Christmas.
Days Until Christmas
Christmas Day is celebrated on December 25 every year.
Days Until Kwanzaa
Kwanzaa begins on December 26 and lasts seven nights.
Days Until New Year's Eve
New Year's Eve falls on December 31.
Days Until Spring Equinox
The spring equinox in the Northern Hemisphere falls around March 20.
Days Until Summer Solstice
The summer solstice in the Northern Hemisphere falls around June 21.
Days Until Fall Equinox
The fall equinox in the Northern Hemisphere falls around September 22.
Days Until Winter Solstice
The winter solstice in the Northern Hemisphere falls around December 21.
Days Until First Day of Spring
The first day of spring lines up with the March equinox.
Days Until First Day of Summer
The first day of summer lines up with the June solstice.
Days Until First Day of Fall
The first day of fall lines up with the September equinox.
Days Until First Day of Winter
The first day of winter lines up with the December solstice.
Days Until Daylight Saving Starts
In the US, daylight saving time starts on the second Sunday of March.
Days Until Daylight Saving Ends
In the US, daylight saving time ends on the first Sunday of November.
Days Until Perihelion
Perihelion is when Earth is closest to the Sun, around January 4.
Days Until Aphelion
Aphelion is when Earth is farthest from the Sun, around July 4.
Days Until Boxing Day
Boxing Day is December 26, observed in the UK, Canada, and other Commonwealth countries.
Days Until Canada Day
Canada Day is celebrated on July 1.
Days Until Bastille Day
Bastille Day is France's national day on July 14.
Days Until Guy Fawkes Night
Guy Fawkes Night, or Bonfire Night, is November 5.
Days Until May Day
May Day is celebrated on May 1.
Days Until International Women's Day
International Women's Day is observed on March 8.
Days Until Pi Day
Pi Day is celebrated on March 14 in honor of 3.14.
Days Until Star Wars Day
May the Fourth be with you. Star Wars Day is May 4.
Days Until World Environment Day
World Environment Day is observed on June 5.
Days Until World Health Day
World Health Day is observed on April 7.
Days Until World Book Day
World Book Day is observed on April 23.
Days Until World Music Day
World Music Day is celebrated on June 21.
Days Until World Photography Day
World Photography Day is August 19.
Days Until World Teachers' Day
World Teachers' Day is October 5.
Days Until World Food Day
World Food Day is October 16.
Days Until World Mental Health Day
World Mental Health Day is October 10.
Days Until World AIDS Day
World AIDS Day is December 1.
Days Until Human Rights Day
Human Rights Day is observed on December 10.
Days Until United Nations Day
United Nations Day is October 24.
Days Until World Kindness Day
World Kindness Day is November 13.
Days Until Easter
Easter Sunday is computed from the Meeus/Jones/Butcher algorithm and shifts each year.
Days Until Good Friday
Good Friday is the Friday before Easter Sunday.
Days Until Easter Monday
Easter Monday is the day after Easter Sunday.
Days Until Mardi Gras
Mardi Gras, or Fat Tuesday, falls 47 days before Easter.
Days Until Ash Wednesday
Ash Wednesday is the first day of Lent, 46 days before Easter.
Days Until Palm Sunday
Palm Sunday is the Sunday before Easter.
Days Until Ramadan
Ramadan begins with the sighting of the new moon and lasts about 30 days.
Days Until Eid al-Fitr
Eid al-Fitr marks the end of Ramadan.
Days Until Eid al-Adha
Eid al-Adha, the Festival of Sacrifice, falls about 70 days after Eid al-Fitr.
Days Until Diwali
Diwali, the Festival of Lights, is celebrated across India and the Hindu diaspora.
Days Until Chinese New Year
Chinese New Year, also called the Spring Festival, follows the lunar calendar.
Days Until Lunar New Year
Lunar New Year is celebrated across East and Southeast Asia.
Days Until Rosh Hashanah
Rosh Hashanah is the Jewish New Year.
Days Until Yom Kippur
Yom Kippur is the Day of Atonement, the holiest day in Judaism.
Days Until Hanukkah
Hanukkah is the Jewish Festival of Lights, lasting eight nights.
Days Until National Donut Day
National Donut Day is the first Friday of June.
Days Until National Pizza Day
National Pizza Day is February 9.
Days Until National Coffee Day
National Coffee Day is September 29.
Days Until National Pet Day
National Pet Day is April 11.
Days Until National Puppy Day
National Puppy Day is March 23.
Days Until National Cat Day
National Cat Day is October 29.
Days Until National Dog Day
National Dog Day is August 26.
Days Until National Best Friends Day
National Best Friends Day is June 8.
Days Until National Boyfriend Day
National Boyfriend Day is October 3.
Days Until National Girlfriend Day
National Girlfriend Day is August 1.
Days Until National Sons Day
National Sons Day is September 28.
Days Until National Daughters Day
National Daughters Day is September 25.
Days Until National Siblings Day
National Siblings Day is April 10.
Days Until National Grandparents Day
National Grandparents Day is the second Sunday of September, just after Labor Day.
Days Until Teacher Appreciation Day
Teacher Appreciation Day falls in the first full week of May.
Days Until Nurses Day
National Nurses Day is May 6.
Days Until Bosses Day
National Bosses Day is October 16.
Days Until Administrative Professionals Day
Administrative Professionals Day is the Wednesday of the last full week of April.
Days Until National Coming Out Day
National Coming Out Day is October 11.
Days Until National Voter Registration Day
National Voter Registration Day is the fourth Tuesday of September.
Days Until Sweetest Day
Sweetest Day is the third Saturday of October.
Days Until Super Bowl Sunday
Super Bowl Sunday is the NFL championship game, usually the first or second Sunday of February.
Days Until Oktoberfest
Oktoberfest in Munich typically opens in mid-September.
Days Until Pride Month
Pride Month begins on June 1.
Days Until Back to School
Back to school season starts around mid-August for many US districts.
Days Until FIFA World Cup
The FIFA World Cup is held every four years. Next edition kicks off in 2026.
Days Until Summer Olympics
The Summer Olympics return in 2028 (Los Angeles).
Days Until Winter Olympics
The Winter Olympics return in 2026 (Milano-Cortina).
Days Until Friday the 13th
Friday the 13th occurs whenever the 13th of a month lands on a Friday.
Days Until Leap Day
Leap Day is February 29, which only appears in leap years.
Days Until National Relaxation Day
National Relaxation Day is August 15.
Days Until Super Bowl
The Super Bowl is the NFL championship game, played on a Sunday in February.
Days Until NFL Season Kickoff
NFL Kickoff Weekend opens the regular season on the first Thursday after Labor Day.
Days Until NFL Playoffs
The NFL playoffs begin with Wild Card weekend in mid-January.
Days Until NBA Opening Night
NBA Opening Night tips off the regular season in mid-to-late October.
Days Until NHL Opening Night
NHL Opening Night drops the puck on the regular season in early October.
Days Until MLB Opening Day
MLB Opening Day starts the baseball regular season in late March.
Days Until March Madness
The NCAA Division I men's basketball tournament tips off in mid-March.
Days Until The Masters
The Masters Tournament is played in the first full week of April at Augusta National.
Days Until Summer Break
Counting down to summer (June solstice).
Days Until Last Day of School
Most US school districts end classes in late May or early June.
Days Until The Weekend
Counting down to the next Saturday.
Days Until Friday
Counting down to the next Friday.