Free Date Tools
Date math, done for you.
Count the days between two dates, work out an exact age, add or subtract days, or see how long until any holiday. No sign-up.
Calculators
Days Between Dates →
Count the exact number of days between any two dates.
Age Calculator →
Find an exact age in years, months, and days from a birth date.
Add or Subtract Days →
Add or subtract days, weeks, or months from any date.
How many days until…
95
until Halloween
121
until Thanksgiving
327
until Summer
243
until Easter
235
until Spring
201
until Valentine's Day
150
until Christmas
157
until New Year's Day
327
until Father's Day
285
until Mother's Day
307
until Memorial Day
232
until St. Patrick's Day
341
until Independence Day
41
until Labor Day
281
until Cinco de Mayo
Popular date countdowns
298
until May 22
299
until May 23
308
until June 1
338
until July 1
157
until January 1
126
until December 1
65
until October 1
35
until September 1
Everything date-related, in one place
DateCalcs is a small set of free date tools. Whether you need the exact number of days until a deadline, someone's precise age, or a countdown to the next holiday, each tool runs instantly in your browser — no account, no ads blocking the answer.