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…
2 until Halloween 28 until Thanksgiving 234 until Summer 150 until Easter 142 until Spring 108 until Valentine's Day 57 until Christmas 56 until Christmas Eve 328 until Fall 53 until Winter 64 until New Year's Day 234 until Father's Day 192 until Mother's Day 214 until Memorial Day 139 until St. Patrick's Day 248 until Independence Day 312 until Labor Day 188 until Cinco de Mayo
Popular date countdowns
206 until May 23 205 until May 22 227 until June 13 184 until May 1 215 until June 1 211 until May 28 219 until June 5 226 until June 12 218 until June 4 337 until October 1 199 until May 16 287 until August 12
How many weeks until…
Weeks until ChristmasWeeks until ThanksgivingWeeks until SummerWeeks until HalloweenWeeks until EasterWeeks until SpringWeeks until New Year's Day
Countdowns by month
JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember

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.

How our countdowns are counted

Every countdown counts whole calendar days from today to the target date. Today is not included; the target date is the finish line. So if it's Monday and the date you're counting to is Wednesday, the answer is two days. Pages show the result in days, weeks-and-days, and hours, plus how many of those days are business days (Monday to Friday).

Public holidays are not subtracted from business-day counts because they differ by country, state and employer. Floating holidays are resolved by rule each year — Thanksgiving is the fourth Thursday of November, Memorial Day the last Monday of May, Labor Day the first Monday of September, and Easter is calculated with the Gregorian computus.

Frequently asked questions

Does the countdown include today?

No. We count the days between now and the target, so "1 day until" means tomorrow.

Which time zone do you use?

The page is rendered on our server, then the number is recalculated in your browser using your own clock, so it rolls over at midnight where you are.

Are the season dates exact?

Season starts use the usual astronomical dates (around March 20, June 20, September 22 and December 21). The exact equinox and solstice can shift by a day from year to year.