📅Date & Time
Free date and time tools: age calculator, date difference, countdowns, business days and time zones. Accurate to the day.
🎂 Age Calculator Free age calculator: enter your date of birth to find your exact age in years, months and days, plus total weeks, hours, minutes, zodiac sign and next birthday. ⏱️ 1 Hour Timer Free online 1 hour timer preset to 60 minutes. Press start and it counts down to zero with an alarm. Adjust the minutes and seconds, pause, or reset anytime. ⏱️ 1 Minute Timer Free online 1 minute timer with a loud alarm. Set a timer for 1 minute (60 seconds), start, pause, and reset a precise per-second countdown right in your browser. ⏲️ 10 Minute Timer Free online 10 minute timer with alarm. Preset to 10:00, one click to start, an accurate countdown that keeps time in a background tab, plus adjustable minutes and seconds. ⏲️ 12 Minute Timer Free online 12 minute timer with an alarm. Preset to 12:00 and ready on load, it counts down 720 seconds accurately even in a background tab. No install. ⏲️ 13 Minute Timer Free online 13 minute timer with an alarm. Preset to 13:00 and ready on load, it counts down accurately even in a background tab. Adjust the minutes and seconds. ⏲️ 14 Minute Timer Free online 14 minute timer with an alarm. Preset to 14:00 and ready on load, it counts down accurately even in a background tab. Adjust the minutes and seconds. 15 15 Minute Timer Free online 15 minute timer with a loud alarm. Preset to 15:00 and ready on load, it runs in your browser, keeps accurate time, and needs no signup. ⏲️ 18 Minute Timer Free online 18 minute timer with an alarm. Preset to 18:00 and ready on load, it counts down accurately even in a background tab. Adjust the minutes and seconds. ⏲️ 2 Hour Timer Free online 2 hour timer with an alarm. Preset to 120:00 and ready on load, it counts down 7200 seconds accurately even in a background tab. No sign in needed. ⏱️ 2 Minute Timer Free online 2 minute timer with a loud alarm. Preset to 02:00 and ready on load, it counts down accurately even in a background tab. Adjust the minutes and seconds. ⏲️ 20 Minute Timer Free online 20 minute timer with an alarm sound. Preset to 20:00 and ready on load. Great for a power nap, study sprint, oven bake, or the 20-20-20 eye rule. 🍅 25 Minute Timer Free online 25 minute timer with a loud alarm. Preset to 25:00 and ready on load, this classic Pomodoro block counts down accurately even in a background tab. 3 3 Minute Timer Free online 3 minute timer with an alarm. Preset to 03:00, one tap to start, accurate even in a background tab. Great for eggs, tea, planks and breathing. ⏱️ 30 Minute Timer A free online 30 minute timer that counts down from 30:00 and rings an alarm when time is up. Adjust the minutes and seconds, then start, pause or reset. ⏲️ 30 Second Timer Free online 30 second timer with an alarm. Preset to 00:30 and ready on load, it counts down accurately even in a background tab. Adjust the seconds if you need to. ⏲️ 35 Minute Timer Free online 35 minute timer with an alarm. Preset to 35:00 and ready on load, it counts down accurately even in a background tab. Adjust the minutes and seconds. ⏱️ 4 Minute Timer Free online 4 minute timer with a loud alarm. Preset to 04:00 and ready on load, it counts down accurately even in a background tab. Adjust the minutes and seconds. ⏲️ 40 Minute Timer Free online 40 minute timer with an alarm. Set a timer for 40 minutes, start, pause and reset, and hear a beep when time is up. Accurate even in a background tab. ⏲️ 45 Minute Timer Free online 45 minute timer with an alarm. Set a timer for 45 minutes, start, pause and reset, and hear a beep when time is up. Accurate even in a background tab. ⏱️ 5 Minute Timer Free online 5 minute timer with a loud alarm. Preset to 05:00 and ready on load, it counts down accurately even in a background tab. Adjust the minutes and seconds. ⏲️ 50 Minute Timer Free online 50 minute timer with a loud alarm. Preset to 50:00 and ready on load, it counts down accurately even in a background tab. Adjust the minutes and seconds. ⏲️ 6 Minute Timer Free online 6 minute timer with an alarm. Preset to 06:00 and ready on load, it counts down accurately even in a background tab. Adjust the minutes and seconds. ⏲️ 7 Minute Timer Free online 7 minute timer with an alarm. Preset to 07:00 and ready on load, it counts down accurately even in a background tab. Adjust the minutes and seconds. ⏲️ 8 Minute Timer Free online 8 minute timer with a loud alarm. Preset to 08:00 and ready on load, it counts down accurately even in a background tab. Adjust the minutes and seconds. ⏱️ 90 Minute Timer Free online 90 minute timer preset to 1 hour 30 minutes. Press start and it counts down from 1:30:00 to zero with an alarm. Adjust, pause, or reset anytime. 📆 Add or Subtract Days Calculator Add or subtract days, weeks, months, or years from any date and get the exact result plus its weekday. Free date calculator with no time-zone drift or sign-up. ⏱️ Add Time Calculator Free add time calculator to add or subtract hours, minutes and seconds. See the result with day rollover, sum durations, and convert to decimal hours fast. 👥 Age Gap Calculator Free age gap calculator. Enter two birth dates to find the exact age difference in years, months, days and total days, plus the half-your-age-plus-7 dating rule. 👶 Age in Months Calculator Free age in months calculator. Enter a date of birth to see exactly how many months old someone is, plus remaining days, total weeks, total days and years. 💎 Birthstone Finder Free birthstone finder: enter your birth month or date to see the modern and traditional birthstone, its color, meaning and zodiac and mystical alternates. 🎁 Boxing Day Countdown Live Boxing Day countdown showing the exact days, hours, minutes and seconds until December 26. Watch the count tick down in real time to the next Boxing Day. 📅 Business Days Calculator Free business days calculator counts working days (Mon to Fri) between two dates, excluding weekends. See total days, business days, weekend days, and full weeks. 🐉 Chinese Zodiac Calculator Free Chinese zodiac calculator: enter any birth year to find your animal sign, five-element pairing, Yin or Yang polarity, traits, lucky numbers and New Year note. 🎄 Christmas Countdown Live Christmas countdown showing the exact days, hours, minutes and seconds until December 25. Watch the count tick down in real time to the next Christmas Day. 🎂 Chronological Age Calculator Free chronological age calculator. Enter a date of birth and an assessment date to get exact age in years, months and days, plus total months, weeks and days. 🏫 Classroom Timer Free classroom timer with one-tap presets (1 to 30 min) and a loud alarm. Default 10:00, big display, pause and reset, accurate even in a background tab. ⏳ Countdown Timer Free live countdown timer to any date and time. Enter a target moment and watch the days, hours, minutes and seconds tick down in real time until your event. 🕐 CST to EST Converter Convert CST to EST instantly with our free tool. Central Time is always 1 hour behind Eastern Time in the US. Enter a date and time for the exact result. 🕒 CST to IST Converter Convert CST to IST instantly. Enter a US Central Time date and time and get the exact India Standard Time, with the current 11.5 or 10.5 hour gap explained. 🕓 CST to PST Converter Free CST to PST converter. Enter a US Central date and time and instantly see the matching Pacific Time, with automatic CST/CDT and PST/PDT detection built in. 🕘 Current GMT Time See the current GMT time right now with a live, second-by-second UTC clock, plus New York, Chicago, Denver, LA, India and London converted at the same instant. 📅 Date Difference Calculator Free date difference calculator finds the exact days between two dates, plus years, months, days, total weeks and business days. Works in any order, no signup. 📅 Date Format Converter Free date format converter. Enter any date and instantly convert it to ISO 8601, US MM/DD/YYYY, European DD/MM/YYYY, long, Unix timestamp and weekday, ready to copy. 🗓️ Date Sequence Generator Free date sequence generator: build a list of recurring dates from a start date, stepping by N days, weeks, months or years, up to an end date or count. Copy instantly. 🗓️ Date to Words Converter Free date to words converter. Enter any date and write it in words instantly, like the nineteenth of June, two thousand twenty-six, in British and American style. 📅 Day of the Week Calculator Free day of the week calculator: enter any past or future date to find the weekday, the day of the year, and the ISO 8601 week number. See what day you were born. 📆 Day of Year Calculator Free day of year calculator finds the ordinal day number (1 to 366) for any date, days remaining, percent elapsed, weekday and ISO 8601 ordinal date. 🗓️ Days Between Dates Calculator Free days between dates calculator. Count the exact number of days, weeks, business days, hours, and years-months-days between any two dates. No sign-up. 📅 Days in Month Calculator Free days in month calculator: pick any month and year to see how many days it has, check leap years, and view a full 12-month reference table instantly. 📆 Days Since Calculator Free days since calculator. Enter any past date to see exactly how many days have passed since then, plus the total in weeks, months and years up to today. ⏳ Days Until Calculator Free days until calculator: pick any date to see the exact days until it, plus weeks, months and hours, and a live countdown to New Year, Christmas and more. 📅 Days Until Calculator Free days until countdown calculator: pick any date to see how many days until it, plus the gap in weeks, months, business days and the weekday it lands on. 🐰 Easter Date Calculator Free Easter date calculator that finds Easter Sunday for any year from 1583 onward using the Gregorian Computus, plus movable feast dates and Orthodox Easter. 🕐 Epoch Time Converter Free epoch time converter. Turn a Unix timestamp into a readable UTC and local date, or convert any date back to epoch seconds and milliseconds instantly. 🕒 EST to CST Converter Free EST to CST converter. Enter a US Eastern date and time and instantly see the matching Central Time, with automatic EST/EDT and CST/CDT detection built in. 🕒 EST to IST Converter Free EST to IST converter. Enter a US Eastern date and time and instantly see the matching India Standard Time, with automatic EST/EDT detection and no fixed offset guessing. 🕒 EST to PST Converter Free EST to PST converter. Enter any date and time in Eastern Time and get the exact Pacific Time instantly, with automatic daylight saving handled for you. 👥 Generation Calculator Free generation calculator. Enter your birth year to see if you are Gen Z, Millennial, Gen X, Boomer, Alpha or Beta, with full year ranges and 2026 ages. 🕘 GMT to CST Converter Free GMT to CST converter. Enter a Greenwich Mean Time and instantly see the matching US Central Time, with automatic CST/CDT detection so the offset is always correct. 🌉 GMT to PST Converter Free GMT to PST converter. Enter a GMT/UTC date and time and see the matching US Pacific time, with automatic PST/PDT detection and no offset guessing. 🎃 Halloween Countdown Free live Halloween countdown showing the exact days, hours, minutes and seconds until October 31. Watch the clock tick down to the next Halloween in real time. 🌮 How Many Days Until Cinco de Mayo How many days until Cinco de Mayo? See the exact days, hours, minutes, and seconds left until the next May 5, ticking live every second, plus history and facts. 🌍 How Many Days Until Earth Day How many days until Earth Day? Live countdown to April 22 with exact days, hours, minutes and seconds, plus the resolved date, history, and 2026 theme. 🎆 How Many Days Until July 4th How many days until July 4th? Get a live countdown to Independence Day with exact days, hours, minutes, seconds, the resolved date, weekday, and holiday facts. 🎂 How Many Days Until My Birthday How many days until your birthday? Enter your birth date for a live countdown in days, hours, minutes and seconds, plus age, zodiac sign and golden birthday. 🎆 How Many Days Until New Year's Eve Find out how many days until New Year's Eve with a live countdown to December 31, updating every second with exact days, hours, minutes and seconds remaining. ☘️ How Many Days Until St. Patrick's Day How many days until St. Patrick's Day? See the exact days, hours, minutes and seconds until March 17, counting down live in real time to the next celebration. 🦃 How Many Days Until Thanksgiving How many days until Thanksgiving? See a live countdown in days, hours, minutes and seconds to the next US Thanksgiving, plus the exact date for any year. 💝 How Many Days Until Valentine's Day How many days until Valentine's Day? See a live countdown to February 14 with exact days, hours, minutes, and seconds, plus gift and shipping deadlines. 🕒 IST to CST Converter Free IST to CST converter. Enter an India time and instantly see the matching US Central Time, with automatic CST/CDT detection, no fixed offset guessing. 🕒 IST to EST Converter Convert IST to EST or EDT in one step. Enter an India time and get the correct US Eastern time, with the right daylight saving label and the exact hour gap. 🕘 IST to PST Converter Free IST to PST converter. Enter an India time and instantly get the matching US Pacific Time, with automatic PST/PDT detection and the best hours to call. 🛠️ Labor Day Countdown Live Labor Day countdown showing the exact days, hours, minutes and seconds until the first Monday of September. Watch the count tick down to Labor Day. 📅 Leap Year Calculator Free leap year calculator: enter any year to see if it is a leap year, why the rule decides it, the days in February, and the next 5 leap years. Count leaps too. 📅 Leap Year Checker Free leap year checker: enter any year to instantly see whether it is a leap year, why the rule applies, how many days February has, and the next leap years. 🗓️ Meeting Time Planner Free meeting time zone planner. Enter a meeting time in your zone and add participant zones to see everyone's local time, so you can pick a slot that works. 🌙 Moon Phase Calculator Free moon phase calculator: enter any date to see the lunar phase, percent illumination and the Moon age in days, with an emoji and the eight named phases. 🕒 MST to CST Converter Free MST to CST converter. Enter a US Mountain date and time and instantly see the matching US Central Time, with automatic MST/MDT and CST/CDT detection. 📅 Nth Weekday Calculator Free nth weekday calculator. Find the date of any nth weekday in a month, like the 3rd Monday or last Friday, and see when the 5th occurrence does not exist. 🍅 Pomodoro Timer Free Pomodoro timer online. Set work, short break and long break lengths, auto-cycle through sessions, and stay focused with this 25 minute focus timer. 🕐 PST to CST Converter Free PST to CST converter. Enter a US Pacific date and time and instantly see the matching Central Time. Central is always 2 hours ahead of Pacific, all year. 🕒 PST to EST Converter Convert PST to EST instantly and correctly. Enter any Pacific time and this free PST to EST converter shows the matching Eastern time, with automatic daylight saving handling. 🕒 PST to IST Converter Free PST to IST converter. Enter a US Pacific date and time and instantly see the matching India Standard Time, with automatic PST/PDT detection and no fixed offset guessing. 📅 Quarter of the Year Calculator Find which quarter a date falls in. See the calendar quarter (Q1 to Q4), its months, start and end dates, days remaining, and optional fiscal quarter instantly. 🏖️ Retirement Date Calculator Free retirement date calculator: enter your date of birth and target retirement age to see your exact retirement date, your current age, and a live countdown. 🏛️ Roman Numeral Date Converter Free Roman numeral date converter. Turn any date into Roman numerals in formats like DD.MM.YYYY (19.VI.MMXXVI). Perfect for tattoos, rings and engravings. Copy. ⏱️ Seconds to HH:MM:SS Converter Free seconds to HH:MM:SS converter that works both ways: turn any number of seconds into hours, minutes and seconds (plus days and decimal hours), or reverse. ⏱️ Online Stopwatch Free online stopwatch that counts up with lap support. Start, pause, record laps, and reset in your browser. Reads minutes, seconds, and hundredths (MM:SS.CS). 🌅 Sunrise Sunset Calculator Free sunrise and sunset calculator. Enter latitude, longitude, date and UTC offset to get approximate sunrise time, sunset time and total daylight hours. 🦃 Thanksgiving Countdown Free live Thanksgiving countdown showing the exact days, hours, minutes and seconds until the next US Thanksgiving, the fourth Thursday of November, in your local time. ⏳ Time Ago Calculator Free time ago calculator: enter any past date and time to see how long ago it was in years, months and days, plus the exact total days and hours since then. ⏱️ Time Duration Calculator Free time duration calculator finds the hours and minutes between two times, plus decimal hours and total minutes. Handles AM/PM, 24-hour input and overnight shifts. 🕒 Time to Decimal Converter Convert time to decimal hours and back. Turn hours and minutes into decimal hours for timesheets and payroll, or decimal hours back into HH:MM, instantly. 🌐 Time Zone Converter Free time zone converter: convert any time between world zones like New York, London, Tokyo, and Dhaka. Enter a date and time, pick zones, get the answer. 📅 Week Number Calculator Free ISO 8601 week number calculator. Enter any date or use today to find the exact ISO week number, the ISO week-numbering year, and the weekday in one click. 📆 Week of the Month Calculator Free week of the month calculator: enter any date and instantly see which week of the month it falls in, plus that week date range. Pick Sunday or Monday. 📅 Weeks Between Dates Free weeks between dates calculator: enter two dates to see the number of weeks and leftover days between them, plus the total weeks and total days at once. 🎉 Work Anniversary Calculator Free work anniversary calculator: enter your start date to get years of service in years, months and days, total days, and a countdown to your next anniversary. ⏱️ Work Hours Calculator Free work hours calculator and timesheet tool. Enter clock-in, clock-out and break times to get hours worked as hh:mm and decimal, weekly totals and gross pay. ♈ Zodiac Sign Calculator Free zodiac sign calculator. Enter your birth date to find your Western star sign instantly, with its symbol, element, ruling planet and exact date range.
Working with dates by hand is fiddly: leap years, uneven month lengths and time zones all trip up a quick subtraction. Our date and time tools handle the calendar maths precisely, so you get the exact answer down to the day.
From finding an exact age to counting down to a deadline, everything runs locally in your browser.