Calendar & Time
Online timer, stopwatch, countdown, time and hours calculators, plus working days and public holidays 2026 for countries worldwide – free, no sign-up.
An online timer, stopwatch, countdown and Pomodoro timer, plus the time calculator, hours calculator, work hours calculator and working days calculator. Public holidays 2026 for countries worldwide with long weekends and calendar download.
74 tools
Most used
- Online TimerFree online countdown timer: enter any time or tap a 5, 10 or 15 minute preset, get an alarm when time is up, remaining time in the tab. No sign-up.
- Online StopwatchFree online stopwatch with lap times, fastest/slowest lap and copy-to-clipboard. Keeps running after switching tabs or reloading the page.
- Time duration calculator: between two dates and timesTime between two dates and times in years, months, days, hours, minutes and seconds – plus the weekdays Mon–Fri in between. Free duration calculator.
- Countdown to a DateFree countdown to any date: days, hours, minutes and seconds left until your event, live and updating every second – shareable as a link or embed.
- Hours calculatorHours calculator: hours between two times minus breaks, add or subtract hours and minutes, convert to decimal hours (7.75 h = 7:45), with pay and CSV.
- World clock: current time around the worldWorld clock with seconds: current time in London, Tokyo, Dubai and 120+ cities, with time difference, DST, day or night and a meeting planner slider.
- When is Easter 2027? Easter date for any yearWhen is Easter 2027? Easter Sunday is March 28, 2027; Orthodox Easter is May 2. With countdown, Good Friday, Pentecost and the dates for any year.
- Pomodoro TimerPomodoro timer in your browser: 25/5/15 minutes, adjustable, with task list, daily count, alarm sound and notification. Keeps time in background tabs.
All tools
- Time converter – convert any time unitTime converter: turn seconds into hours, minutes and days – or weeks, months and years. See every unit at once, the h:mm:ss form and the working shown.
- Day Counter: Count Days From, Until or Between DatesDay counter: pick a start and an end date to count the days between them – also shown as weeks, months, hours, weekdays Monday to Friday and weekend days.
- Monthly calendar printableMonthly calendar printable as PDF or PNG: pick any month, add public holidays for your country, your own dates, week numbers and notes. Letter or A4, free.
- Work Hours CalculatorFree work hours calculator with lunch break: net hours worked per day or week, decimal hours for payroll, and overtime vs. your target hours.
- Daylight saving time: when do the clocks change?Next daylight saving time change for your time zone with date, time and countdown, plus 2026 and 2027 dates for 40+ countries and which don’t change at all.
- Exact time now, with secondsThe exact time now with seconds and tenths – plus how far your device clock is off, measured against our server clock, with round-trip time and error margin.
- Printable calendar 2027Free printable calendar 2027: yearly calendar on one page or 12 monthly pages, with week numbers and public holidays for your country. Print or save as PDF.
- What day of the year is it?Day of the year today or for any date: day number 1 to 366, days left, percent of the year passed, ISO ordinal date, Julian Date – and from number to date.
- Online Alarm ClockOnline alarm clock in your browser: set one or several alarms, choose a sound and volume, snooze, or tap "in 10 minutes". Free, no app, no sign-up.
- Visual Timer (Classroom Timer)Visual timer for classrooms and kids: a coloured disc shrinks as time runs out, fullscreen for projector and whiteboard, alarm at the end. Free and online.
- Military time converterMilitary time converter: change 24-hour time to 12-hour AM/PM time and back, with military format like 1430, minutes since midnight and a table of all hours.
- Week CalculatorWeek calculator: how many weeks between two dates, or what date is 12 weeks from today? Get weeks and days, or add and subtract weeks, with the weekday.
- Working days calculator: Germany 2026 / 2027Working days in Germany 2026: 252 to 254 depending on the state. Calculator with all public holidays, working days per month, 5- or 6-day week, plus 2027.
- Weekly planner printableFree printable weekly planner, habit tracker and to-do list as PDF: real dates for any week, Letter or A4, portrait or landscape, your own entries.
- Birthday calendar printablePerpetual birthday calendar printable: type or paste names and birthdays, 12 months on one US Letter or A4 page as a PDF, optionally with age. Free.
- Minutes to decimal hoursConvert minutes to decimal hours and back: hours and minutes to decimal time, add up a list of times and work out pay – with a conversion table for timesheets.
- Full Screen ClockFull screen clock online: huge digital or analog time with seconds, date and colors, including a night-friendly red. The screen stays on. No app needed.
- Hourglass Timer OnlineHourglass timer: set the time and watch the sand run – 1, 3, 5 or 10 minutes, with an alarm at the end and the time left in the tab. No sign-up.
- Day of the week calculatorDay of the week calculator for any date, year 1 to 9999: what day was 9/11, July 4, 1776 or your birthday? With Zeller’s formula and the 1752 calendar change.
- Years of service calculatorYears of service calculator: length of employment since the start date in years, months and days, plus working days and your next service anniversaries. Free.
- Equinox and solstice dates with timeEquinox and solstice dates for any year from 1990 to 2100 with exact date and time in your time zone, for the northern and southern hemisphere.
- Sunrise Sunset CalculatorSunrise sunset calculator: choose a city or enter coordinates and a date to get sunrise, sunset, day length, twilight times and a 7-day outlook.
- Yearly planner printablePrintable yearly planner as PDF: 12 months on one sheet, also as school year from August, plus a team vacation planner with names. US Letter or A4, free.
- 1 Hour TimerFree 1 hour timer that starts as soon as the page opens, counts down to the second and rings at zero. Full screen and pause, no video ads.
- 1 Minute TimerFree 1 minute timer that starts as soon as the page opens, counts down to the second and rings at zero. Full screen and pause, no video ads.
- 10 Minute TimerFree 10 minute timer that starts as soon as the page opens, counts down to the second and rings at zero. Full screen and pause, no video ads.
- 10000 Days Old CalculatorWhen are you 10,000 days old, 1 billion seconds or 1,000 weeks? Enter your birth date and see every milestone with its date, weekday and how far away it is.
- 15 Minute TimerFree 15 minute timer that starts as soon as the page opens, counts down to the second and rings at zero. Full screen and pause, no video ads.
- 2 Minute TimerFree 2 minute timer that starts as soon as the page opens, counts down to the second and rings at zero. Full screen and pause, no video ads.
- 20 Minute TimerFree 20 minute timer that starts as soon as the page opens, counts down to the second and rings at zero. Full screen and pause, no video ads.
- 30 Minute TimerFree 30 minute timer that starts as soon as the page opens, counts down to the second and rings at zero. Full screen and pause, no video ads.
- 5 Minute TimerFree 5 minute timer that starts as soon as the page opens, counts down to the second and rings at zero. Full screen and pause, no video ads.
- Average time calculatorAverage time calculator: paste times in minutes and seconds or hours, get the mean, median, fastest and slowest – also average clock times past midnight.
- Create an ICS file from text or ExcelCreate an ICS file online: type events as a list or paste them from Excel, choose repeat and reminder and download a calendar file for phone and Outlook.
- How many days until Chinese New Year?Days until Chinese New Year: live countdown to Saturday, 6 February 2027, the start of the Year of the Goat, plus the dates for 2028 and 2029.
- How many days until New Year?Live New Year countdown: days, hours, minutes and seconds until midnight on January 1, plus the weekday of New Year’s Eve and Day through 2029.
- Half birthday calculatorHalf birthday calculator: find your next half birthday from the date of birth, with weekday, age and days to go, including the 29th to 31st and leap years.
- Hindu Festivals 2026Hindu festivals 2026 with dates: Diwali, Holi, Janmashtami, Dussehra, Ganesh Chaturthi, Raksha Bandhan and more – as notified by the Government of India.
- Hindu Festivals 2027Hindu festivals 2027 with dates: Diwali, Holi, Janmashtami, Dussehra, Ganesh Chaturthi, Raksha Bandhan and more – as notified by the Government of India.
- How many days until Black Friday?How many days until Black Friday? Live countdown to Friday, November 27, 2026, with Cyber Monday and the Black Friday dates for 2027 and 2028.
- How many days until Christmas?Live Christmas countdown: days, hours, minutes and seconds until December 25, plus the weekday of Christmas 2026–2028 and how many weeks are left.
- How many days until Diwali?How many days until Diwali? Live countdown to Deepavali on Sunday, 8 November 2026, with the official date for 2027 and how many weeks are left.
- How many days until Halloween?Live Halloween countdown: days, hours, minutes and seconds until October 31, plus the weekday of Halloween 2026 to 2028 and the time left in weeks.
- How many days until Hanukkah?How many days until Hanukkah? Live countdown to the first candle on the evening of Friday, December 4, 2026, with Hanukkah dates up to 2030.
- How many days until Ramadan?How many days until Ramadan? Live countdown to the first day of fasting, Monday, 8 February 2027, with Ramadan start dates up to 2029.
- How many days until Thanksgiving?Live Thanksgiving countdown: days, hours, minutes and seconds until the fourth Thursday in November, with Thanksgiving dates for 2026, 2027 and 2028.
- Islamic Holidays 2026Islamic holidays 2026: start of Ramadan, Eid al-Fitr, Eid al-Adha, Islamic New Year, Ashura and Mawlid – Umm al-Qura and Diyanet dates with the Hijri date.
- Islamic Holidays 2027Islamic holidays 2027: start of Ramadan, Eid al-Fitr, Eid al-Adha, Islamic New Year, Ashura and Mawlid – Umm al-Qura and Diyanet dates with the Hijri date.
- Jewish Holidays 2026Jewish holidays 2026: Passover 2 April, Rosh Hashanah 12 September, Yom Kippur 21 September, Hanukkah from 5 December – all 14 dates with weekdays.
- Jewish Holidays 2027Jewish holidays 2027: Passover 22 April, Rosh Hashanah 2 October, Yom Kippur 11 October, Hanukkah from 25 December – all 14 dates with weekdays.
- Lap Counter with Lap TimesOnline lap counter: tap the big button to count laps and see lap time, average and distance. Target laps with an alert, copyable lap list. Free, no app.
- Leap Year CalculatorLeap year calculator: enter a year and see at once whether it is one – with the rule, next leap year, weekday of 29 February and a list of upcoming years.
- Life in weeks calendarMake your life in weeks calendar: see weeks lived and weeks left as a poster, mark retirement and save it as PNG. Private, in your browser, no sign-up.
- Moon Phase Calendar 2026: Full Moon and New Moon DatesMoon phase calendar 2026 with all 13 full moons and 12 new moons: date, weekday and time, moon sign, a printable monthly view and a calendar file.
- Moon Phase Calendar 2026: Moon Phase Today and Full MoonMoon phase calendar 2026: today’s moon phase with illumination in percent, next full moon with time and countdown, monthly calendar, moon sign and moonrise.
- Moon Phase Calendar 2027: Full Moon and New Moon DatesMoon phase calendar 2027 with all 12 full moons and 13 new moons: date, weekday and time, moon sign, a printable monthly view and a calendar file.
- When Is the Next Friday the 13th?When is the next Friday the 13th? See the next dates from today, every Friday the 13th of any year, and how many days are left – any weekday and day work too.
- Years With the Same Calendar As Another YearWhich years have the same calendar as 2026 or any other year? Find earlier and later years with identical dates and weekdays, plus years where Jan–Feb match.
- Shift schedule generator with calendar exportMake a shift schedule online: pick a rotation (2-shift, 3-shift, 2-2-3, 4 on 4 off), see the calendar, check rest time and save it as image or ICS file.
- Sidereal Time CalculatorSidereal time calculator: Greenwich mean and apparent sidereal time and local sidereal time for any date, UT time and longitude, with the USNO formulas.
- Study Plan MakerFree study plan maker: spread chapters over the days until your exam with buffer days, a final review and calendar export (.ics). No sign-up needed.
- Tally counter onlineTally counter online: tap the big button to count up, minus to correct. Up to 8 named counters, total, target with alert, step size, undo – free, no app.
- What week number is it today?Today’s week number (ISO 8601 and US count), the week of any date, the dates of any week and all week numbers of the year – with ICS export and print.
- Week numbers 2026Week numbers 2026: 53 ISO weeks. Table with Monday and Sunday of every week, the US count, the current week and an ICS file for Outlook or Google Calendar.
- Week numbers 2027All 52 week numbers of 2027 with Monday and Sunday (ISO 8601), the US week count, the current week and an ICS file for Outlook or Google Calendar.
- Week numbers 2028Week numbers 2028: 52 ISO weeks. Table with Monday and Sunday of every week, the US count, the current week and an ICS file for Outlook or Google Calendar.
- Public Holidays Germany 2026–2030: National & RegionalPublic holidays in Germany 2025–2030: every nationwide holiday listed with date and weekday, plus the regional holidays of each state, year by year.
- School holidays in Czechia – All Years & RegionsSchool holidays in Czechia by year and region: every holiday period with start and end date, duration, countdown and calendar file.
- Germany bridge days 2027: study of all 16 statesIn 2027, 4 of 9 nationwide German public holidays fall on a weekend. State ranking, best days to take off and free CSV data (CC BY 4.0).
- Public Holidays Worldwide – Every Country, 2026 and 2027Public holidays worldwide, country by country and region by region: every date with weekday, countdown, long weekends and a calendar download (.ics).