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Time Tools

Free online timers, stopwatch, alarm clock, world clock helpers, and work-hour calculators — no signup.

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Date tools Days between, age, week numbers, deadlines Time tools (here) Timer, stopwatch, alarm, world clock, hours Converters Unix, Excel, FILETIME, ISO 8601, cron

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Online Timer Countdown timer with presets, sound alert, and fullscreen mode Pomodoro Timer 25/5 focus cycles with session tracking Online Stopwatch Millisecond stopwatch with lap times Alarm Clock Browser alarm with snooze and bedside display Digital Clock Large live clock \u2014 12/24 hour Countdown Creator Shareable countdown to any date and time Hours Calculator Hours between two clock times with breaks Time Calculator Add or subtract hours, minutes, and seconds World Clock Live multi-city world clock Meeting Planner Find overlapping hours across time zones Lap Timer Split times, pace comparison, and export Fullscreen Clock Distraction-free fullscreen digital clock Text Clock Word clock that spells out the time Time Card Calculator Weekly timesheet hours and overtime Time Clock Calculator Clock-in/out pay calculator Decimal Hours Converter Convert HH:MM to decimal hours and back Military Time Converter Convert 24-hour to 12-hour time and back Sleep Calculator Bedtime and wake-time from sleep cycles Seconds Converter Break seconds into years, days, hours, minutes Overtime Hours Calculator Regular vs OT hours from a weekly total Multi Timer Run several countdowns side by side Interval Timer Work/rest interval training timer Tabata Timer 20s/10s Tabata round timer Metronome Online metronome with BPM control Chess Clock Two-player chess clock Tally Counter Click counter with +/- and reset Visual Timer Ring-style visual countdown Egg Timer Classic kitchen egg timer presets Classroom Timer Large classroom countdown display Exam Timer Formal exam countdown timer Presentation Timer Speech and presentation countdown Daylight Saving Time DST rules and next clock change Event Time What time is an event in another city How Long Until Live countdown to any future date and time How Long Ago Live elapsed time since any past date and time Kitchen Timer Cooking countdown timer with common kitchen presets Boxing Timer Round-based work/rest timer for boxing and combat sports training Breathing Timer Guided inhale-hold-exhale breathing pacer for relaxation breaks Shift Hours Calculator Overnight shift hours with unpaid break — wraps past midnight HIIT Timer Warm-up, work, rest, and cool-down interval timer for HIIT workouts Speech Timer Toastmasters-style speech timer with green, yellow, and red signals Meditation Timer Silent meditation timer with settling time and interval bells Analog Clock Live analog clock face with moving hour, minute, and second hands Flip Clock Split-flap style flip clock with 12/24-hour display and fullscreen New Year Countdown Live countdown to midnight on January 1 in any time zone Christmas Countdown Live countdown to Christmas Day in any time zone Midnight Countdown Live countdown to midnight tonight in any time zone Summer Countdown Live countdown to the June solstice (northern summer) Easter Countdown Live countdown to Western Easter Sunday

The time tools hub collects browser clocks, countdowns, stopwatches, and work-hour calculators in one place. Whether you need a twenty-five-minute focus block, a millisecond lap timer, a bedside alarm, or decimal hours for a timesheet, each tool opens instantly without installing software or creating an account.

Timers and focus

Start with the online timer for single countdowns, the Pomodoro timer for structured work cycles, or the stopwatch when elapsed time is open-ended. Classroom, exam, and presentation variants offer large displays tuned for schools and conferences. Interval and Tabata pages target workout rounds with separate work and rest phases. Multi timer keeps several kitchen or lab countdowns visible at once.

Clocks and alarms

The digital clock, fullscreen clock, and text clock show live time for desks and projectors. The alarm clock sets browser alerts with snooze. Global teams pair the world clock and meeting planner when several cities must agree on a call slot.

Work hours and conversions

Payroll-friendly pages include the hours calculator, time card calculator, decimal hours converter, and military time converter. Overtime drafts, sleep planning, and seconds conversion sit nearby on this hub. Calendar-side duration tools live on the date tools hub.

How to pick a starting tool

If the question is “how long until this ends,” use a countdown or timer. If the question is “how long has this taken,” use a stopwatch or lap timer. If the question is “what time is it there,” open world clock. If the question is “how many hours did I work,” start with hours calculator or time card.

Event-local sun and DST helpers also appear under time-adjacent pages; pure date math and holiday planning remain on date tools. Epoch timestamps belong under converters.

Browser note

Timers and alarms run while the tab is open. Keep the page active for reliable alerts on phones. For printable planning, open monthly calendars or the yearly calendar 2026 alongside these tools.

Pairing timers with calendar dates

A sprint deadline or exam date often needs both a countdown and a marked day on paper. Run days until for the live gap, then print the target month from monthly calendars so the due date sits in a full grid. Federal holidays on that printout use the same observed dates as the 2026 holidays list.

Frequently asked questions

What tools are on the time tools hub?

The hub links to countdown timers, stopwatch, Pomodoro, alarm and digital clocks, world clock, meeting planner, and work-hour calculators such as hours calculator and time card tools. Always confirm edge cases against primary sources when results affect legal, medical, or financial decisions.

Do these tools require installation?

No. Each tool runs in your web browser with no download or account. Open the page, set your values, and use the controls directly on the site. Always confirm edge cases against primary sources when results affect legal, medical, or financial decisions.

Which timer should I start with?

Use the online timer for a single countdown, the Pomodoro timer for repeating focus and break cycles, and the stopwatch when you need elapsed time or lap splits instead of a fixed duration. Always confirm edge cases against primary sources when results affect legal, medical, or financial decisions.

Where are date calculators listed?

Calendar math such as days between dates, business days, and deadlines is on the date tools hub. The time tools hub focuses on clocks, timers, and hourly work calculations. Always confirm edge cases against primary sources when results affect legal, medical, or financial decisions.

Why did my alarm not fire?

Browser timers need the tab open and permission to play audio. Background tabs on phones may throttle JavaScript, so keep the alarm or timer page visible for reliable alerts. Always confirm edge cases against primary sources when results affect legal, medical, or financial decisions.