Date & Time

Add and subtract hours, minutes and seconds. Running total mode for timesheets, or calculate the time between two clock times

Convert times between 20+ world timezones instantly. Quick buttons for popular routes like London to New York, London to Tokyo

See current time in multiple cities around the world simultaneously with live updating display and add or remove cities

Convert days to hours instantly. Free days to hours converter for time calculations.

Convert days to weeks easily. Free days to weeks converter for time calculations.

Convert hours to days easily. Free hours to days converter for time calculations.

Convert hours to minutes instantly. Free hours to minutes converter for time calculations.

Convert minutes to hours easily. Free minutes to hours converter for time conversion.

Online stopwatch with start, stop, reset and lap timer showing elapsed time in hours, minutes, seconds and milliseconds

Convert weeks to days instantly. Free weeks to days converter for time conversion.

Create a beautiful countdown to any date and time. Set an event name, target date, and watch the live countdown. Shows weeks, days, hours, minutes, and seconds.

Calculate the exact difference between two dates or add and subtract days, weeks, months and years from any date. Includes business days, weekends and quick presets

Convert dates between UK, US, ISO, written and Unix timestamp formats with auto-detection and copy buttons for each format

Convert any date into every major format including US (MM/DD/YYYY), UK (DD/MM/YYYY), ISO 8601, Japanese and more. Never confuse 03/04 again.

Check if any year is a leap year with explanation of the rule and a list of the next 10 upcoming leap years

Find the ISO week number for any date plus day of week, day of year and days remaining with optional year calendar view

Convert days to hours instantly. Free days to hours converter for time calculations.

Convert days to weeks easily. Free days to weeks converter for time calculations.

Convert hours to days easily. Free hours to days converter for time calculations.

Convert hours to minutes instantly. Free hours to minutes converter for time calculations.

Convert minutes to hours easily. Free minutes to hours converter for time conversion.

Convert weeks to days instantly. Free weeks to days converter for time conversion.

Add and subtract hours, minutes and seconds. Running total mode for timesheets, or calculate the time between two clock times

Convert days to hours instantly. Free days to hours converter for time calculations.

Convert hours to days easily. Free hours to days converter for time calculations.

Convert hours to minutes instantly. Free hours to minutes converter for time calculations.

Convert minutes to hours easily. Free minutes to hours converter for time conversion.

See public holidays by state and territory for 2025 and 2026. Includes state-specific holidays and leave maximiser tips to get the most time off.

See all UK bank holidays for the year and check which day of the week they fall on.

Check if any year is a leap year with explanation of the rule and a list of the next 10 upcoming leap years

Find the ISO week number for any date plus day of week, day of year and days remaining with optional year calendar view

See how far through the year you are with a visual progress bar and percentage.

Track the countdown to your next birthday. Shows your current age, zodiac sign, days lived, and fun birthday facts. Enter your birth month and day to get started.

Create a beautiful countdown to any date and time. Set an event name, target date, and watch the live countdown. Shows weeks, days, hours, minutes, and seconds.

Count down the days until any date or event. Quick presets for Christmas, New Year, Easter and more. Shows weeks, months and sleeps

Countdown to upcoming US elections and voting dates. Shows days until election day, early voting dates and voter registration deadlines.

Convert days to hours instantly. Free days to hours converter for time calculations.

Convert days to weeks easily. Free days to weeks converter for time calculations.

Convert hours to days easily. Free hours to days converter for time calculations.

Convert weeks to days instantly. Free weeks to days converter for time conversion.

Add and subtract hours, minutes and seconds. Running total mode for timesheets, or calculate the time between two clock times

Convert hours to minutes instantly. Free hours to minutes converter for time calculations.

Convert minutes to hours easily. Free minutes to hours converter for time conversion.

Free online Pomodoro timer with customisable work and break durations. Track focus sessions, see daily stats, and boost your productivity with the Pomodoro Technique.

Create a beautiful countdown to any date and time. Set an event name, target date, and watch the live countdown. Shows weeks, days, hours, minutes, and seconds.

Online stopwatch with start, stop, reset and lap timer showing elapsed time in hours, minutes, seconds and milliseconds

Calculate your exact age in years, months and days. Plus total days alive, zodiac sign, Chinese zodiac, generation and next birthday countdown

Track the countdown to your next birthday. Shows your current age, zodiac sign, days lived, and fun birthday facts. Enter your birth month and day to get started.

Calculate your exact age in years, months and days. Plus total days alive, zodiac sign, Chinese zodiac, generation and next birthday countdown

Track the countdown to your next birthday. Shows your current age, zodiac sign, days lived, and fun birthday facts. Enter your birth month and day to get started.

Calculate your exact age in years, months and days. Plus total days alive, zodiac sign, Chinese zodiac, generation and next birthday countdown

Track the countdown to your next birthday. Shows your current age, zodiac sign, days lived, and fun birthday facts. Enter your birth month and day to get started.

Plan your annual leave strategically by combining with bank holidays to get longest time off.

Find the best time to sleep or wake up based on 90-minute sleep cycles. Get 5-6 complete cycles for optimal rest and energy

Calculate working days between two dates excluding weekends and UK bank holidays with full breakdown of total, weekend and holiday days

Calculate daily and weekly work hours with break deductions. Track overtime, see monthly estimates in both decimal and HH:MM formats

Convert Unix timestamps to human-readable dates and vice versa. Live current timestamp display with local time, UTC and ISO formats

Calculate the number of working days between two dates, excluding weekends and bank holidays.