Time & Date

Convert times between timezones and compare up to four zones side by side.

Calculate the exact difference between two dates in years, months, days, and business days.

Calculate your exact age in years, months, and days with birthday countdown and zodiac sign.

Live countdown to any target date or duration with presets, alerts, pause/resume, reminders, and persistence.

Precise stopwatch with lap times, split tracking, and millisecond accuracy.

Count business days between two dates or add working days to a date. Excludes weekends. Perfect for net-30 invoicing, SLAs, and project deadlines.

Pomodoro technique timer with customisable work and break durations, session tracking, and audio alerts.

Find the ISO week number for any date. See day of year, quarter, and days remaining.

Calculate time duration between two times or add and subtract hours and minutes from a time. Handles overnight shifts and decimal hours.

Live world clock showing the current time in major cities. Add any IANA timezone, remove what you don't need, updates every second.