Time & date tools

Detect your browser or system regional date and time format settings, including 12h/24h clock, week start day, timezone, calendar, and numbering system.

Calculate the number of days, weeks, months, and years until your retirement age

Calculate how long you have worked at each job. Enter start and end dates for multiple positions to see the duration in years, months, and days, plus combined total experience.

Calculate how long you have been friends with someone. Enter the date your friendship started and see the exact duration in years, months, days, and more.

Generate a random time within a selected start and end range.

Calculate days and streak duration since you quit a habit.

Calculate an estimated conception date by subtracting a standard pregnancy interval from your due date.