Dates & Time

Calculate ages, date differences, deadlines, business hours, and countdowns.

Calculate exact chronological age in calendar years, months, and days, plus elapsed days and the next birthday.

Calculate calendar days, business days, weekends, and time between two dates.

See the live days, hours, minutes, seconds, weeks, and sleeps until Christmas Day 2026 in your local time zone.

Calculate elapsed-time or business-hour deadlines with pauses, holidays, timezone display, and calendar export.