Date Calculator

Calculate date differences, add/subtract time periods, and analyze date relationships

What do you want to calculate?

Start Date

End Date

Calculate exact age in years, months, and days from birth date to current date.

Determine project duration, working days, and milestone dates.

Calculate time until events, anniversaries, or important dates.

Calculate contract periods, statute of limitations, and business days.

Leap years occur every 4 years (except century years not divisible by 400).

Working days exclude weekends (Saturday and Sunday) but include holidays.

All calculations use local time. Consider time zones for international dates.

Months have different lengths (28-31 days), affecting precise calculations.