📅 Date & Time Calculators

Calculate the number of days between two dates.

Calculate a future date by adding a specific number of days.

Calculate the number of years between two dates.

Calculate the number of weeks between two dates.

Calculate the number of months between two dates.

Calculate a future date by adding a specific number of months.

Calculate a future date by adding a specific number of years.

Find the week number for a given date.

Calculate a past date by subtracting a specific number of days.

Calculate a past date by subtracting a specific number of months.

Calculate a past date by subtracting a specific number of years.

Countdown to any date and time with precision.

Calculate your exact age in years, months, and days.

Calculate the duration between two times.

Convert between Unix timestamps and human-readable dates.

Add or subtract business days from a date.

Calculate net work hours by subtracting breaks.

Calculate project deadlines with calendar or business days.

Convert an ISO week number to a date range.

Coordinate meetings across multiple globally synchronized time zones.

Prominent countdown for product launches and webinars.

Get deep insights about your birth date, including zodiac, stats, and more.

Find out if you are a Boomer, Gen X, Millennial, Gen Z, or Alpha.

Convert your dog or cat age to human years accurately.

Estimate your baby due date based on your last period.

Calculate when you reach major life milestones in total days lived.

Convert any date into elegant Roman numerals for tattoos or designs.

Discover the lunar phase, illumination, and moon age for any specific date.

Find out exactly when your 6-month half-birthday occurs.

Check if a year is a leap year and see a list of upcoming leap years.