Chrono — Date & Time Math Calculator

Date Difference

Time between two dates — counted every way at once.

From

To

—days

Push a date forward or backward by any amount.

Operation

Amount

Unit

Starting date & time

—

Exact age from a birth date, plus time to the next birthday.

Date of birth

Age at date

—

Live time remaining until a target moment.

Label

Target

—

Working days between two dates, excluding weekends and optional holidays.

From

To

Exclude weekends

Holiday dates (optional, comma-separated, YYYY-MM-DD)

—business days

Convert a duration between any two time units.

Value

From unit