What is a Day (day)?

A day is a unit of time equal to 24 hours or 86,400 seconds, based on Earth's rotation.

Definition

Symbol

day

Category

Time

System

Both

1 {unit} = {value} {otherUnit}

1 Day = 86400000 Millisecond (ms)

1 Day = 86400 Second (s)

1 Day = 1440 Minute (min)

1 Day = 24 Hour (h)

1 Day = 0.142857 Week (week)

Common Uses

  • Calendar dates
  • Shipping estimates
  • Project planning

Day Conversions

Related Units