What is hour?

An hour is a unit of time equal to 60 minutes. It is the standard unit for time-of-day references, work schedules, travel durations, and billing periods across most global contexts.

What is day?

A day is a unit of time equal to 24 hours, corresponding to one full rotation of the Earth. It is the primary unit for calendars, deadlines, event scheduling, and date-based calculations.

Worked examples

1 hour = 0.04166667 day

1 day = 86,400 second

More Time conversions

• Convert hour to second
• Convert hour to minute
• Convert hour to day
• Convert hour to week
• Convert hour to year (365 d)
• Convert hour to millisecond
• Convert hour to microsecond
• Convert hour to nanosecond
• Convert hour to century (100 yr)

Assumption: year is defined as 365 days and century values are approximate.