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.

What is year (365 d)?

A year is a unit of time equal to 365 days, representing approximately one orbit of the Earth around the Sun. It is used for long-term planning, age calculation, financial cycles, and historical timekeeping.

Worked examples

1 day = 0.00273973 year (365 d)

1 year (365 d) = 31,536,000 second

More Time conversions

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

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