There are 8,766 hours in a standard year (365.25 days × 24 hours). A calendar year has 8,760 hours (365 × 24) and a leap year has 8,784 hours (366 × 24).

A day has 1,440 minutes (24 hours × 60 minutes).

A day has 86,400 seconds (24 × 60 × 60).

A week has 168 hours (7 × 24).

A standard year has 525,960 minutes (365.25 × 24 × 60). A calendar year has 525,600 minutes.