The following table shows the most common time units and their durations.
|year (average)||365.242 days or 12 months|
|common year||365 days or 12 months|
|leap year||366 days or 12 months|
January, March, May, July, August. October, December - 31 days
April, June, September, November - 30 days.
February - 29 days for leap year and 28 days for common year
|day||24 hours or 1,440 minutes or 86,400 seconds|
|hour||60 minutes or 3,600 seconds|