Hour

The hour (common symbol h) is a unit of w:time. It is not an w:SI unit but is accepted for use with the SI.

In modern usage, an hour is a w:unit of measurement of w:time of the duration of 60 minutes, or 3600 seconds. It is 1/24 of a median Earth day.

• 
  Hour hand
• 
  24 Hour Clock
• 
  Hourglass
• 
  Book of Hours detail
• 
  Neon Internet Cafe open 24 hours
• 
  Opening Hours
• 
  Ranching Hours
• 
  Rush Hour
• 
  Blue Hour
• 
  Hours of Service
• 
  Hours and planets