Convert between Hour and other Time units.

Hour

What is the hour?

The hour is a unit of time. It can be symbolized as hr. It equals 1/24 of a day. It also can be defined as 3600 seconds or 60 minutes.

Time can be measured according to two schemes:

  1. 24-hour time scheme which starts and ends at midnight.
  2. Two 12-hr segments per mean solar day ( A.M and P.M).

The first scheme is the most common scheme that is used by engineers and astronomers

Hour to Second | Hour to Minute | Hour to Week | Hour to Month | Hour to Year |
Attosecond
Century
Day
Day (sidereal)
Decade
Femtosecond
Fortnight
Hour (sidereal)
Microsecond
Millennium
Millisecond
Minute
Minute (sidereal)
Month
Month (synodic)
Nanosecond
Novennial
Octennial
Picosecond
Planck time
Quindecennial
Quinquennial
Second
Second (sidereal)
Septennial
Shake
Week
Year
Year (Julian)
Year (leap)
Year (sidereal)
Year (tropical)