# cf.h

`cf.``h`(duration=1, month=1, day=1, hour=0, minute=0, second=0)

  Return a time duration of hours in a `cf.TimeDuration` object.

  `cf.h()` is equivalent to `cf.TimeDuration(1, 'hour')`.

  See also

  `cf.Y`, `cf.M`, `cf.D`, `cf.m`, `cf.s`

  New in version 1.0.

  Parameters: | duration: number, optional The number of hours in the time duration. year, month, day, hour, minute, second: `int`, optional The default date-time elements for defining the start and end of a time interval based on this time duration. See `cf.TimeDuration` and `cf.TimeDuration.interval` for details. Example: `cf.h(minute=30)` is equivalent to `cf.TimeDuration(1, 'hour', minute=30)`.
  Returns: | out: `cf.TimeDuration` The new `cf.TimeDuration` object.
  Examples: |

      >>> cf.h()
      <CF TimeDuration: 1 hour (from Y-M-D h:00:00)>

      >>> cf.h(3, minute=15)
      <CF TimeDuration: 3 hours (from Y-M-D h:15:00)>

      >>> cf.h(0.5)
      <CF TimeDuration: 0.5 hours (from Y-M-D h:00:00)>

      >>> cf.h(6.5, minute=15, second=45)
      <CF TimeDuration: 6.5 hours (from Y-M-D h:15:45)>

      >>> cf.h(0)
      <CF TimeDuration: 0 hours (from Y-M-D h:00:00)>