Returns the hour component of a given date.

Sample usage

HOUR(Hit Time)


HOUR(X [,Input Format])


  • X - a field or expression that evaluates to text, number, or date.
  • Input Format - format for X. Optional if X is correctly configured as a semantic date field.

Input format

HOUR accepts the following input formats if X is a text field.

  • Any valid strptime format is accepted.
  • 'BASIC': %Y/%m/%d-%H:%M:%S
  • 'DEFAULT_DASH': %Y-%m-%d [%H:%M:%S]
  • 'DEFAULT_SLASH': %Y/%m/%d [%H:%M:%S]
  • 'DEFAULT_DECIMAL': %Y%m%d [%H:%M:%S
  • 'RFC_1123': for example, Sat, 24 May 2008 20:09:47 GMT
  • 'RFC_3339': for example, 2008-05-24T20:09:47Z

HOUR accepts the following input format if X is a numerical field.

  • 'SECONDS': seconds since Epoch
  • 'MILLIS': milliseconds since Epoch
  • 'MICROS': microseconds since Epoch
  • 'NANOS': nanoseconds since Epoch
  • 'JULIAN_DATE': days since Epoch


Formula Input Output
HOUR(Hit time) Jan 1, 2019 0
HOUR(Hit time, 'BASIC') 2019/01/01-09:40:45 9
HOUR(Hit time, 'SECONDS') 1561784874 5
HOUR(Hit time, 'MILLIS') 1562004058620 18

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