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Hour function?

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    Hour function?

    Is there a function out there that can take a shorttime field and return which hour of the day it's in? Kinda like day of the week, but for hours of the day.
    Brad Steinfeldt

    #2
    I don't work with time data types often, so forgive me if this is stupid.

    I don't see anything in the date/time functions list that will do this for you.

    However, if you convert the time value to a character string, you can extract the hours using the substr() function. Here's an examplen from the interactive editor:

    Code:
    dim myTime as T
    myTime = ctot("2:30 pm")
    ?mytime
    = 00/00/0000 02:30:00 00 pm
    dim myTimeString as C
    myTimeString = convert_type(myTime,"T")
    ?myTimeString
    = "00/00/0000 02:30:00 00 pm"
    
    myHour = substr(mytimeString,12,2)
    ?myHour
    = "02"
    Hopefully someone else will have a simpler suggestion for you.

    -- tom

    Comment


      #3
      time()

      Code:
      ? time("h", now())
      = "9"
      Aaron Brown
      Alpha Software Development Team

      Comment


        #4
        Thanks, Aaron.

        I'm wondering if this is what he needs, since the AM, PM thing will influence the results:

        Code:
        dim myTime as T
        myTime = ctot("2:30 pm")
        ?time("h",myTime)
        = "14"
        Doing it your way I get "14", doing it my way I get "02".

        At least he's got some options, and your approach is much cleaner, to be sure.

        -- tom

        Comment


          #5
          Originally posted by Tom Cone Jr
          Doing it your way I get "14", doing it my way I get "02".
          If you look at the documentation for the time() function, under Date and Time Format Elements, there are several ways to get the values out of a time variable.
          Aaron Brown
          Alpha Software Development Team

          Comment


            #6
            Thanks again, Aaron.

            As I said before, I don't work with time data very much.

            Code:
            dim myTime as T
            myTime = ctot("2:30 pm")
            ?time("h am",myTime)
            = "2 pm"

            Comment


              #7
              Thanks for the help. I need to know the hour in 24 hours, so time() is what I need.

              After playing with the Time() function for a bit, I've concluded that it's pretty nice.
              The only problem I have with it is the documentation. It doesn't give the user much direction. I read through its documentation several times, but never thought I could use it with my own variables. I was thinking it worked like the Date() function-- only with the system time and just glanced over it.

              That's just my observation.
              Brad Steinfeldt

              Comment


                #8
                Originally posted by acceptthis
                I read through its documentation several times, but never thought I could use it with my own variables.
                The documentation pretty clearly states that the second parameter is an optional variable of type T.

                Character Formatted_Date_Time = TIME( [ Format_String as C [, Date_Time_Value as T ]] )
                Aaron Brown
                Alpha Software Development Team

                Comment


                  #9
                  Take a look at Date and Time Conversion Matrix.

                  Comment

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