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Introduction |
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User Guide |
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Alert functions |
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Mathematical functions |
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String formatting functions |
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Properties |
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Properties |
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Properties |
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Properties |
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Properties |
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Properties |
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Date and time functions
Date
time values are stored as floating point values. The integer
portion stores the number of days that have passed since
12/30/1899. The fractional part of the float value is fraction of a
24 hour day that has elapsed.
To display dates and times as strings, use the DateTimeToStr,
DateToStr, TimeToStr and FormatDateTime functions.
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Returns
the current date and time.
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Returns
the current date.
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Returns
the current time.
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function UTCDateTime: Float;
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Returns
the current UTC date and time.
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function DateTimeToStr(DateTimeValue: Float): string;
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Returns
the DateTimeValue as a string.
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function DateToStr(DateValue: Float): string;
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Returns
DateValue as a string.
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function TimeToStr(TimeValue: Float): string;
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Returns
TimeValue as a string.
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function FormatDateTime(Format: string; DateTimeValue: Float): string;
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Formats
DateTimeValue using Format. E.g. FormatDateTime('yyyy-mm-dd hh:nn:ss', Now)
may
return '2013-04-01 13:05:24'. See the Date-Time format strings topic on
the supported formatting values.
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function DayOfWeek(Date: Float): Integer;
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Returns
the day of the week for a specified date. Returns a value between 1
and 7, where Sunday is the first day of the week and Saturday is
the seventh.
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function IsLeapYear(Year: Integer): Boolean;
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Indicates
whether a specified year is a leap year.
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function EncodeDate(Year, Month, Day: Integer): Float;
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Returns
a float value that represents a specified Year, Month, and Day.
E.g. EncodeDate(2013, 4, 1)
returns
the float value for April 1, 2013.
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procedure DecodeDate(Date: Float; var Year, Month, Day: Integer);
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Returns
Year, Month, and Day values for a float value.
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function EncodeTime(Hour, Min, Sec, MSec: Integer): Float;
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Returns
a float value for a specified Hour, Min, Sec, and MSec. E.g.
EncodeTime(13, 10, 20, 0)
returns
the float value for the time 13:10:20.000.
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procedure DecodeTime(Time: Float; var Hour, Min, Sec, MSec: Integer);
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Breaks
a float value into hours, minutes, seconds, and milliseconds.
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