Date and Time Functions

Description

Methods to support date and time data types.

Name: Description
*add_days Function: Add days to date or time.
*add_hours Function: Add hours to date or time.
*add_minutes Function: Add minutes to date or time.
*add_months Function: Add months to date or time.
*add_seconds Function: Add seconds to date or time.
*add_years Function: Add years to date or time.
*days_between Function: Return difference of days between two dates or times.
*hours_between Function: Return difference of hours between two dates or times.
*minutes_between Function: Return difference of minutes between two dates or times.
*months_between Function: Return difference of months between two dates or times.
*seconds_between Function: Return difference of seconds between two dates or times.
*years_between Function: Return difference of years between two dates or times.
a5_add_timestamp Function: Adds a date and time stamp to a script or function when it is saved
A5_CONVERT_DATE_STRING Function: The A5_CONVERT_DATE_STRING() function reformats a date string, by converting a date string from one format to another. E.g. from DMY format to YMD format.
A5_CONVERT_DATETIME_STRING Function: The A5_CONVERT_DATETIME_STRING() function reformats a date portion of a date time string, by converting a datetime string from one format to another. E.g. from DMY format to YMD format.
a5_embeddedcalendargenie Function: Display the datePicker genie
a5_get_date_format Function: Determines if the default date format is 'm/d' - USA format, or 'd/m' - non USA format.
A5_GETDATEHTML Function: Displays a dialog with a popup calendar rendered using HTML.
a5_gettimeformats Function: Get the time format strings
a5_gettimevalue Function: Prompt for a time value
a5_normalizedate Function: Used to normalize a character date or date/time value so that it conforms to local regional settings. You can specify an optional 'switch year' in the format: e.g. mm/dd/yy::30.
A5_RFC1123DATE Function: Converts a date string to an RFC 1123 formatted date (Day, dd Month yyyy hh:mm:ss TIMEZONE)
A5_RFC822DATE Function: Converts a date string to an RFC 822 formatted date (Day, dd Month yy hh:mm:ss TIMEZONE)
A5_RFC850DATE Function: Converts a date string to an RFC 850 formatted date (Weekday, dd-Mon-yy hh:mm:ss TIMEZONE)
A5_T_FROM_RFCDATE Function: Converts a time in RFC 822, RFC 850, RFC 1123 or ANSI C format to a time variable
a5_time_format_help Function: Builder for time/date format string.
A5_TIMESTAMP Function: Generates a timestamp as a character string for the current time.
ADD_BUS_DAYS Function: ADD_BUS_DAYS() returns an Ending_Date equal to Starting_Date plus Add_Days number of business days.
ADDMONTHS Function: Adds a number of months to a date.
ADDYEARS Function: Adds a number of years to a date.
AGE Function: Computes a person's age. If AsOfDate is not supplied, then age as of today is computed. If AsOfDate is supplied, then age on the AsOfDate is computed.
BUS_DAYS_BETWEEN Function: BUS_DAYS_BETWEEN() returns the number of business days between two dates, ignoring weekends and holidays. To use a SQL datasource, 'holidayTable' can be a JSON string with these properties: connectionString, table, column. e.g. {connectionString: 'northwind', table: 'holidays', column: 'dates'}
CDATE Function: Converts a date to a character value in the form 'YYYYMMDD'.
CDOW Function: CDOW() returns a character string containing the name of the day of the week for the specified Date. If the optional localized flag is true, report the localized day name. (Localized flag requires Version 10.5 or later)
CMONTH Function: CMONTH() returns the Month_Name in the specified Date or Date_Time. If the optional localized flag is true, report the localized day name. (Localized flag requires Version 10.5 or later).
CONVERT_TYPE Function: Converts a value from one data type to another.
CShortTime Function: The CShortTime() function converts a short time value into a character value (string) that can be used in a sort expression. Format is 0h0m0s3.
CTIME Function: The CTIME() function converts a time value into a character value (string) that can be used in a sort expression. Format is YYYYMMDD0h0m0s3.
CTOD Function: Converts a character string to a date value.
CTODT Function: The CTODT() function converts a date and time string to a Date Time value (date + time).
CTOT Function: The CTOT() function converts a time string to a Short Time value.
CYEAR Function: Converts a date to a character value of the form 'YYYY'.
Date and Time Conversion Matrix: A list of Inputs and Outputs relating to date time functions.
Date and Time Format Elements: A date format is created from the following date format elements.
Date and Time Functions: Alpha Anywhere provides the following Date and Time functions.
DATE Function: Returns the current system date.
Date_FirstDayOfMonth Function: Returns the first day of the month for a given date. If no argument is supplied, first day of current month.
Date_FirstDayOfPreviousMonth Function: Returns the first day of the previous month for a given date. If no argument is supplied, returns last day of the previous month for the current date.
DATE_FORMAT Function: Formats a date value using a user defined format string
DATE_FORMATS_BUILT_IN Function: Date formats for the dtoc() function
date_from_utc_date Function: Convert a UTC date-time to a date or time
date_is_anniversary Function: Returns .t. if a date or time value has the same month and day as a ReferenceDate. If ReferenceDate is blank, then today's date is used as the ReferenceDate.
date_is_in_last_month Function: Takes a date or time value and returns .t. if the date is in the previous Month
DATE_IS_IN_MONTH Function: True if date is in specified month. Month can be a Character or Numeric value
date_is_in_previous_quarter Function: Takes a date or time value and returns .t. if the date is in the previous Quarter
date_is_in_previous_week Function: Takes a date or time value and returns .t. if the date is in the week
date_is_in_previous_year Function: Takes a date or time value and returns .t. if the date is in the previous year
date_is_in_same_week Function: Takes a date or time value and returns .t. if the date is in the same week as the week of the reference date
date_is_in_this_month Function: Takes a date or time value and returns .t. if the date is in this Month
date_is_in_this_month_todate Function: Takes a date or time value and returns .t. if the date is in this Month-to-date
date_is_in_this_quarter Function: Takes a date or time value and returns .t. if the date is in this Quarter
date_is_in_this_quarter_todate Function: Takes a date or time value and returns .t. if the date is in this Quarter
date_is_in_this_week Function: Returns .t. if the date is in the current week.
date_is_in_this_week_todate Function: Takes a date or time value and returns .t. if the date is in this week-to-date
date_is_in_this_year Function: Takes a date or time value and returns .t. if the date is in this year
date_is_in_this_year_todate Function: Takes a date or time value and returns .t. if the date is in this year-to-date
date_is_today Function: Takes a date or time value and returns .t. if the date is today
date_is_yesterday Function: Takes a date or time value and returns .t. if the date is yesterday
Date_LastDayOfMonth Function: Returns the last day of the month for a given date. If no argument is supplied, last day of current month.
Date_LastDayOfPreviousMonth Function: The Date_LastDayOfPreviousMonth() function returns the last day of the previous month for a given date. If no argument is supplied, returns last day of the previous month for the current date.
date_quarternumber Function: Takes as date or time value and returns the Quarter in which the date falls
date_quarterstartend Function: Returns two properties - .StartDate and .EndDate with the start and end date for the specified quarter.
date_to_utc_date Function: Convert a date or time to a UTC date-time
DATE_VALUE Function: Returns a date value. Errors if date is out of range
DAY Function: DAY() returns an integer corresponding to the day of the month for the Date or Date_Time value.
DAY_NUMBER Function: DAY_NUMBER() returns the number of a given day. You only need to specify the first three characters of the Day_Name. Sunday is 1.
DMY Function: Converts a date to a character string in the 'DD Month YYYY' format.
DOW Function: DOW() returns an integer indicating the day of the week for the Date or Date_Time value.
DOW_ISO Function: Returns the ISO 8601 Day of Week # where Monday is day 1 and Sunday is day 7
DTOC Function: Converts a date into a character value in the form 'MM/DD/YYYY'.
DTOS Function: Converts a date into a character value in the form 'YYYYMMDD'.
FixDateString Function: Takes a date string and a date format and transforms the date string so that it matches the format that Alpha Anywhere expects (based on the current Regional Settings configuration). The year portion MUST be the last part of the date format. I.e. Does not support formats like YYYY/mm/dd
FORMAT_DATA Function: Formats an input string using a format_code. Returns a character string.
GetTimeZoneOffset Function: The GetTimeZoneOffset() function returns difference between the time zone of the computer and Greenwich Mean Time in hours.
GMT Function: GMT() returns Greenwich Mean Time on the system clock as a Formatted_Short_Time ('HH:MM:SS'). For information on the optional Format_String parameter.
Holidays: This panel lets you enter holidays to be used in your Alpha Anywhere databases.
httpdate Function: Creates an HTTP compliant date/time string
international_days_of_week Function: Returns day of week, using current culture settings
international_months Function: Returns name for all months, using current culture settings
JDATE Function: Returns a number which is the Julian equivalent to a specified date.
JTODATE Function: Returns a date value which is the equivelant to the supplied Julian number.
MDY Function: Returns a formatted character string in the 'Month DD, YYYY' format.
MONTH Function: Returns the number of the month in a date.
MONTH_END Function: Computes the date on which a month ends for any given date.
MONTH_NUMBER Function: Returns the month number for a given month name
MONTH_START Function: Computes the date on which a month starts for any given date.
NOW Function: Returns the current time. The time can be returned as either local time (default) or GMT.
NTH_DOW Function: Finds the date for the 'n'th day in a month. e.g. the 4th Thursday for November in 2005
ODBC_DT_TO_D Function: Converts a character field containing a Date-Time value in format "YYYY-MM-DD HH:MM:SS.SSS" to a date field.
Predefined Date Formats: The following formats can be used with the DTOC() function.
ProgressTimed Function: Displays a progress bar for the specified number of seconds.
SCANTIME Function: Converts time string to time - uses format to parse the time - optional third parameter is old time to get non-specified values from.
ShortTime_Extract Function: Extracts hours, minutes, or seconds from a Short time value. TimePart is 'h', 'm', or 's'
STOD Function: Convert a date in YYYYMMDD format to {MM/DD/YYYY}
Time and Date Functions: Descriptions and examples of time and date functions.
TIME Function: Returns the current time on the system clock as a string value using the format 'HH:MM:SS', optional format controls other times, passed in time type can be used in place of the current time.
time_gmt_to_local Function: Converts GMT time to local time.
time_to_unixtimestamp Function: Converts a time value to a Unix timestamp value.
TIME_VAR Function: Returns a time variable
timez Function: Same as time(), but returns a null string if time is a null value.
TOSECONDS Function: Converts a time value to seconds.
TOTIME Function: Converts a time value to a formatted time character string.
TZ_OFFSET_TO_C Function: The TZ_OFFSET_TO_C() function calls the GetTimeZoneOffset()function and formats the result as a character string.
unixtimestamp_to_time Function: Converts a Unix timestamp number (seconds since 1970-1-1) to a time value
WEEK Function: Get the calendar week number of a date where Sunday is the first day of the week.
WEEK_ISO Function: Get the ISO calendar week number for a date where Monday is the first day of the week.
WEEK_ISO_FULL Function: Get the full ISO week in the format "YYYY-W##-d" where YYYY is the year, W## is the week number, and d is the day of the week.
WIN_TIME Function: The WIN_TIME() function returns information about the Windows time settings of a computer.
WMI_DATE_TO_TIME Function: Legacy. Converts a CIM Date Time string
wmi_datetime_to_time Function: Converts a CIM Datetime string as used by WMI to an Alpha Anywhere time value in the local timezone
YEAR Function: Returns a four digit integer equal to the year portion of the specified Date or Date_Time value.
YearStart_ISO Function: The YearStart_ISO() function returns the first day of the ISO year.

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