| Keyword | Description | Symbol / Usage |
| _sunrise | Calculate sunrise, sunset, and daylight. Send results in array. | _SunRise( [ [date_args,] lat[deg] [,long[deg] ] ] ) |
| age | Returns difference in seconds between specified and current time | Age( [date_args] ) |
| cdate | Converts arguments to a date/time and returns date part | Cdate( [date_args] ) |
| cdatex | Converts arguments to a date/time and returns date and time | Cdatex( [date_args] ) |
| cdow | Name of the day of the week of specified date | Cdow( [date_args] ) |
| clock | Returns process duration of DICOM since startup in seconds | Clock( ) |
| cmonth | Name of the month of specified date | Cmonth( [date_args] ) |
| cphase | Name of the phase of the moon at the specified date | Cphase( [date_args] ) |
| ctime | Converts arguments to a date/time and returns time part | Ctime( [date_args] ) |
| day | Day of the month of the specified date | Day( [date_args] ) |
| daynum | Returns day of the year (1-365/366) for the specified date | DayNum( [date_args] ) |
| dayserial | Returns day serial of the specified date since 01-01-01 | DaySerial( [date_args] ) |
| dms | Converts plane angle in seconds to degrees, minutes, and seconds | Dms( pl_angle[sc] ) |
| dow | Day of the week of specified date (0-Sunday, 6-Saturday) | Dow( [date_args] ) |
| dowiso | ISO Day of the week of specified date (0-Monday, 6-Sunday) | DowISO( [date_args] ) |
| easter | Returns date of Easter of the specified year | Easter( [year[int]] ) |
| gmt | Returns GMT based on system date and time | Gmt( ) |
| hms | Converts no. of seconds to hours, minutes, and seconds | Hms( seconds[s] ) |
| isdate | Check whether a date is valid or not | IsDate( [date_args] ) |
| isleap | Check whether a year is leapyear or not, returns 1 (true) or 0 | IsLeap( [year[int]] ) |
| month | Month no. (1-12) of the specified date | Month( [date_args] ) |
| moonage | Returns the age of the moon (0-29) at the specified date | MoonAge( [date_args] ) |
| moonphase | Returns the phase of the moon (0-7, 0-new moon, 4-full moon) | MoonPhase( [date_args] ) |
| now | Returns system date and time | Now( ) |
| second | Seconds elapsed since 01-01-01 00:00 local and specified time | Second( [date_args] ) |
| second70 | Number of seconds elapsed since Jan 01, 1970 00:00 hour GMT | Second70( ) |
| sunrise | Compute sunrise, sunset, and daylight and print the results | SunRise( [ [date_args,] lat[deg] [,long[deg] ] ]) |
| sysdate | Returns system date | SysDate( ) |
| systime | Returns system time | SysTime( ) |
| today | Alias of SysDate( ). Returns system date. | Today( ) |
| weeknum | Returns week of the year (1-52) for the specified date | WeekNum( [date_args] ) |
| weeknumiso | Returns ISO week of the year (0-52) for the specified date | WeekNumISO( ) |
| year | Year of the specified date | Year( [date_args] ) |
| ymd | Converts no. of days to years, months, and days | Ymd( days[d] ) |