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Conference dssdev::tdms

Title:TDMS comments/questions
Notice:See note 443.5 for V1.9A netkits
Moderator:DSSDEV::SYSTEM
Created:Tue Mar 04 1986
Last Modified:Wed May 14 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:596
Total number of notes:1599

596.0. "Internal Time format of TDMS?" by UTRTSC::DORLAND (The Wizard of Odz2) Mon May 05 1997 07:53

    
    	Hello,
    
    	is there any documentation about the internal date/time format
    	used in TDMS? A customer wants tomake his own date/time
    	layout due to the Y2000 problem, but wants to know how
    	TDMS uses this internally (e.g. normal VMS 64 bit format)
    
    	Regards, Ton
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596.1CSC32::C_BENNETTWed May 14 1997 19:4213
    The CDD record (expressed thru the CDDL language) allows the
    record to have DATE, TIME or ADT types.    The DATE and ADT
    types are used in conjunction with TDMS picture strings expressed
    in the CDD$FORM.
    
    The problems with Y2000 in the TDMS context depends on the TDMS
    picture string used for the form field.  If 2 digit formats are
    used for a form field then during data conversion stages will\plug the 
    current century - there lays the problem.
    
    Bottom line - use 4 digit year formats.  OpenVMS 7.1 data conversion
    routines may change this...