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Inside Macintosh: Operating System Utilities /

Chapter 4 - Date, Time, and Measurement Utilities / Date, Time, and Measurement Utilities Reference

Routines / Converting Between Date-Time Formats

SecondsToDate

You can use the SecondsToDate procedure to convert a number of seconds elapsed since midnight, January 1, 1904 to a date and time.

PROCEDURE SecondsToDate (s: LongInt; VAR d: DateTimeRec);

s

The number of seconds elapsed since midnight, January 1, 1904.

d

On return, the fields of the date-time record that contain the date and time corresponding to the value indicated in the s parameter.

DESCRIPTION

The SecondsToDate procedure converts the number of seconds, specified in the s parameter, to a date and time. The date and time values are returned in the d parameter.

The SecondsToDate procedure is also available as the Secs2Date procedure.

ASSEMBLY-LANGUAGE INFORMATION

The registers on entry and exit for this routine are

Registers on entry
D0	Seconds since midnight, January 1, 1904
A0	Pointer to a date-time record

Registers on exit
A0	Pointer to a date-time record

SEE ALSO

For a complete description of the date-time record, see page 4-23.