IfcLocalTime

Definition from ISO/CD 10303-41:1992: A moment of occurrence measured by hour, minute, and second. It represents one instant of time on a 24 hour clock.

> NOTE Local time is indicated as clock time rather than solar time since, locally, clock time may be displaced from solar time by a daylight saving value.

> NOTE Corresponding STEP name: local_time, please refer to ISO/IS 10303-41:1994 for the final definition of the formal standard.

> HISTORY New entity in IFC Release 1.5.1.

EXPRESS specification:

ENTITY IfcLocalTime;
HourComponent | : | IfcHourInDay;
MinuteComponent | : | OPTIONAL IfcMinuteInHour;
SecondComponent | : | OPTIONAL IfcSecondInMinute;
Zone | : | OPTIONAL IfcCoordinatedUniversalTimeOffset;
DaylightSavingOffset | : | OPTIONAL IfcDaylightSavingHour;
WHERE
WR21 | : | IfcValidTime (SELF);
END_ENTITY;

Attribute definitions:

HourComponent | : | The number of hours of the local time.
MinuteComponent | : | The number of minutes of the local time.
SecondComponent | : | The number of seconds of the local time.
Zone | : | The relationship of the local time to coordinated universal time.
DaylightSavingOffset | : | The offset of daylight saving time from basis time.

Formal Propositions:

WR21 | : | The seconds shall only exist if the minutes exists.

Inheritance graph

ENTITY IfcLocalTime;
ENTITY IfcLocalTime;
HourComponent | : | IfcHourInDay;
MinuteComponent | : | OPTIONAL IfcMinuteInHour;
SecondComponent | : | OPTIONAL IfcSecondInMinute;
Zone | : | OPTIONAL IfcCoordinatedUniversalTimeOffset;
DaylightSavingOffset | : | OPTIONAL IfcDaylightSavingHour;
END_ENTITY;