Current Date and Time (Tools/APIs)
Background Information
Each language provides system variables or functions that provide the current system time. See ObjectScript Reference and InterSystems SQL Reference.
In many InterSystems IRIS® applications, dates and times are stored and transmitted in a format called $H format or $HOROLOG format. For an introduction, see Date and Time Values.
Available Tools
In addition, InterSystems provides the following tools:
Includes the following class methods that return current date/time values:
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Horolog()
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TimeStamp()
Availability: All namespaces.
Includes the following class methods that return current date/time values:
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Date()
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DateTime()
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Time()
Availability: All namespaces.
Includes the following class methods that return current date/time values:
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NowLocal()
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NowUTC()
Availability: All namespaces.
Reminder
The special variable $SYSTEM is bound to the %SYSTEM package. This means that instead of ##class(%SYSTEM.class).method(), you can use $SYSTEM.class.method().
