Topic: DMD0034
DT2EPOCH - Convert Date / Time to 1970 Epoch |
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The Convert Date / Time to 1970 Epoch (DT2EPOCH) instruction calculates the number of seconds between the contents of the specified Date / Time structure and January 1, 1970. This value will fit in a DWord location and can be converted back to a Date / Time structure with the EPOCH2DT - Convert 1970 Epoch Time to Date / Time instruction.
Note: use the Copy Memory Range (MEMCOPY) instruction to copy from one Data / Time structure to another.
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Parameters:Note: Use the F9 key to open the Default Element Selection Tool (the Element Picker or the Element Browser) or use the Down-Arrow key (Auto-Complete) on any parameter field to see a complete list of the memory locations that are valid for that parameter of the instruction.
Date / Time - specifies which Date / Time structure contains the date and time to convert. This can be any of the system-defined Date / Time structures, or any user-defined Date / Time structure.
1970 Epoch - specifies the numeric memory location to store the calculated value. This can be any writable numeric DWord location.
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Status Display:
The status display shows the fully-qualified Date / Time value and the 1970 Epoch value.
There is also a Data View display format called 1970 Epoch that will display the 1970 Epoch value as a fully qualified Date / Time. This format is for display purposes only, the value cannot be edited when displayed using this format.
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See Also:DT2EPOCH - Convert Date / Time to 1970 Epoch
EPOCH2DT - Convert 1970 Epoch Time to Date / Time
DTDIFF - Difference between two Date / Times
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Related Topics:
Predefined Date / Time Structures
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Rung Example:
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