How to get system time from cRIO?

Hello,
I have an NI cRIO-9076 chassis with an NI-9467 GPS module and an NI-9234 module.
I've downloaded the FPGA Timekeeper application which synchronises the FPGA clock to the 1PPS GPS, this works well. What I want to do is create a trigger that at a pre-defined HH:MMS the system will start to acquire and log data from the Accelerometers connected to the NI-9234 module.
I have added the controls for the entry of the HH:MMS and calculated the time in seconds. I would like to compare the system clock once it is locked to the entered timestamp and then trigger.
As I only have a value that represents seconds in the day I need to calculate the offset from EPOCH to compare against the GPS time reference. I have read that the NI system clock runs from 01/01/1904 instead of the EPOCH 01/01/1970.
The question is how do I get the current system time so that I can compare it against the entered time? I only need seconds in the day = (HH * 3600) + (MM * 60) + (SS)
Thank you,
Kind Regards,
Simon

You should use the Get Date/Time in Seconds VI which will return a timestamp. You can then format this timestamp using the Format Date/Time String to give you exactly the time format that you need. Then you can extract the numbers you need and do your math.
www.movimed.com - Custom Imaging Solutions
Attachments:
Get Seconds in Day.vi ‏9 KB

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http://www.sqltools-plusplus.org:7676/
http://sourceforge.net/projects/sqlt-pp/

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