Use the $RAW_ALARM_TIME variable in the out of the box SetScript, ClearScript and UpdateScript files which takes the Unix Time stamp (seconds since Jan 1, 1970 ).
To use the $RAW_ALARM_TIME variable:
1. Edit the script
2. Look for the following:
# If you wish to see the UNIX alarm time printed out you need to set
# USE_NEW_INTERFACE to true in the configuration file and uncomment
# the following line.
#echo "Raw Alarm Time: " $RAW_ALARM_TIME
3. Remove the "#" character in the above highlighted line.
4. Save the file