Initialize timestamp to "zeroed" value. "Zeroed" is between quotes because it's actually 631152000. In [EPICS epoch](https://epics.anl.gov/base/R7-0/6-docs/doxygen/epics_time_8h.html#acc877d41325e3d47df6343be4f50aa6d), 631152000 is zero.
Initialize timestamp to "zeroed" value. "Zeroed" is between quotes because it's actually 631152000. In [EPICS epoch](https://epics.anl.gov/base/R7-0/6-docs/doxygen/epics_time_8h.html#acc877d41325e3d47df6343be4f50aa6d), 631152000 is zero.