dateTimeZone
Overview
Current system time of RICOH THETA. Setting another options will result in an error.
The current setting can be acquired by camera.getOptions, and it can be changed by camera.setOptions.
Time format
YYYY:MM:DD hh:mm:ss+(-)hh:mm
hh is in 24-hour time, +(-)hh:mm is the time zone.
e.g. 2014:05:18 01:04:29+08:00