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ntptime

Issues

ntp_gettime() returns code 5 (ERROR)

sudo ntptime

Reason: https://www.systutorials.com/docs/linux/man/2-adjtimex/ 

TIME_ERROR
  The system clock is not synchronized to a reliable server. This value is returned when any of the following holds true:
      *   Either STA_UNSYNC or STA_CLOCKERR is set. 
      *   STA_PPSSIGNAL is clear and either STA_PPSFREQ or STA_PPSTIME is set. 
      *   STA_PPSTIME and STA_PPSJITTER are both set. 
      *   STA_PPSFREQ is set and either STA_PPSWANDER or STA_PPSJITTER is set. 
  The symbolic name TIME_BAD is a synonym for TIME_ERROR, provided for backward compatibility.