UTCTime package:sbp

SBP class for message MSG_UTC_TIME (0x0103). This message reports the Universal Coordinated Time (UTC). Note the flags which indicate the source of the UTC offset value and source of the time fix. The values in this message are from GNSS measurements fused with inertial measurements. To get values from GNSS measurements only use MSG_UTC_TIME_GNSS.
SBP class for message MSG_UTC_TIME_GNSS (0x0105). This message reports the Universal Coordinated Time (UTC). Note the flags which indicate the source of the UTC offset value and source of the time fix. The values in this message are from GNSS measurements only. To get values fused with inertial measurements use MSG_UTC_TIME.
days in the month (range 1-31)
Indicates source and time validity
hours of day (range 0-23)
minutes of hour (range 0-59)
Month (range 1 .. 12)
nanoseconds of second (range 0-999999999)
seconds of minute (range 0-60) rounded down
GPS time of week rounded to the nearest millisecond