Furuno FR-1500 MARK-3 Series User Manual page 112

ZDA - Time and date
UTC, day, month, year and local time zone.
$--ZDA. hhmmss.ss, xx, xx, xxxx, xx, xx*hh<CR><LF>
Checksum
Local zone description, minutes *
Local zone description, hours *
Year
Month, 01 to 12
Day, 0 to 31
UTC
Not used *
LOCAL = UTC + Time difference
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