Trimble Outdoors SK8 - Manual (Page 187)

Lassen-SK8 Embedded GPS Module E-7
NMEA 0183
E.4.7 ZDA - Time & Date
The ZDA message contains UTC, the day, the month, the year and the local time zone.
ZDA,hhmmss.s,xx,xx,xxxx,xx,xx
*
Note – Fields #5 and #6 are null fields in the Lassen-SK8 output. A GPS receiver cannot
independently identify the local time zone offsets.
Table E-9. ZDA - Time & Date Message Parameters
Field # Description
1 UTC
2 Day (01 to 31)
3 Month (01 to 12)
4 Year
5 Local Zone Description Hours (±13 hours). Local zone description is the
number of whole hours added to local time to obtain UTC. The zone
description is always negative for eastern longitudes.
6 Local Zone Description Minutes. Local zone description minutes using the
same sign convention as local zone hours.