User manual
 Setting the System Date and Time
Page 9-11
 Timezone and DST Parameters Con’t
Abbr. Name Hours 
from 
UTC
DST Start DST End DST 
Change
GMT Greenwich 
Mean Time
+0:00 No default No default No default
WAT West Africa  -1:00 No default No default No default
ZM2 No standard 
name
-2:00 No default No default No default
ZM3 No standard 
name
-3:00 No default No default No default
NST Newfound-
land 
-3:30 1st Sunday in 
April at 2:00 a.m.
Last Sunday in 
Oct. at 2:00 a.m.
1:00
AST Atlantic Stan-
dard Time
-4:00 1st Sunday in 
April at 2:00 a.m.
Last Sunday in 
Oct. at 2:00 a.m.
1:00
EST Eastern Stan-
dard Time
-5:00 1st Sunday in 
April at 2:00 a.m.
Last Sunday in 
Oct. at 2:00 a.m.
1:00
CST Central Stan-
dard Time
-6:00 1st Sunday in 
April at 2:00 a.m.
Last Sunday in 
Oct. at 2:00 a.m.
1:00
MST Mountain 
Standard 
Time
-7:00 1st Sunday in 
April at 2:00 a.m.
Last Sunday in 
Oct. at 2:00 a.m.
1:00
PST Pacific Stan-
dard Time
-8:00 1st Sunday in 
April at 2:00 a.m.
Last Sunday in 
Oct. at 2:00 a.m.
1:00
AKST Alaska -9:00 1st Sunday in 
April at 2:00 a.m.
Last Sunday in 
Oct. at 2:00 a.m.
1:00
HST Hawaii  -10:00 No default No default No default
ZM11 No standard 
name
-11:00 No default No default No default










