Help : Query : Parameter : TZ

The time zone used to interpret dates, times, days of week and hours. It is also the time zone used when returning date and time information in results. 

Currently recognized time zones are:

ID Name Offset from GMT
server Time zone of the Traffic Server.  
ACT Australia Central Time 9.5
AET Australia Eastern Time 10
AGT Argentina Standard Time -3
ART (Arabic) Egypt Standard Time 2
AST Alaska Standard Time -9
BET Brazil Eastern Time -3
BST Bangladesh Standard Time 6
CAT Central African Time -1
CNT Canada Newfoundland Time -3.5
CST Central Standard Time -6
CTT China Standard Time 8
EAT Eastern African Time 3
ECT European Central Time 1
EET Eastern European Time 1
EST Eastern Standard Time -5
GMT Greenwich Mean Time 0
HST Hawaii Standard Time -10
IET Indiana Eastern Standard Time -5
IST India Standard Time 5.5
JST Japan Standard Time 9
MET Middle East Time 3.5
MIT Midway Islands Time -11
MST Mountain Standard Time -7
NET Near East Time 4
NST New Zealand Standard Time 12
PLT Pakistan Lahore Time 5
PNT Phoenix Standard Time -7
PRT   -4
PST Pacific Standard Time -8
SST Solomon Standard Time 11
VST Vietnam Standard Time 7

Note: If the time zone is unspecified, it defaults to server.