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Model 57i IP Phone User Guide
Appendix A - Time Zone Codes
UA-Kiev
US-Eastern
US-Central
US-Mountain
US-Pacific
US-Alaska
US-Aleutian
US-Hawaii
UY-Montevideo
EET
EST
CST
MST
PST
AKS
HAS
HST
UYS
VA-Vatican CET
YU-Belgrade CET
Time Zone Name
Time Zone Code