One thing which came handy for me was list of timezones I can use on Cisco devices. That came very useful during NTP deployment. So, here is is… timezones available for use on Cisco platform.
| Code | Time Zone |
| GMT | Greenwich Mean |
| UT | Universal (Coordinated) |
| WET | Western European |
| BST | British Summer |
| WAT | West Africa |
| AT | Azores |
| AST | Atlantic Standard |
| ADT | Atlantic Daylight |
| EST | Eastern Standard |
| EDT | Eastern Daylight |
| CST | Central Standard |
| CDT | Central Daylight |
| MST | Mountain Standard |
| MDT | Mountain Daylight |
| PST | Pacific Standard |
| PDT | Pacific Daylight |
| YST | Yukon Standard |
| TDT | Yukon Daylight |
| HST | Hawaii Standard |
| HDT | Hawaii Daylight |
| CAT | Central Alaska |
| AHST | Alaska-Hawaii Standard |
| NT | Nome |
| IDLW | International Date Line West |
| CET | Central European |
| MET | Middle European |
| MEWT | Middle European Winter |
| MEST | Middle European Summer |
| MESZ | Middle European Summer |
| SWT | Swedish Winter |
| SST | Swedish Summer |
| FWT | French winter |
| FST | French Summer |
| EET | Eastern Europe, USSR Zone 1 |
| BT | Baghdad, USSR Zone 2 |
| ZP4 | USSR Zone 3 |
| ZP5 | USSR Zone 4 |
| ZP6 | USSR Zone 5 |
| WAST | West Australian Standard |
| WADT | West Australian Daylight |
| CCT | China Coast, USSR Zone 7 |
| JST | Japan Standard, USSR Zone 8 |
| EAST | Eastern Australian Standard |
| EADT | Eastern Australian Daylight |
| GST | Guam Standard, USSR Zone 9 |
| NZT | New Zealand |
| NZST | New Zealand Standard |
| NZDT | New Zealand Daylight |
| IDLE | International Date Line East |