| Indiana Tekapo | New Zealand Time | -18:00 |
| Indiana El Tablero | Western European Time | -05:00 |
| Indiana Tehachapi | Pacific Time | 03:00 |
| Indiana Elbigenalp | Central European Time | -06:00 |
| Indiana Tecuala | Mexican Pacific Time | 02:00 |
| Indiana Elda | Central European Time | -06:00 |
| Indiana Tecumseh | Eastern Time | 00:00 |
| Indiana Elen | Central European Time | -06:00 |
| Indiana Tecoma | Eastern Australia Time | -16:00 |
| Indiana Zephyr | Eastern Time | 00:00 |
| Indiana Zephyrhills | Eastern Time | 00:00 |
| Indiana Zermatt | Central European Time | -06:00 |
| Indiana Zero Branco | Central European Time | -06:00 |
| Indiana Zeven | Central European Time | -06:00 |
| Indiana Whitefish | Mountain Time | 02:00 |
| Indiana Whitby | United Kingdom Time | -05:00 |
| Indiana Whitby | Eastern Time | 00:00 |
| Indiana Whitchurch | United Kingdom Time | -05:00 |
| Indiana White City | Pacific Time | 03:00 |
| Indiana White Hall | Central Time | 01:00 |
| Indiana White Lake charter Township | Eastern Time | 00:00 |
| Indiana Zanzibar Town | East Africa Time | -08:00 |
| Indiana Whiteman Air Force Base | Central Time | 01:00 |
| Indiana Whitesboro | Eastern Time | 00:00 |
| Indiana Whiteville | Eastern Time | 00:00 |
| Indiana Whitewater | Central Time | 01:00 |
| Indiana Zandhoven | Central European Time | -06:00 |
| Indiana Wetzikon | Central European Time | -06:00 |
| Indiana Wexford | Ireland Time | -05:00 |
| Indiana Westville | South Africa Standard Time | -07:00 |
| Indiana Wetaskiwin | Mountain Time | 02:00 |
| Indiana Wetherill Park | Eastern Australia Time | -16:00 |
| Indiana Weston Subedge | United Kingdom Time | -05:00 |
| Indiana Whalley | United Kingdom Time | -05:00 |
| Indiana Whanganui | New Zealand Time | -18:00 |
| Indiana Wexford | Eastern Time | 00:00 |
| Indiana Wheatley | Central Time | 01:00 |
| Indiana Wheaton-Glenmont | Eastern Time | 00:00 |