| Abbreviation | Definition |
|---|---|
| DTG | Date-Time Group |
| DTU | Date/ Time Update |
| E | Eastern Time |
| EASST | Easter Island Summer Time |
| EAST | Easter Island Standard Time |
| EAST | Eastern Australian Standard Time |
| EAT | Eastern Africa Time |
| ECT | Ecuador Time |
| ECT | European Central Time |
| EDT | Eastern Daylight Time [UTC - 0400] |
| EEST | Eastern Europe Summer Time |
| EET | Eastern Europe Time |
| EGST | Eastern Greenland Summer Time |
| EGT | East Greenland Time |
| EMT | Early Morning Time |
| EST | Eastern Standard Time [UTC - 0500] |
| EST | European Standard Time |
| ET | Eastern Time [UTC - 0500] |
| ET | Ephemeris Time |
| ET | Tiempo del Este |