Confused between EST, EDT, PST, IST, and CEST? This guide explains the meaning of each timezone, their official names, and whether they observe Daylight Saving Time (DST).
| Abbreviation | Full Form | Official Timezone Name | UTC Offset | Currently in DST? |
|---|---|---|---|---|
| EST | Eastern Standard Time | America/New_York | UTC -5:00 | |
| EDT 🌞 | Eastern Daylight Time (Summer) | America/New_York | UTC -4:00 | |
| PST | Pacific Standard Time | America/Los_Angeles | UTC -8:00 | |
| PDT 🌞 | Pacific Daylight Time (Summer) | America/Los_Angeles | UTC -7:00 | |
| IST | India Standard Time | Asia/Kolkata | UTC +5:30 | No DST ❌ |
| GMT | Greenwich Mean Time | Europe/London | UTC +0:00 | |
| CET | Central European Time | Europe/Berlin | UTC +1:00 | |
| CEST 🌞 | Central European Summer Time | Europe/Berlin | UTC +2:00 | |
| UTC | Coordinated Universal Time | Universal (Global) | UTC ±0:00 | No DST ❌ |
Daylight Saving Time is the practice of setting clocks forward by 1 hour in summer to enjoy longer daylight in the evening.