# CST

CEFR B2 · Noun

Source: https://englishreference.com/word/cst
Updated: 2026-05-09

## Definition

Stands for Central Standard Time. A time zone used in parts of North America and Central America that is six hours behind the time in London.

For teachers: Abbreviation for Central Standard Time. A time zone observed in central parts of North America, including parts of the United States, Canada, and Mexico, defined as UTC-6.

## Examples

- The meeting starts at 10:00 AM CST.
- Please remember to adjust your calendar invites because the webinar is scheduled for 3:00 PM CST, not your local time.

## Usage notes

- Typically used as a post-modifier after a specific time or in formal scheduling contexts.

---

From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.