AST Time to CLT Time Converter

Warning! AST has automatically switched to ADT
CLT has automatically switched to CLST

AST stands for Atlantic Standard Time (NOT in use)

ADT stands for Atlantic Daylight Time (in use)

CLT stands for Chile Standard Time (NOT in use)

CLST stands for Chile Summer Time (in use)

ADT = UTC - 03:00

04:58:22

Friday, October 3, 2025

CLST = UTC - 03:00

04:58:22

Friday, October 3, 2025

ADT(Atlantic Daylight Time) and CLST(Chile Summer Time) Mapping Table
Atlantic Daylight Time(ADT)	Chile Summer Time(CLST)
00:00	00:00
01:00	01:00
02:00	02:00
03:00	03:00
04:00	04:00
05:00	05:00
06:00	06:00
07:00	07:00
08:00	08:00
09:00	09:00
10:00	10:00
11:00	11:00
12:00	12:00
13:00	13:00
14:00	14:00
15:00	15:00
16:00	16:00
17:00	17:00
18:00	18:00
19:00	19:00
20:00	20:00
21:00	21:00
22:00	22:00
23:00	23:00

ADT(Atlantic Daylight Time)

Atlantic Daylight Time(ADT) is 03:00 hours behind Coordinated Universal(UTC) Time.This timezone is a Daylight Saving Time timezone and is used in: North America

Typical City of ADT (Atlantic Daylight Time)

Canada - Halifax (Summer)
Bermuda - Hamilton (Summer)

CLST(Chile Summer Time)

Chile Summer Time(CLST) is 03:00 hours behind Coordinated Universal(UTC) Time.

Typical City of CLST (Chile Summer Time)

Chile - Santiago (Summer)