U Time to ADT Time Converter

Warning! ADT has automatically switched to AST

U stands for Uniform Time Zone (in use)

ADT stands for Atlantic Daylight Time (NOT in use)

AST stands for Atlantic Standard Time (in use)

U = UTC - 08:00

19:40:51

Tuesday, December 17, 2024

AST = UTC - 04:00

23:40:51

Tuesday, December 17, 2024

U(Uniform Time Zone) and AST(Atlantic Standard Time) Mapping Table
Uniform Time Zone(U)	Atlantic Standard Time(AST)
00:00	04:00
01:00	05:00
02:00	06:00
03:00	07:00
04:00	08:00
05:00	09:00
06:00	10:00
07:00	11:00
08:00	12:00
09:00	13:00
10:00	14:00
11:00	15:00
12:00	16:00
13:00	17:00
14:00	18:00
15:00	19:00
16:00	20:00
17:00	21:00
18:00	22:00
19:00	23:00
20:00	00:00+1 day
21:00	01:00+1 day
22:00	02:00+1 day
23:00	03:00+1 day

U(Uniform Time Zone)

Uniform Time Zone(U) is 08:00 hours behind Coordinated Universal(UTC) Time.

AST(Atlantic Standard Time)

Atlantic Standard Time(AST) is 04:00 hours behind Coordinated Universal(UTC) Time.This timezone is used during standard time in: North America

Typical City of AST (Atlantic Standard Time)

Canada - Halifax (Winter)
Canada - Blanc-Sablon (All Year)
Bermuda - Hamilton (Winter)
Dominican Republic - Santo Domingo (All Year)
Sint Maarten - Philipsburg (All Year)