S Time to ADT Time Converter

Warning! ADT has automatically switched to AST

S stands for Sierra Time Zone (in use)

ADT stands for Atlantic Daylight Time (NOT in use)

AST stands for Atlantic Standard Time (in use)

S = UTC - 06:00

00:19:22

Wednesday, November 20, 2024

AST = UTC - 04:00

02:19:22

Wednesday, November 20, 2024

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

S(Sierra Time Zone)

Sierra Time Zone(S) is 06:00 hours behind Coordinated Universal(UTC) Time.

Typical City of S (Sierra Time Zone)

Costa Rica - San Jose (All Year)

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)