IRST Time to AST Time Converter
Warning! AST has automatically switched to ADT
IRST stands for Iran Standard Time (in use)
AST stands for Atlantic Standard Time (NOT in use)
ADT stands for Atlantic Daylight Time (in use)
Iran Standard Time(IRST) | Atlantic Daylight Time(ADT) |
00:00 | 17:30-1 day |
01:00 | 18:30-1 day |
02:00 | 19:30-1 day |
03:00 | 20:30-1 day |
04:00 | 21:30-1 day |
05:00 | 22:30-1 day |
06:00 | 23:30-1 day |
07:00 | 00:30 |
08:00 | 01:30 |
09:00 | 02:30 |
10:00 | 03:30 |
11:00 | 04:30 |
12:00 | 05:30 |
13:00 | 06:30 |
14:00 | 07:30 |
15:00 | 08:30 |
16:00 | 09:30 |
17:00 | 10:30 |
18:00 | 11:30 |
19:00 | 12:30 |
20:00 | 13:30 |
21:00 | 14:30 |
22:00 | 15:30 |
23:00 | 16:30 |
IRST(Iran Standard Time)
Iran Standard Time(IRST) is 03:30 hours ahead of Coordinated Universal(UTC) Time.This timezone is used during standard time in: AsiaIran Standard Time is a half-hour time zone. Its local time differs by 30 minutes instead of the normal whole hour.
Typical City of IRST (Iran Standard Time)
Iran - Tehran (Winter)
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)