Time Zone Converter | Convert IRST to ADT

IRST → ADT conversion table

What time it is in ADT for each hour in IRST today. +1 = next calendar day

IRST to ADT — 24-hour conversion
IRST	ADT
00:00	17:30 (2026-09-25)
01:00	18:30 (2026-09-25)
02:00	19:30 (2026-09-25)
03:00	20:30 (2026-09-25)
04:00	21:30 (2026-09-25)
05:00	22:30 (2026-09-25)
06:00	23:30 (2026-09-25)
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

Morning

12:00 AM IRST 5:30 PM ADT +1

1:00 AM IRST 6:30 PM ADT +1

2:00 AM IRST 7:30 PM ADT +1

3:00 AM IRST 8:30 PM ADT +1

4:00 AM IRST 9:30 PM ADT +1

5:00 AM IRST 10:30 PM ADT +1

6:00 AM IRST 11:30 PM ADT +1

7:00 AM IRST 12:30 AM ADT

8:00 AM IRST 1:30 AM ADT

9:00 AM IRST 2:30 AM ADT

10:00 AM IRST 3:30 AM ADT

11:00 AM IRST 4:30 AM ADT

Afternoon

12:00 PM IRST 5:30 AM ADT

1:00 PM IRST 6:30 AM ADT

2:00 PM IRST 7:30 AM ADT

3:00 PM IRST 8:30 AM ADT

4:00 PM IRST 9:30 AM ADT

5:00 PM IRST 10:30 AM ADT

Evening

6:00 PM IRST 11:30 AM ADT

7:00 PM IRST 12:30 PM ADT

8:00 PM IRST 1:30 PM ADT

9:00 PM IRST 2:30 PM ADT

10:00 PM IRST 3:30 PM ADT

11:00 PM IRST 4:30 PM ADT

Frequently asked questions

Use the hour-by-hour table below to see how each clock hour in Iran Standard Time (IRST) maps to Atlantic Time (AT). Offsets can change with daylight saving.

Enter a time in the converter above, or look up the matching row in the 24-hour conversion table. Both times use today's date in their respective zones.

Yes. When either zone observes DST, the offset between them can shift by an hour. The table reflects the offset for today.

IRST to ADT Converter
Convert time between Iran Standard Time (IRST) and Atlantic Time (AT).

Time Zone Comparison Chart

IRST → ADT conversion table

Frequently asked questions

Convert IRST to other time zones

Convert ADT to other time zones

IRST to ADT Converter Convert time between Iran Standard Time (IRST) and Atlantic Time (AT).

Time Zone Comparison Chart

IRST → ADT conversion table

Frequently asked questions

What is the time difference between IRST and ADT?

How do I convert IRST to ADT?

Do daylight saving changes affect this conversion?

Convert IRST to other time zones

Convert ADT to other time zones

IRST to ADT Converter
Convert time between Iran Standard Time (IRST) and Atlantic Time (AT).