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Convert BST to IRST Time - Free Time Zone Converter

Convert British Summer Time (BST) to Iran Standard Time (IRST, UTC+3.5) for regional business calls. Free converter with real-time conversion, meeting time planner, and business hours comparison for BST to IRST coordination. Includes 24-hour conversion table and live time displays. Perfect for international scheduling and global team collaboration. Works on all devices with accurate, reliable results.

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BST
British Summer Time
Current Time
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🕐
IRST
Iran Standard Time
Current Time
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Converted Time
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Time Difference
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Your Local Time
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UTC Time
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BST to IRST Time Zone Difference

Iran Standard Time is 2 hours and 30 minutes ahead of British Summer Time

Always up-to-date and accurate

24-Hour BST to IRST Conversion Chart

Complete hourly conversion for British Summer Time to Iran Standard Time

12:00 AM
BST
2:30 AM
IRST
00:00 02:30
1:00 AM
BST
3:30 AM
IRST
01:00 03:30
2:00 AM
BST
4:30 AM
IRST
02:00 04:30
3:00 AM
BST
5:30 AM
IRST
03:00 05:30
4:00 AM
BST
6:30 AM
IRST
04:00 06:30
5:00 AM
BST
7:30 AM
IRST
05:00 07:30
6:00 AM
BST
8:30 AM
IRST
06:00 08:30
7:00 AM
BST
9:30 AM
IRST
07:00 09:30
8:00 AM
BST
10:30 AM
IRST
08:00 10:30
9:00 AM
BST
11:30 AM
IRST
09:00 11:30
10:00 AM
BST
12:30 PM
IRST
10:00 12:30
11:00 AM
BST
1:30 PM
IRST
11:00 13:30
12:00 PM
BST
2:30 PM
IRST
12:00 14:30
1:00 PM
BST
3:30 PM
IRST
13:00 15:30
2:00 PM
BST
4:30 PM
IRST
14:00 16:30
3:00 PM
BST
5:30 PM
IRST
15:00 17:30
4:00 PM
BST
6:30 PM
IRST
16:00 18:30
5:00 PM
BST
7:30 PM
IRST
17:00 19:30
6:00 PM
BST
8:30 PM
IRST
18:00 20:30
7:00 PM
BST
9:30 PM
IRST
19:00 21:30
8:00 PM
BST
10:30 PM
IRST
20:00 22:30
9:00 PM
BST
11:30 PM
IRST
21:00 23:30
10:00 PM
BST
12:30 AM
IRST
(next day)
22:00 00:30
11:00 PM
BST
1:30 AM
IRST
(next day)
23:00 01:30

Best Meeting Times between British Summer Time and Iran Standard Time

Optimal hours for calls between BST and IRST

Business hours overlap available
9:00 AM BST → 11:30 AM IRST
Business Hours
10:00 AM BST → 12:30 PM IRST
Business Hours
11:00 AM BST → 1:30 PM IRST
Business Hours

Based on standard business hours (9:00 AM - 6:00 PM) in each time zone

Time Zone Details

Technical information for both time zones

BST

British Summer Time

Source timezone

UTC Offset 1.0 hours
Abbreviation BST
Type Standard Time
Status Active
IRST

Iran Standard Time

Target timezone

UTC Offset 3.5 hours
Abbreviation IRST
Type Standard Time
Status Active

Most Searched BST to IRST Times

Popular business hours conversion from British Summer Time to Iran Standard Time

7:00 AM
9:30 AM
Early business hours
Popular
8:00 AM
10:30 AM
Prime meeting time
9:00 AM
11:30 AM
Mid-morning calls
11:00 AM
1:30 PM
Lunch meetings
12:00 PM
2:30 PM
Afternoon coordination
1:00 PM
3:30 PM
Late afternoon calls

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