BRT to IST Time Converter
Convert time between Brasilia Summer Time and Irish Standard Time.
Notice
- BRST (Brasilia Summer Time) is not currently in use. We automatically switched to BRT (Brasilia Time).
Meeting Planner between BRT and IST
Best Time to Call between BRT and IST
BRT:
Your local timezone (UTC) differs from BRT/IST. Defaulting to BRT.
Mon, Jan 12, 2026
BRT: Mon, Jan 12 10:00–11:00
IST: Mon, Jan 12 13:00–14:00
BRT: Mon, Jan 12 10:30–11:30
IST: Mon, Jan 12 13:30–14:30
BRT: Mon, Jan 12 11:00–12:00
IST: Mon, Jan 12 14:00–15:00
Tue, Jan 13, 2026
BRT: Tue, Jan 13 10:00–11:00
IST: Tue, Jan 13 13:00–14:00
BRT: Tue, Jan 13 10:30–11:30
IST: Tue, Jan 13 13:30–14:30
BRT: Tue, Jan 13 11:00–12:00
IST: Tue, Jan 13 14:00–15:00
Wed, Jan 14, 2026
BRT: Wed, Jan 14 10:00–11:00
IST: Wed, Jan 14 13:00–14:00
BRT: Wed, Jan 14 10:30–11:30
IST: Wed, Jan 14 13:30–14:30
BRT: Wed, Jan 14 11:00–12:00
IST: Wed, Jan 14 14:00–15:00
BRT and IST Hours Mapping Table
Work hours Sleep hours
00:00
03:00
01:00
04:00
02:00
05:00
03:00
06:00
04:00
07:00
05:00
08:00
06:00
09:00
07:00
10:00
08:00
11:00
09:00
12:00
10:00
13:00
11:00
14:00
12:00
15:00
13:00
16:00
14:00
17:00
15:00
18:00
16:00
19:00
17:00
20:00
18:00
21:00
19:00
22:00
20:00
23:00
21:00
00:00+1 day
22:00
01:00+1 day
23:00
02:00+1 day