World Timezones

TRT to IRST Converter

Compare IRST to TRT instead
Turkey Time7:36 amFri, Jun 5
Turkey TimeTRT
Middle East · UTC+3
7:36 amFri, Jun 5
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p
Iran Standard TimeIRST
Middle East · UTC+3:30
8:06 amFri, Jun 5
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p

Offset

The time difference between Turkey Time and Iran Standard Time is 0.5 hours.

0.5 hours

Turkey Time (TRT) is behind Iran Standard Time (IRST).

TRT: UTC+3

IRST: UTC+3:30

Neither Turkey Time nor Iran Standard Time is currently observing daylight saving time.

When to schedule

Business-hours overlap: 9 AM–5 PM in Turkey Time (9 AM–5 PM in Iran Standard Time).

Both teams are in working hours during this window on weekdays.

Suggested time: 1:00 PM Turkey Time (1:30 PM Iran Standard Time).

Public holidays in 2026

National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.

Turkey

  • New Year's DayThu, Jan 1
  • National Independence & Children's DayThu, Apr 23
  • Labour DayFri, May 1
  • Atatürk Commemoration & Youth DayTue, May 19
  • Democracy and National Unity DayWed, Jul 15
  • Victory DaySun, Aug 30
  • Republic DayThu, Oct 29

About these zones

Turkey Time is also known as TRT. To call Turkey, dial +90.

Iran Standard Time is also known as IRST. To call Iran, dial +98.

Iran Standard Time is approximately 1,250 miles east of Turkey Time.

Quick reference

Full 24-hour conversion table — tap any time to open it in the converter.

TRTIRSTDay
12:00 am12:30 amSame day
1:00 am1:30 amSame day
2:00 am2:30 amSame day
3:00 am3:30 amSame day
4:00 am4:30 amSame day
5:00 am5:30 amSame day
6:00 am6:30 amSame day
7:00 am7:30 amSame day
8:00 am8:30 amSame day
9:00 am9:30 amSame day
10:00 am10:30 amSame day
11:00 am11:30 amSame day
12:00 pm12:30 pmSame day
1:00 pm1:30 pmSame day
2:00 pm2:30 pmSame day
3:00 pm3:30 pmSame day
4:00 pm4:30 pmSame day
5:00 pm5:30 pmSame day
6:00 pm6:30 pmSame day
7:00 pm7:30 pmSame day
8:00 pm8:30 pmSame day
9:00 pm9:30 pmSame day
10:00 pm10:30 pmSame day
11:00 pm11:30 pmSame day

Daylight saving time

Neither Turkey Time nor Iran Standard Time observes daylight saving time. The offset between these zones remains constant year-round.

See the daylight saving time page for transition dates across every time zone.

Daylight today

Turkey Time
Sunrise
5:34 AM
Sunset
8:33 PM
Day length
14h 59m
Iran Standard Time
Sunrise
4:50 AM
Sunset
7:18 PM
Day length
14h 28m

Daylight overlap: 13h 14m — 5:34 AM–6:48 PM in Turkey Time (6:04 AM–7:18 PM in Iran Standard Time). Both locations are in daylight during this window.

Cities in these zones

Cities in Iran Standard Time

Browse all cities to see the current local time anywhere.

Airports in these zones

Airports in Turkey Time

  • IST
  • SAW
  • ESB
  • YEI
  • ADB
  • GZT
  • DIY
  • ADA
  • COV
  • ASR

Airports in Iran Standard Time

  • IKA
  • THR
  • MHD
  • IFN
  • PYK
  • TBZ

Related conversions

Common conversions

What is 9:00 am TRT in IRST?
9:00 am TRT is 9:30 am IRST.
What is 12:00 pm TRT in IRST?
12:00 pm TRT is 12:30 pm IRST.
What is 12:30 pm TRT in IRST?
12:30 pm TRT is 1:00 pm IRST.
What is 2:00 pm TRT in IRST?
2:00 pm TRT is 2:30 pm IRST.
What is 5:00 pm TRT in IRST?
5:00 pm TRT is 5:30 pm IRST.
What is 11:30 pm TRT in IRST?
11:30 pm TRT is 12:00 am IRST, the next day.