TJT to IRST Converter
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Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
5:00 pm17:00 TJT (UTC+5), Oct 17, 2026 = 3:30 pm15:30 IRST (UTC+3:30), Oct 17, 2026
TJT is 1 hour and 30 minutes ahead of IRST.
TJT and IRST examples
These examples always use TJT (UTC+5) and IRST (UTC+3:30). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
TJT is 1 hour and 30 minutes ahead of IRST.
How the time difference changes
TJT is 1 hour and 30 minutes ahead of IRST year-round.
Working hours of 9:00 am to 6:00 pm in TJT correspond to 7:30 am to 4:30 pm in IRST.Working hours of 09:00 to 18:00 in TJT correspond to 07:30 to 16:30 in IRST.
Compare TJT time with IRST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Tajikistan Time is 1 hour and 30 minutes ahead of Iran Standard Time.
5:00 pm17:00 in TJT is 3:30 pm15:30 in IRST
TJT to IRST call time
Best time for a conference call or a meeting is between 10:30am-6pm10:30-18:00 in TJT which corresponds to 9am-4:30pm09:00-16:30 in IRST
5:00 pm17:00 Tajikistan Time (TJT). Offset UTC +5:00 hours
3:30 pm15:30 Iran Standard Time (IRST). Offset UTC +3:30 hours
5:00 pm17:00 TJT / 3:30 pm15:30 IRST
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
| TJT | IRST |
|---|---|
| 10:30pm previous day | |
| 11:30pm previous day | |
| 12:30am | |
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| 3:30am | |
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| 5:30am | |
| 6:30am | |
| 7:30am | |
| 8:30am | |
| 9:30am | |
| 10:30am | |
| 11:30am | |
| 12:30pm | |
| 1:30pm | |
| 2:30pm | |
| 3:30pm | |
| 4:30pm | |
| 5:30pm | |
| 6:30pm | |
| 7:30pm | |
| 8:30pm | |
| 9:30pm | |
| 22:30 previous day | |
| 23:30 previous day | |
| 00:30 | |
| 01:30 | |
| 02:30 | |
| 03:30 | |
| 04:30 | |
| 05:30 | |
| 06:30 | |
| 07:30 | |
| 08:30 | |
| 09:30 | |
| 10:30 | |
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| 15:30 | |
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| 20:30 | |
| 21:30 |
Tajikistan Time
Offset: TJT is 5 hours ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Tajikistan
Principal Cities: The largest city in the TJT time zone is Dushanbe in Tajikistan, with about 679,400 people. Other major cities in this time zone include Isfara, Istaravshan, Kŭlob, Konibodom.
Daylight Saving: Clocks in Tajikistan Time (TJT) do not change for daylight saving time, so TJT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
TJT representations, usage and related time zones
- +05 - basic short
- +0500 - basic
- +05:00 - extended
- +0500 - sign character (+) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the east of the zero meridian.
- Echo - Military abbreviation for TJT
- E - short form of 'Echo'
- ALMT - Alma-Ata Time
- AMST - Armenia Summer Time
- AQTT - Aqtobe Time
- AZST - Azerbaijan Summer Time
- E - Echo Time Zone
- MAWT - Mawson Time
- MVT - Maldives Time
- ORAT - Oral Time
- PKT - Pakistan Standard Time
- QYZT - Qyzylorda Time
- TFT - French Southern and Antarctic Time
- TJT - Tajikistan Time
- TMT - Turkmenistan Time
- UZT - Uzbekistan Time
- YEKT - Yekaterinburg Time
- HMT - Heard and McDonald Islands Time
Iran Standard Time
Offset: IRST is 3 hours and 30 minutes ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Iran
Principal Cities: The largest city in the IRST time zone is Tehran in Iran, with about 7.153 million people. Other major cities in this time zone include Mashhad, Isfahan, Karaj, Tabriz.
Daylight Saving: Clocks in Iran Standard Time (IRST) do not change for daylight saving time, so IRST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
IRST representations, usage and related time zones
- +0330 - basic
- +03:30 - extended
- +0330 - sign character (+) followed by a four digit time providing hours (03) and minutes (30) of the offset. Indicates an offset of three hours and thirty minutes to the east of the zero meridian.