IRDT to TJT 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
3:30 pm15:30 IRST (UTC+3:30), Oct 17, 2026 = 5:00 pm17:00 TJT (UTC+5), Oct 17, 2026
IRST is 1 hour and 30 minutes behind TJT.
IRDT and TJT examples
These examples always use IRDT (UTC+4:30) and TJT (UTC+5). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
IRDT is 30 minutes behind TJT.
How the time difference changes
IRST is 1 hour and 30 minutes behind TJT year-round.
Working hours of 9:00 am to 6:00 pm in IRST correspond to 10:30 am to 7:30 pm in TJT.Working hours of 09:00 to 18:00 in IRST correspond to 10:30 to 19:30 in TJT.
Compare IRDT time with TJT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Iran Standard Time is 1 hour and 30 minutes behind Tajikistan Time.
3:30 pm15:30 in IRST is 5:00 pm17:00 in TJT
IRST to TJT call time
Best time for a conference call or a meeting is between 9am-4:30pm09:00-16:30 in IRST which corresponds to 10:30am-6pm10:30-18:00 in TJT
3:30 pm15:30 Iran Standard Time (IRST). Offset UTC +3:30 hours
5:00 pm17:00 Tajikistan Time (TJT). Offset UTC +5:00 hours
3:30 pm15:30 IRST / 5:00 pm17:00 TJT
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.
| IRST | TJT |
|---|---|
| 1:30am | |
| 2:30am | |
| 3:30am | |
| 4:30am | |
| 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 | |
| 10:30pm | |
| 11:30pm | |
| 12:30am next day | |
| 01:30 | |
| 02:30 | |
| 03:30 | |
| 04:30 | |
| 05:30 | |
| 06:30 | |
| 07:30 | |
| 08:30 | |
| 09:30 | |
| 10:30 | |
| 11:30 | |
| 12:30 | |
| 13:30 | |
| 14:30 | |
| 15:30 | |
| 16:30 | |
| 17:30 | |
| 18:30 | |
| 19:30 | |
| 20:30 | |
| 21:30 | |
| 22:30 | |
| 23:30 | |
| 00:30 next day |
Iran Daylight Time
Offset: IRDT is 4 hours and 30 minutes ahead of Greenwich Mean Time (GMT).
IRDT representations, usage and related time zones
- +0430 - basic
- +04:30 - extended
- +0430 - sign character (+) followed by a four digit time providing hours (04) and minutes (30) of the offset. Indicates an offset of four hours and thirty minutes to the east of the zero meridian.
- AFT - Afghanistan Time
- IRDT - Iran Daylight Time
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