TFT to IRST Converter
Quick answers
Selected conversion
The selected date and time will appear here when the converter loads.
TFT and IRST examples
These examples always use TFT (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.
TFT is 1 hour and 30 minutes ahead of IRST.
How the time difference changes
TFT is 1 hour and 30 minutes ahead of IRST year-round.
Working hours of 9:00 am to 5:00 pm in TFT correspond to 7:30 am to 3:30 pm in IRST.
Compare TFT time with IRST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
French Southern and Antarctic Time is 1 hour and 30 minutes ahead of Iran Standard Time
5:00 pm17:00 in TFT is 3:30 pm15:30 in IRST
TFT to IRST call time
Best time for a conference call or a meeting is between 10:30am-5pm in TFT which corresponds to 9am-3:30pm in IRST
5:00 pm17:00 French Southern and Antarctic Time (TFT). Offset UTC +5:00 hours
3:30 pm15:30 Iran Standard Time (IRST). Offset UTC +3:30 hours
5:00 pm17:00 TFT / 3:30 pm15:30 IRST
| TFT | IRST |
|---|---|
| 12am (midnight) | 10:30 pm |
| 1am | 11:30 pm |
| 2am | 12:30 am |
| 3am | 1:30 am |
| 4am | 2:30 am |
| 5am | 3:30 am |
| 6am | 4:30 am |
| 7am | 5:30 am |
| 8am | 6:30 am |
| 9am | 7:30 am |
| 10am | 8:30 am |
| 11am | 9:30 am |
| 12pm (noon) | 10:30 am |
| 1pm | 11:30 am |
| 2pm | 12:30 pm |
| 3pm | 1:30 pm |
| 4pm | 2:30 pm |
| 5pm | 3:30 pm |
| 6pm | 4:30 pm |
| 7pm | 5:30 pm |
| 8pm | 6:30 pm |
| 9pm | 7:30 pm |
| 10pm | 8:30 pm |
| 11pm | 9:30 pm |
| 00:00 | 22:30 |
| 01:00 | 23:30 |
| 02:00 | 00:30 |
| 03:00 | 01:30 |
| 04:00 | 02:30 |
| 05:00 | 03:30 |
| 06:00 | 04:30 |
| 07:00 | 05:30 |
| 08:00 | 06:30 |
| 09:00 | 07:30 |
| 10:00 | 08:30 |
| 11:00 | 09:30 |
| 12:00 | 10:30 |
| 13:00 | 11:30 |
| 14:00 | 12:30 |
| 15:00 | 13:30 |
| 16:00 | 14:30 |
| 17:00 | 15:30 |
| 18:00 | 16:30 |
| 19:00 | 17:30 |
| 20:00 | 18:30 |
| 21:00 | 19:30 |
| 22:00 | 20:30 |
| 23:00 | 21:30 |
French Southern and Antarctic Time
Offset: TFT is 5 hours ahead Greenwich Mean Time (GMT) and is used in Indian Ocean
Countries using this time zone: French S. Terr.
Principal Cities: The largest city in the TFT time zone is Port aux Francais in French Southern Territories, with about 45 people.
Daylight Saving: Clocks in French Southern and Antarctic Time (TFT) do not change for daylight saving time, so TFT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.
TFT 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 TFT
- E - short form of 'Echo'
- 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
- 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 Greenwich Mean Time (GMT) and is used in Asia
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.
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.