DST periods of Iran (2018 ~ 2019)
| Year | Date | Type |
| 2018 | 2018-3-22 | Start of DST |
| 2018-9-21 | End of DST | |
| 2019 | 2019-3-22 | Start of DST |
| 2019-9-21 | End of DST |
Time zones currently being used in Iran
Iran is currently using 1 time zone , IRDT
| Offset | Time Zone | Example City | Current Time |
| UTC +04:30 | IRDT | Tehran | 02:14 Fri, 2018-05-25 |
Time zones to be used in Iran
| Offset | Time Zone | Commences |
| UTC +03:30 | IRST | 2018-09-21 |
Time of Cities in Iran
IRDT (UTC +04:30)
| City | Time |
|---|---|
| Tehran | 02:14 Fri, 2018-05-25 |
| Mashhad | 02:14 Fri, 2018-05-25 |
| Karaj | 02:14 Fri, 2018-05-25 |
| Isfahan | 02:14 Fri, 2018-05-25 |
| Tabriz | 02:14 Fri, 2018-05-25 |
| Shiraz | 02:14 Fri, 2018-05-25 |
| Qom | 02:14 Fri, 2018-05-25 |
| Ahvāz | 02:14 Fri, 2018-05-25 |
| Yazd | 02:14 Fri, 2018-05-25 |
| Kermanshah | 02:14 Fri, 2018-05-25 |
| Kerman | 02:14 Fri, 2018-05-25 |
| Urmia | 02:14 Fri, 2018-05-25 |
| Rašt | 02:14 Fri, 2018-05-25 |
| Zahedan | 02:14 Fri, 2018-05-25 |
| Arak | 02:14 Fri, 2018-05-25 |
| Ardabil | 02:14 Fri, 2018-05-25 |
| Hamadan | 02:14 Fri, 2018-05-25 |
| Kashan | 02:14 Fri, 2018-05-25 |
| Bandar Abbas | 02:14 Fri, 2018-05-25 |
| Sanandaj | 02:14 Fri, 2018-05-25 |
| Dezful | 02:14 Fri, 2018-05-25 |
| Eslamshahr | 02:14 Fri, 2018-05-25 |
| Zanjan | 02:14 Fri, 2018-05-25 |
| Qazvin | 02:14 Fri, 2018-05-25 |
| Gorgan | 02:14 Fri, 2018-05-25 |
| Khorramabad, Lorestan | 02:14 Fri, 2018-05-25 |
| Qaem Shahr | 02:14 Fri, 2018-05-25 |
| Nishapur | 02:14 Fri, 2018-05-25 |
| Sari | 02:14 Fri, 2018-05-25 |
| City | Time |
|---|---|
| Borujerd | 02:14 Fri, 2018-05-25 |
| Amol | 02:14 Fri, 2018-05-25 |
| Babol | 02:14 Fri, 2018-05-25 |
| Varamin | 02:14 Fri, 2018-05-25 |
| Khomeyni Shahr(Mehrbin مهربین)(marbin ماربین) | 02:14 Fri, 2018-05-25 |
| Ābādān | 02:14 Fri, 2018-05-25 |
| Sabzevar | 02:14 Fri, 2018-05-25 |
| Masjed Soleyman | 02:14 Fri, 2018-05-25 |
| Najafabad | 02:14 Fri, 2018-05-25 |
| Khoy | 02:14 Fri, 2018-05-25 |
| Bojnourd | 02:14 Fri, 2018-05-25 |
| Birjand | 02:14 Fri, 2018-05-25 |
| Qarchak | 02:14 Fri, 2018-05-25 |
| Sirjan | 02:14 Fri, 2018-05-25 |
| Bushehr | 02:14 Fri, 2018-05-25 |
| Andimeshk | 02:14 Fri, 2018-05-25 |
| Ilam | 02:14 Fri, 2018-05-25 |
| Malayer | 02:14 Fri, 2018-05-25 |
| Shahrud | 02:14 Fri, 2018-05-25 |
| Bukan | 02:14 Fri, 2018-05-25 |
| Shahr-e Kord | 02:14 Fri, 2018-05-25 |
| Maragheh مراغه | 02:14 Fri, 2018-05-25 |
| Gonbad-e Kavus | 02:14 Fri, 2018-05-25 |
| Mahabad | 02:14 Fri, 2018-05-25 |
| Saqqez | 02:14 Fri, 2018-05-25 |
| Zabol | 02:14 Fri, 2018-05-25 |
| Khorramshahr | 02:14 Fri, 2018-05-25 |
| Marvdasht | 02:14 Fri, 2018-05-25 |