|Current:||IRST — Iran Standard Time|
|Current Offset:||UTC/GMT +3:30 hours|
|Difference:||8:30 hours ahead of Washington DC|
2023 Time Zones - Hamadan
The graph above shows that there is no clock change in Hamadan during 2023.
Note that Hamadan uses a special half-hour time zone.
Time Changes in Hamadan Over the Years
Daylight Saving Time (DST) changes do not necessarily occur on the same date every year.
|Year||Date & Time||Abbreviation||Time Change||Offset After|
|2022||Tue, Mar 22 at 12:00 am||IRST → IRDT||+1 hour (DST start)||UTC+4:30h|
|Thu, Sep 22 at 12:00 am||IRDT → IRST||-1 hour (DST end)||UTC+3:30h|
|2023 — 2026||No changes, UTC +3:30 hours all of the period|
|* All times are local Hamadan time.|
Data for the years before 1970 is not available for Hamadan, however, we have earlier time zone history for Tehran available.