Isfahan runs on UTC+3:30 every day of the year, with no daylight saving time.
Isfahan and your time
Isfahan at a glance
| Country | Iran |
|---|---|
| Region | Isfahan |
| Time zone | Asia/Tehran |
| UTC offset now | UTC+3:30 |
| Daylight saving time | Not observed since 2022 |
| Coordinates | 32.65° N, 51.67° E |
Isfahan time zone and clock changes
Local time in Isfahan is UTC+3:30 year round, under the Asia/Tehran rules. Daylight saving time was used in the past, most recently in 2022, and no future change is scheduled.
Because UTC+3:30 ends in :30, a call booked on the hour in London or New York starts at half past the hour in Isfahan.
Isfahan is on the same time as the rest of Iran, including the capital, Tehran.
Clock changes in Isfahan, 2026 and 2027
No clock changes are scheduled in Isfahan for 2026 or 2027.
Isfahan time compared with major cities
A 9:00 AM start in Isfahan is 12:30 AM in New York, 4:30 PM in Sydney and 9:30 PM (previous day) in Los Angeles.
| City | Time now | Difference now | In January | In July | Shared office hours |
|---|---|---|---|---|---|
| New York (United States) | --:-- | 8 h 30 min behind | 8 h 30 min behind | 7 h 30 min behind | None |
| Los Angeles (United States) | --:-- | 11 h 30 min behind | 11 h 30 min behind | 10 h 30 min behind | None |
| London (United Kingdom) | --:-- | 3 h 30 min behind | 3 h 30 min behind | 2 h 30 min behind | 4 h 30 min |
| Paris (France) | --:-- | 2 h 30 min behind | 2 h 30 min behind | 1 h 30 min behind | 5 h 30 min |
| Dubai (United Arab Emirates) | --:-- | 30 min ahead | 30 min ahead | 30 min ahead | 7 h 30 min |
| Mumbai (India) | --:-- | 2 h ahead | 2 h ahead | 2 h ahead | 6 h |
| Singapore | --:-- | 4 h 30 min ahead | 4 h 30 min ahead | 4 h 30 min ahead | 3 h 30 min |
| Tokyo (Japan) | --:-- | 5 h 30 min ahead | 5 h 30 min ahead | 5 h 30 min ahead | 2 h 30 min |
| Sydney (Australia) | --:-- | 7 h 30 min ahead | 7 h 30 min ahead | 6 h 30 min ahead | 30 min |
| UTC | --:-- | 3 h 30 min behind | 3 h 30 min behind | 3 h 30 min behind | 4 h 30 min |
Isfahan never changes its clocks, but many of these cities do. Where the January and July columns disagree, the gap shifts when the other city moves to or from daylight saving time.
Shared office hours counts the time when the clock reads between 9 AM and 5 PM in both cities on the same day.
Sunrise, sunset and day length in Isfahan
Today
| Sunrise | --:-- |
|---|---|
| Sunset | --:-- |
| Day length | -- |
| Solar noon | --:-- |
The earliest sunrise in Isfahan is at 4:55 AM on June 12, and the latest sunset at 7:15 PM on June 30.
Daylight through the year in Isfahan
| Date | Sunrise | Sunset | Day length | |
|---|---|---|---|---|
| March equinox | March 20 | 6:07 AM | 6:15 PM | 12 h 7 min |
| June solstice | June 21 | 4:56 AM | 7:14 PM | 14 h 18 min |
| September equinox | September 23 | 5:52 AM | 5:59 PM | 12 h 7 min |
| December solstice | December 22 | 7:02 AM | 5:02 PM | 10 h |
Clock time and sun time in Isfahan
Isfahan lies close to the centre of its time zone, so the sun is highest at about 12:05 PM on standard time, close to clock noon.
Places close to Isfahan
All the places listed below keep the same time as Isfahan.
| City | Distance | Time now | Difference |
|---|---|---|---|
| Three Castles | 13 km (8 mi) | --:-- | Same time |
| Baharestan | 20 km (13 mi) | --:-- | Same time |
| Shahin Shahr | 26 km (16 mi) | --:-- | Same time |
| Najafabad | 29 km (18 mi) | --:-- | Same time |
| Shahreza | 74 km (46 mi) | --:-- | Same time |
| Shahr-e Kord | 85 km (53 mi) | --:-- | Same time |
| Kashan | 150 km (93 mi) | --:-- | Same time |
| Izeh | 193 km (120 mi) | --:-- | Same time |
More cities in Iran
All time zones and cities in Iran
Plan around the time in Isfahan
- Convert a time to or from Isfahan: pick a date and time and see it in every city on your list.
- Add Isfahan to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in Isfahan and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
What time zone is Isfahan in?
Isfahan uses the Asia/Tehran time zone, which is UTC+3:30 all year.
Does Isfahan use daylight saving time?
Not any more. Isfahan last changed its clocks for daylight saving time in 2022 and now stays on UTC+3:30 all year.
What is the time difference between Isfahan and New York?
Isfahan is 8 hours 30 minutes ahead of New York in January and 7 hours 30 minutes ahead of New York in July, because New York moves its clocks for daylight saving time and Isfahan does not.
Is Isfahan on the same time as Tehran?
Yes. Isfahan and Tehran both use UTC+3:30 right now.
How long is the longest day in Isfahan?
About 14 hours 18 minutes, around the June solstice. The shortest day, around the December solstice, has about 10 hours of daylight.
Time zone rules: IANA tz database, version 2026e. Place names and coordinates: GeoNames. Sunrise and sunset are calculated from the coordinates and can differ by a minute or two from local almanacs.