Iran to Lisbon
-2h 30mIran
IRSTSOURCELisbon
WESTGreen rows indicate typical business hours (9 AM - 5 PM)
IRST and WEST on the World Map
The map below highlights the IRST (Iran Standard Time) and WEST (Western European Time) timezone regions across the globe.
IRST – Iran Standard Time
UTC+03:30Iran Standard Time (IRST) is the time zone for Iran, 3 hours and 30 minutes ahead of UTC.
- •IRST is one of only a few time zones with a 30-minute offset.
- •Iran observes daylight saving time, switching to IRDT (UTC+04:30).
- •Tehran has a metropolitan population of over 16 million.
WET – Western European Time
UTC+00:00Western European Time (WET) is the time zone for Portugal, Morocco, and the Canary Islands, same as UTC+00:00.
- •Portugal is the only mainland European country in the WET time zone.
- •The Canary Islands are on WET despite being part of Spain (which uses CET).
- •WET is identical to GMT and UTC+00:00.
About Lisbon
WikipediaLisbon operates on Western European Time (WET/WEST), same as London. As Portugal's capital and an emerging tech hub, Lisbon bridges European and Atlantic time zones.
Lisbon has 300 days of sunshine per year and is a major startup hub in Europe.
Iran to Lisbon Time Difference – Complete Guide
Iran runs on Iran Standard Time (IRST) at UTC+03:30. Lisbon runs on Western European Summer Time (WEST) at UTC+01:00, also currently on daylight saving time. That puts Iran 2 hours 30 minutes behind Lisbon — a difference of -2h 30m at the current offsets.
In practice, when it is 9:00 AM in Iran it is 6:30 AM in Lisbon. Midnight in Iran is 9:30 PM in Lisbon.Lisbon observes daylight saving time while Iran does not, so the gap narrows or widens by an hour part of the year.
Iran to Lisbon time conversion table
| Iran (IRST) | Lisbon (WEST) | Day |
|---|---|---|
| 12:00 AM | 9:30 PM | previous day |
| 6:00 AM | 3:30 AM | same day |
| 7:00 AM | 4:30 AM | same day |
| 8:00 AM | 5:30 AM | same day |
| 9:00 AM | 6:30 AM | same day |
| 12:00 PM | 9:30 AM | same day |
| 3:00 PM | 12:30 PM | same day |
| 5:00 PM | 2:30 PM | same day |
| 6:00 PM | 3:30 PM | same day |
| 9:00 PM | 6:30 PM | same day |
Why people convert Iran to Lisbon time
- Scheduling a call from Iran to Lisbon: a 10:00 AM start in Iran lands at 7:30 AM in Lisbon, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Iran and Lisbon are inside the 9-to-5 working day between 11:30 AM and 5:00 PM IRST time (9:00 AM–2:30 PM WEST). That is roughly 5 hours 30 minutes of usable overlap.
- Booking travel or deliveries: tracking Lisbon local time against Iran keeps pickup windows and arrival estimates honest across the -2h 30m offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM IRST" is unambiguous; "3 PM" across a -2h 30m gap is not.
- Block 11:30 AM–5:00 PM IRST as the recurring meeting window if you work primarily from Iran and need Lisbon colleagues present.
- Lisbon: Clocks fall back on Sun, Oct 25, 2026. Any meeting series spanning that date will shift by an hour in local time.
About IRST (Iran Standard Time)
Iran Standard Time (IRST) is one of the few time zones with a 30-minute offset. Iran observes daylight saving time (IRDT, UTC+04:30) from late March to late September. Tehran, the capital, is one of the largest cities in the Middle East.
About WET (Western European Time)
Western European Time (WET) is used in Portugal, the Canary Islands (Spain), Morocco, and several other locations. It is equivalent to GMT/UTC. During summer, Portugal and the Canary Islands switch to WEST (Western European Summer Time, UTC+01:00).
Best time to call between Iran and Lisbon
Both Iran and Lisbon sit inside the 9 AM – 5 PM working day between 11:30 AM–5:00 PM IRST, which is 9:00 AM–2:30 PM WEST. That gives roughly 5 hours and 30 minutes of shared time — the safest window for a live call or meeting.
Business hours overlap
Iran and Lisbon share 5 hours of working-hours overlap (11:30 AM–5:00 PM IRST), so scheduling a live meeting is straightforward.
Iran is 2 hours 30 minutes behind Lisbon (IRST UTC+03:30 → WEST UTC+01:00). The shared working window is 11:30 AM–5:00 PM IRST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Iran
Does not observe DST
Lisbon
☀ Currently in DST
Standard: UTC+00:00 · DST: UTC+01:00
Clocks fall back on Sun, Oct 25, 2026
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between Iran and Lisbon?
Iran (IRST, UTC+03:30) is 2 hours 30 minutes behind Lisbon (WEST, UTC+01:00). The gap is currently -2h 30m.
How do I convert Iran time to Lisbon time?
Add -2h 30m to Iran local time. For example, 9:00 AM in Iran is 6:30 AM in Lisbon.
What time is it in Lisbon right now?
Lisbon uses WEST at UTC+01:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -2h 30m offset from Iran.
What is the best time to call Lisbon from Iran?
Call between 11:30 AM and 5:00 PM IRST — that maps to 9:00 AM–2:30 PM WEST and keeps both parties inside the working day.
Which is behind, Iran or Lisbon?
Iran is 2 hours 30 minutes behind Lisbon. When it is 12:00 PM in Iran it is 9:30 AM in Lisbon.
Do Iran and Lisbon use different time zones?
Iran (Iran) uses IRST at UTC+03:30, while Lisbon (Portugal) uses WEST at UTC+01:00. The IANA identifiers are Asia/Tehran and Europe/Lisbon.
Does daylight saving time affect the Iran–Lisbon difference?
Yes at the moment: Lisbon is on daylight saving time and Iran is not, so the -2h 30m gap shifts by an hour when exactly one of them changes clocks.
Which other cities share Iran's time zone?
IRST also covers Tehran, Isfahan, Mashhad, Tabriz, Shiraz, Karaj.
Which countries use IRST, Iran's zone?
IRST is used in Iran.
Is there a day difference between Iran and Lisbon?
Not normally. The -2h 30m gap only pushes the date over the previous day.
What is the time difference between Iran and Lisbon?
Lisbon is -2h 30m from Iran.
What timezone is Iran in?
Iran operates on its local timezone.
What timezone is Lisbon in?
Lisbon operates on Western European Time (WET/WEST), same as London. As Portugal's capital and an emerging tech hub, Lisbon bridges European and Atlantic time zones.
What are the business hours in Lisbon?
Standard business hours in Lisbon are 9:00 AM - 6:00 PM WET.
Which countries use IRST (Iran Standard Time)?
IRST is used in Iran.
Does IRST observe daylight saving time?
Yes, IRST switches to IRDT during summer months.
What are some interesting facts about IRST?
IRST is one of only a few time zones with a 30-minute offset. Iran observes daylight saving time, switching to IRDT (UTC+04:30).
Which cities are in the WET timezone?
Major cities in the WET timezone include Lisbon, Porto, Casablanca, Las Palmas, Funchal, Rabat.
What is the UTC offset for WET?
Western European Time (WET) is at UTC+00:00. During daylight saving time, it shifts to WEST.
What should I know about the WET timezone?
Portugal is the only mainland European country in the WET time zone. The Canary Islands are on WET despite being part of Spain (which uses CET).
When is it midnight in Iran, what time is it in Lisbon?
When it is 12:00 AM (midnight) in Iran (IRST), it is -2h 30m later in Lisbon (WET).
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