Does it handle Daylight Saving Time?

Yes, the tool automatically adjusts for Daylight Saving Time based on the specific date you select, ensuring accurate conversions year-round.

Can I add multiple cities?

Yes, you can add as many cities as you need to the dashboard to compare times across your entire global network simultaneously.

MSK to Tehran

+0h 30m

MSK

MSKSOURCE

UTC+03:00

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Tehran

IRST

Iran · UTC+03:30

HH12

MM30

12:30 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

MSK

Tehran

12:00 AM

12:30 AM

2:00 AM

2:30 AM

4:00 AM

4:30 AM

6:00 AM

6:30 AM

8:00 AM

8:30 AM

10:00 AM

10:30 AM

12:00 PM

12:30 PM

2:00 PM

2:30 PM

4:00 PM

4:30 PM

6:00 PM

6:30 PM

8:00 PM

8:30 PM

10:00 PM

10:30 PM

Green rows indicate typical business hours (9 AM - 5 PM)

MSK and IRST on the World Map

The map below highlights the MSK (Moscow Standard Time) and IRST (Iran Standard Time) timezone regions across the globe.

MSK Zone

→

IRST Zone

Explore all world timezones interactively →

MSK – Moscow Standard Time

UTC+03:00

Moscow Standard Time (MSK) is the time zone for Moscow and western Russia, 3 hours ahead of UTC.

Countries in MSK

Russia (Moscow, St. Petersburg, western regions)

Major Cities in MSK

MoscowSt. PetersburgVolgogradNizhny NovgorodKazanSamaraRostov-on-Don

Key Facts about MSK

•All Russian train timetables use Moscow Time, regardless of location.
•Russia abolished daylight saving time in 2011.
•Moscow is the most populous city in Europe with over 12 million residents.
•MSK shares the offset with Saudi Arabia (AST) and East Africa (EAT).

Daylight Saving:No – UTC+03:00 year-round

Learn more about MSK on Wikipedia

IRST – Iran Standard Time

UTC+03:30

Iran Standard Time (IRST) is the time zone for Iran, 3 hours and 30 minutes ahead of UTC.

Countries in IRST

Iran

Major Cities in IRST

TehranIsfahanMashhadTabrizShirazKaraj

Key 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).
•Tehran has a metropolitan population of over 16 million.

Daylight Saving:Yes – switches to IRDT

Learn more about IRST on Wikipedia

About Tehran

Wikipedia

Tehran operates on Iran Standard Time (IRST), UTC+3:30. Iran's unique half-hour offset makes Tehran time distinctive for regional business coordination.

Population:9.4 million

Metro:16.8 million

Business Hours:8:00 AM - 4:00 PM IRST

Currency:IRR (﷼)

Stock Exchange:TSE (Tehran Stock Exchange)

Key Landmarks

Azadi TowerGolestan PalaceGrand BazaarMilad TowerTabiat Bridge

Did You Know?

Iran Standard Time (IRST) is one of few timezones with a 30-minute offset (UTC+3:30).

Learn more about IRST timezone →

MSK to Tehran Time Difference – Complete Guide

MSK runs on Moscow Standard Time (MSK) at UTC+03:00. Tehran runs on Iran Standard Time (IRST) at UTC+03:30. That puts MSK 30 minutes ahead of Tehran — a difference of +0h 30m at the current offsets.

In practice, when it is 9:00 AM in MSK it is 9:30 AM in Tehran. Midnight in MSK is 12:30 AM in Tehran. Neither zone observes daylight saving time, so the offset between them stays constant all year.

MSK to Tehran time conversion table

MSK (MSK)	Tehran (IRST)	Day
12:00 AM	12:30 AM	same day
6:00 AM	6:30 AM	same day
7:00 AM	7:30 AM	same day
8:00 AM	8:30 AM	same day
9:00 AM	9:30 AM	same day
12:00 PM	12:30 PM	same day
3:00 PM	3:30 PM	same day
5:00 PM	5:30 PM	same day
6:00 PM	6:30 PM	same day
9:00 PM	9:30 PM	same day

Why people convert MSK to Tehran time

Scheduling a call from MSK to Tehran: a 10:00 AM start in MSK lands at 10:30 AM in Tehran, so you can confirm the slot without doing the arithmetic yourself.
Finding shared working hours: both MSK and Tehran are inside the 9-to-5 working day between 9:00 AM and 4:30 PM MSK time (9:30 AM–5:00 PM IRST). That is roughly 7 hours 30 minutes of usable overlap.
Keeping family and friends in sync: knowing that 8:00 PM in MSK is 8:30 PM in Tehran makes it easy to avoid calling at 3 AM.

Always state the zone abbreviation, not just the hour. "3:00 PM MSK" is unambiguous; "3 PM" across a +0h 30m gap is not.
Block 9:00 AM–4:30 PM MSK as the recurring meeting window if you work primarily from MSK and need Tehran colleagues present.

About MSK (Moscow Standard Time)

Moscow Standard Time (MSK) is the time zone used in Moscow, St. Petersburg, and much of western Russia. Russia abolished DST in 2011, so MSK is observed year-round. MSK is also the reference time for Russian railways – all train schedules in Russia are given in Moscow Time regardless of the actual local time zone.

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.

Best time to call between MSK and Tehran

Both MSK and Tehran sit inside the 9 AM – 5 PM working day between 9:00 AM–4:30 PM MSK, which is 9:30 AM–5:00 PM IRST. That gives roughly 7 hours and 30 minutes of shared time — the safest window for a live call or meeting.

Business hours overlap

MSK and Tehran share 7 hours of working-hours overlap (9:00 AM–4:30 PM MSK), so scheduling a live meeting is straightforward.

MSK is 30 minutes ahead of Tehran (MSK UTC+03:00 → IRST UTC+03:30). The shared working window is 9:00 AM–4:30 PM MSK. Remember to re-check around daylight-saving transitions.

Learn More About Time

Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:

⏳

History of Timekeeping

From sundials to atomic clocks - 5000 years of measuring time

🌍

How Time Zones Work

UTC, offsets, and why zones don't follow straight lines

☀️

Daylight Saving Time

DST dates, which countries observe it, and the ongoing debate

Frequently Asked Questions

What is the time difference between MSK and Tehran?

MSK (MSK, UTC+03:00) is 30 minutes ahead of Tehran (IRST, UTC+03:30). The gap is currently +0h 30m.

How do I convert MSK time to Tehran time?

Add +0h 30m to MSK local time. For example, 9:00 AM in MSK is 9:30 AM in Tehran.

What time is it in Tehran right now?

Tehran uses IRST at UTC+03:30. Use the live converter at the top of this page — it updates in real time and already accounts for the +0h 30m offset from MSK.

What is the best time to call Tehran from MSK?

Call between 9:00 AM and 4:30 PM MSK — that maps to 9:30 AM–5:00 PM IRST and keeps both parties inside the working day.

Which is ahead, MSK or Tehran?

MSK is 30 minutes ahead of Tehran. When it is 12:00 PM in MSK it is 12:30 PM in Tehran.

Do MSK and Tehran use different time zones?

MSK uses MSK at UTC+03:00, while Tehran (Iran) uses IRST at UTC+03:30. The IANA identifiers are Europe/Moscow and Asia/Tehran.

Does daylight saving time affect the MSK–Tehran difference?

Neither zone observes daylight saving time, so the +0h 30m offset between MSK and Tehran is fixed all year.

Which other cities share MSK's time zone?

MSK also covers Moscow, St. Petersburg, Volgograd, Nizhny Novgorod, Kazan, Samara, Rostov-on-Don.

Which countries use MSK, MSK's zone?

MSK is used in Russia (Moscow, St. Petersburg, western regions).

Is there a day difference between MSK and Tehran?

Not normally. The +0h 30m gap only pushes the date over for late-evening times.

What is the time difference between MSK and Tehran?

Tehran is +0h 30m from MSK.

What timezone is MSK in?

MSK operates on its local timezone.

What timezone is Tehran in?

Tehran operates on Iran Standard Time (IRST), UTC+3:30. Iran's unique half-hour offset makes Tehran time distinctive for regional business coordination.