IRST to Pakistan
+1h 30mIRST
IRSTSOURCEPakistan
PKTGreen rows indicate typical business hours (9 AM - 5 PM)
IRST and PKT on the World Map
The map below highlights the IRST (Iran Standard Time) and PKT (Pakistan Standard 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.
PKT – Pakistan Standard Time
UTC+05:00Pakistan Standard Time (PKT) is the time zone for Pakistan, 5 hours ahead of UTC.
- •Pakistan does not observe daylight saving time.
- •Karachi is one of the world's most populous cities.
- •PKT is the same offset as Uzbekistan (UZT) and Yekaterinburg (YEKT).
Everything You Need to Know About IRST and Pakistan Time
IRST runs on Iran Standard Time (IRST) at UTC+03:30. Pakistan runs on Pakistan Standard Time (PKT) at UTC+05:00. That puts IRST 1 hour 30 minutes ahead of Pakistan — a difference of +1h 30m at the current offsets.
In practice, when it is 9:00 AM in IRST it is 10:30 AM in Pakistan. Midnight in IRST is 1:30 AM in Pakistan. Neither zone observes daylight saving time, so the offset between them stays constant all year.
IRST to Pakistan time conversion table
| IRST (IRST) | Pakistan (PKT) | Day |
|---|---|---|
| 12:00 AM | 1:30 AM | same day |
| 6:00 AM | 7:30 AM | same day |
| 7:00 AM | 8:30 AM | same day |
| 8:00 AM | 9:30 AM | same day |
| 9:00 AM | 10:30 AM | same day |
| 12:00 PM | 1:30 PM | same day |
| 3:00 PM | 4:30 PM | same day |
| 5:00 PM | 6:30 PM | same day |
| 6:00 PM | 7:30 PM | same day |
| 9:00 PM | 10:30 PM | same day |
Why people convert IRST to Pakistan time
- Scheduling a call from IRST to Pakistan: a 10:00 AM start in IRST lands at 11:30 AM in Pakistan, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both IRST and Pakistan are inside the 9-to-5 working day between 9:00 AM and 3:30 PM IRST time (10:30 AM–5:00 PM PKT). That is roughly 6 hours 30 minutes of usable overlap.
- Keeping family and friends in sync: knowing that 8:00 PM in IRST is 9:30 PM in Pakistan makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM IRST" is unambiguous; "3 PM" across a +1h 30m gap is not.
- Block 9:00 AM–3:30 PM IRST as the recurring meeting window if you work primarily from IRST and need Pakistan colleagues present.
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 PKT (Pakistan Standard Time)
Pakistan Standard Time (PKT) is the time zone used throughout Pakistan. PKT does not observe daylight saving time. Pakistan is the 5th most populous country in the world.
Best time to call between IRST and Pakistan
Both IRST and Pakistan sit inside the 9 AM – 5 PM working day between 9:00 AM–3:30 PM IRST, which is 10:30 AM–5:00 PM PKT. That gives roughly 6 hours and 30 minutes of shared time — the safest window for a live call or meeting.
Business hours overlap
IRST and Pakistan share 6 hours of working-hours overlap (9:00 AM–3:30 PM IRST), so scheduling a live meeting is straightforward.
IRST is 1 hour 30 minutes ahead of Pakistan (IRST UTC+03:30 → PKT UTC+05:00). The shared working window is 9:00 AM–3:30 PM IRST. 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:
Frequently Asked Questions
What is the time difference between IRST and Pakistan?
IRST (IRST, UTC+03:30) is 1 hour 30 minutes ahead of Pakistan (PKT, UTC+05:00). The gap is currently +1h 30m.
How do I convert IRST time to Pakistan time?
Add +1h 30m to IRST local time. For example, 9:00 AM in IRST is 10:30 AM in Pakistan.
What time is it in Pakistan right now?
Pakistan uses PKT at UTC+05:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +1h 30m offset from IRST.
What is the best time to call Pakistan from IRST?
Call between 9:00 AM and 3:30 PM IRST — that maps to 10:30 AM–5:00 PM PKT and keeps both parties inside the working day.
Which is ahead, IRST or Pakistan?
IRST is 1 hour 30 minutes ahead of Pakistan. When it is 12:00 PM in IRST it is 1:30 PM in Pakistan.
Do IRST and Pakistan use different time zones?
IRST uses IRST at UTC+03:30, while Pakistan (Pakistan) uses PKT at UTC+05:00. The IANA identifiers are Asia/Tehran and Asia/Karachi.
Does daylight saving time affect the IRST–Pakistan difference?
Neither zone observes daylight saving time, so the +1h 30m offset between IRST and Pakistan is fixed all year.
Which other cities share IRST's time zone?
IRST also covers Tehran, Isfahan, Mashhad, Tabriz, Shiraz, Karaj.
Which countries use IRST, IRST's zone?
IRST is used in Iran.
Is there a day difference between IRST and Pakistan?
Not normally. The +1h 30m gap only pushes the date over for late-evening times.
What is the time difference between IRST and Pakistan?
Pakistan is +1h 30m from IRST.
What timezone is IRST in?
IRST operates on its local timezone.
What timezone is Pakistan in?
Pakistan operates on its local timezone.
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 PKT timezone?
Major cities in the PKT timezone include Karachi, Lahore, Islamabad, Rawalpindi, Faisalabad, Peshawar.
What is the UTC offset for PKT?
Pakistan Standard Time (PKT) is at UTC+05:00.
What should I know about the PKT timezone?
Pakistan does not observe daylight saving time. Karachi is one of the world's most populous cities.
When is it midnight in IRST, what time is it in Pakistan?
When it is 12:00 AM (midnight) in IRST (IRST), it is +1h 30m later in Pakistan (PKT).
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