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.

Mumbai to Karachi

-0h 30m

Mumbai

ISTSOURCE

India · UTC+05:30

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Karachi

PKT

Pakistan · UTC+05:00

HH11

MM30

11:30 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

Mumbai

Karachi

12:00 AM

11:30 PM-1

2:00 AM

1:30 AM

4:00 AM

3:30 AM

6:00 AM

5:30 AM

8:00 AM

7:30 AM

10:00 AM

9:30 AM

12:00 PM

11:30 AM

2:00 PM

1:30 PM

4:00 PM

3:30 PM

6:00 PM

5:30 PM

8:00 PM

7:30 PM

10:00 PM

9:30 PM

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

IST and PKT on the World Map

The map below highlights the IST (India Standard Time) and PKT (Pakistan Standard Time) timezone regions across the globe.

IST Zone

→

PKT Zone

Explore all world timezones interactively →

IST – India Standard Time

UTC+05:30

India Standard Time (IST) is the time zone for India and Sri Lanka, 5 hours and 30 minutes ahead of UTC.

Countries in IST

IndiaSri Lanka

Major Cities in IST

MumbaiDelhiBangaloreKolkataChennaiHyderabadPuneAhmedabadColomboJaipurLucknowSurat

Key Facts about IST

•India is 10 hours 30 minutes ahead of EST and 5 hours 30 minutes ahead of GMT.
•India uses a single time zone despite spanning 30° of longitude.
•IST is one of only a handful of time zones with a 30-minute offset.
•IST is the most populous single time zone in the world with over 1.4 billion people.
•The Bombay Stock Exchange (BSE) and National Stock Exchange (NSE) operate on IST.

Daylight Saving:No – UTC+05:30 year-round

Learn more about IST on Wikipedia

PKT – Pakistan Standard Time

UTC+05:00

Pakistan Standard Time (PKT) is the time zone for Pakistan, 5 hours ahead of UTC.

Countries in PKT

Pakistan

Major Cities in PKT

KarachiLahoreIslamabadRawalpindiFaisalabadPeshawar

Key Facts about PKT

•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).

Daylight Saving:No – UTC+05:00 year-round

Learn more about PKT on Wikipedia

About Mumbai

Wikipedia

Mumbai operates on India Standard Time (IST), UTC+5:30. As India's financial capital and home to BSE (Asia's oldest stock exchange), Mumbai timing is crucial for Asia markets.

Population:12.4 million

Metro:21.3 million

Business Hours:9:30 AM - 5:30 PM IST

Currency:INR (₹)

Stock Exchange:BSE (Bombay Stock Exchange), NSE

Key Landmarks

Gateway of IndiaChhatrapati Shivaji TerminusMarine DriveElephanta CavesHaji Ali Dargah

Did You Know?

The Mumbai local trains carry over 7.5 million passengers daily.

Learn more about IST timezone →

About Karachi

Wikipedia

Karachi operates on Pakistan Standard Time (PKT), UTC+5. As Pakistan's financial hub and largest port city, Karachi time drives South Asian commerce.

Population:14.9 million

Metro:16.5 million

Business Hours:9:00 AM - 5:00 PM PKT

Currency:PKR (₨)

Stock Exchange:PSX (Pakistan Stock Exchange)

Key Landmarks

Quaid-e-Azam's MausoleumMohatta PalaceClifton BeachPort GrandPAF Museum

Did You Know?

Karachi is one of the fastest-growing megacities in the world.

Learn more about PKT timezone →

Understanding the -0h 30m Gap: Mumbai vs Karachi

Mumbai runs on India Standard Time (IST) at UTC+05:30. Karachi runs on Pakistan Standard Time (PKT) at UTC+05:00. That puts Mumbai 30 minutes behind Karachi — a difference of -0h 30m at the current offsets.

In practice, when it is 9:00 AM in Mumbai it is 8:30 AM in Karachi. Midnight in Mumbai is 11:30 PM in Karachi. Neither zone observes daylight saving time, so the offset between them stays constant all year.

Mumbai to Karachi time conversion table

Mumbai (IST)	Karachi (PKT)	Day
12:00 AM	11:30 PM	previous day
6:00 AM	5:30 AM	same day
7:00 AM	6:30 AM	same day
8:00 AM	7:30 AM	same day
9:00 AM	8:30 AM	same day
12:00 PM	11:30 AM	same day
3:00 PM	2:30 PM	same day
5:00 PM	4:30 PM	same day
6:00 PM	5:30 PM	same day
9:00 PM	8:30 PM	same day

Why people convert Mumbai to Karachi time

Scheduling a call from Mumbai to Karachi: a 10:00 AM start in Mumbai lands at 9:30 AM in Karachi, so you can confirm the slot without doing the arithmetic yourself.
Finding shared working hours: both Mumbai and Karachi are inside the 9-to-5 working day between 9:30 AM and 5:00 PM IST time (9:00 AM–4:30 PM PKT). That is roughly 7 hours 30 minutes of usable overlap.
Booking travel or deliveries: tracking Karachi local time against Mumbai keeps pickup windows and arrival estimates honest across the -0h 30m offset.

Always state the zone abbreviation, not just the hour. "3:00 PM IST" is unambiguous; "3 PM" across a -0h 30m gap is not.
Block 9:30 AM–5:00 PM IST as the recurring meeting window if you work primarily from Mumbai and need Karachi colleagues present.

About IST (India Standard Time)

India Standard Time (IST) is the time observed throughout India and Sri Lanka. It is based on the 82.5°E meridian, passing through Mirzapur in Uttar Pradesh. India uses a single time zone despite spanning roughly 30° of longitude, which has been debated. IST does not observe daylight saving time. India is the world's most populous country, making IST one of the most-used time zones globally. The IT outsourcing industry and call centers operate primarily on IST, making the EST-to-IST conversion one of the most searched timezone conversions.

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 Mumbai and Karachi

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

Business hours overlap

Mumbai and Karachi share 7 hours of working-hours overlap (9:30 AM–5:00 PM IST), so scheduling a live meeting is straightforward.

Mumbai is 30 minutes behind Karachi (IST UTC+05:30 → PKT UTC+05:00). The shared working window is 9:30 AM–5:00 PM IST. 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 Mumbai and Karachi?

Mumbai (IST, UTC+05:30) is 30 minutes behind Karachi (PKT, UTC+05:00). The gap is currently -0h 30m.

How do I convert Mumbai time to Karachi time?

Add -0h 30m to Mumbai local time. For example, 9:00 AM in Mumbai is 8:30 AM in Karachi.

What time is it in Karachi right now?

Karachi 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 -0h 30m offset from Mumbai.

What is the best time to call Karachi from Mumbai?

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

Which is behind, Mumbai or Karachi?

Mumbai is 30 minutes behind Karachi. When it is 12:00 PM in Mumbai it is 11:30 AM in Karachi.

Do Mumbai and Karachi use different time zones?

Mumbai (India) uses IST at UTC+05:30, while Karachi (Pakistan) uses PKT at UTC+05:00. The IANA identifiers are Asia/Kolkata and Asia/Karachi.

Does daylight saving time affect the Mumbai–Karachi difference?

Neither zone observes daylight saving time, so the -0h 30m offset between Mumbai and Karachi is fixed all year.

Which other cities share Mumbai's time zone?

IST also covers Mumbai, Delhi, Bangalore, Kolkata, Chennai, Hyderabad, Pune, Ahmedabad and 4 more.

Which countries use IST, Mumbai's zone?

IST is used in India, Sri Lanka.

Is there a day difference between Mumbai and Karachi?

Not normally. The -0h 30m gap only pushes the date over the previous day.

What is the time difference between Mumbai and Karachi?

Karachi is -0h 30m from Mumbai.

What timezone is Mumbai in?

Mumbai operates on India Standard Time (IST), UTC+5:30. As India's financial capital and home to BSE (Asia's oldest stock exchange), Mumbai timing is crucial for Asia markets.

What timezone is Karachi in?

Karachi operates on Pakistan Standard Time (PKT), UTC+5. As Pakistan's financial hub and largest port city, Karachi time drives South Asian commerce.

What are the business hours in Mumbai?

Standard business hours in Mumbai are 9:30 AM - 5:30 PM IST.

What are the business hours in Karachi?

Standard business hours in Karachi are 9:00 AM - 5:00 PM PKT.

What is the best time to schedule a call between Mumbai and Karachi?

The best overlap for a call is when both cities are in business hours. Mumbai works 9:30 AM - 5:30 PM IST and Karachi works 9:00 AM - 5:00 PM PKT (-0h 30m difference). Try scheduling during the overlapping window for maximum convenience.

What currencies are used in Mumbai and Karachi?

Mumbai uses INR (₹) while Karachi uses PKR (₨). Check current exchange rates when planning travel or business between these cities.

How do Mumbai and Karachi compare in size?

Mumbai has a population of approximately 12.4 million (metro: 21.3 million), while Karachi has approximately 14.9 million (metro: 16.5 million).

What are the major landmarks in Mumbai and Karachi?

Mumbai is known for Gateway of India, Chhatrapati Shivaji Terminus, Marine Drive. Karachi is famous for Quaid-e-Azam's Mausoleum, Mohatta Palace, Clifton Beach.

Do Mumbai and Karachi have stock exchanges?

Yes. Mumbai has the BSE (Bombay Stock Exchange), NSE and Karachi has the PSX (Pakistan Stock Exchange). The -0h 30m time difference affects trading hour overlaps between these exchanges.