Why is Pakistan's offset (UTC+5) constant year-round?

Pakistan Standard Time (PKT) doesn't observe DST. Pakistan briefly experimented with DST in 2008 and 2009 but abandoned it due to mixed public reception and uncertain energy savings. As a result, PKT stays at UTC+5 all year, which actually simplifies international scheduling for Pakistani users — your clock never shifts, even when your foreign clients' clocks do.

How do I schedule a call with teammates in multiple time zones?

Pick a time in your zone, convert it to each participant's local time, and verify the call lands in reasonable working hours (roughly 8 AM to 6 PM) for everyone. With more than 3 or 4 zones, some compromise is inevitable — a common fairness trick is to rotate the 'inconvenient' zone across meetings so no single team always takes the 11 PM slot.

Does each city's time zone matter, or just the country's?

Sometimes city-specific, sometimes not. The US spans 6 time zones (plus Hawaii and Alaska); Russia has 11; Canada has 6; Australia has 3 main zones plus regional variations. Always pick the city closest to the person you're scheduling with. For single-zone countries like Pakistan, city selection doesn't matter — Karachi, Lahore, and Islamabad all share PKT. Don't assume one country equals one time zone; the US in particular catches people out.

What is UTC, and how does it relate to GMT?

UTC (Coordinated Universal Time) is the world's modern time reference. GMT (Greenwich Mean Time) is the historical predecessor and is technically slightly different in precise astronomical usage, but for everyday civil timekeeping the two are identical. All time zones are expressed as offsets from UTC — PKT is UTC+5, EST is UTC-5, JST is UTC+9. Use them interchangeably in casual conversation; nobody will misunderstand.

Is the converter accurate for historical dates?

Yes, for dates within the past century or so — the browser database includes historical offset data and past DST rules, including one-time adjustments (like Pakistan's brief DST experiment in 2008). Precision degrades for very old dates because before 1884 most places used local mean time based on sun position rather than standardized zones. For anything in living memory, the converter is reliable.

Can I use this for travel planning?

Absolutely. Before a trip, convert your departure and arrival times from home zone to destination to understand the time difference and plan meals, sleep, and meetings accordingly. For long-haul flights (PIA Karachi to Toronto, Emirates Dubai to LA), knowing when you'll land in local time helps you pre-adjust your sleep schedule and reduce jet lag. Pro tip: shift your bedtime by an hour each day for 3 days before departure if you're crossing more than 6 zones.

How do I handle meetings recorded for different zones?

Set the meeting in your local zone, then use this tool to send each participant a confirmation in their local time. Most calendar apps (Google Calendar, Outlook, Apple Calendar) handle this automatically once you set the time zone on the event — but this tool is faster for quick one-off conversions when you don't want to open the whole calendar.

Premium Converters

Time Zone Converter

Date & Time

Convert times across PKT, EST, GMT, IST, JST, GST, and any other world time zone with automatic Daylight Saving adjustments — ideal for scheduling international meetings.

Date & Time

Time Zone Converter

Generated on May 23, 2026

Date & Time

From Time Zone

To Time Zone

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Time Zone Conversion

Asia/Karachi → America/New_York · Saturday, May 23, 2026 at 7:50:00 PM EDT

Generated

5/23/2026

Asia/Karachi

Sunday, May 24, 2026 at 4:50:00 AM GMT+5

America/New_York

Saturday, May 23, 2026 at 7:50:00 PM EDT

Step-by-step calculation

Formula

Target = Source + (Target UTC-offset − Source UTC-offset)

1Source time = 2026-05-23 23:50 in Asia/Karachi (UTC+05:00)
2Target zone America/New_York = UTC−04:00
3Offset difference = UTC−04:00 − UTC+05:00 = -9.00 h
4Apply Intl.DateTimeFormat with timeZone option → DST and historical rules handled automatically.
5Result in America/New_York: Saturday, May 23, 2026 at 7:50:00 PM EDT

Quick Answer

Convert times across PKT, EST, GMT, IST, JST, GST, and any other world time zone with automatic Daylight Saving adjustments — ideal for scheduling international meetings.

Overview — Time Zone Converter

Date & Time

Formula

Converted Time = (Source Time − Source UTC Offset) + Target UTC Offset. DST adjustments are applied automatically per zone.

Pakistan is UTC+5 and does NOT observe DST, so the offset to other zones shifts seasonally (when they switch to DST).

India (IST) is 30 minutes ahead of Pakistan — one of the rare 30-minute offset zones in the world.

The world spans 26 time zones (accounting for 30 and 45-minute offsets), not just 24.

By Muhammad Salman SaleemUpdated: May 23, 2026MethodologyFree, no sign-upRuns in your browser — your data stays private

From the editors — what to know before you start

If your family is scattered across Karachi, Toronto, Dubai, and Manchester, you've already accidentally rung someone at 3 AM because you forgot whether London is currently 4 or 5 hours behind. The time zone converter exists precisely so that doesn't keep happening. It uses your browser's IANA database — the authoritative global source — which means daylight saving transitions, country-specific quirks, and historical offset changes are all handled automatically without you needing to remember any of them. Two specific landmines to know: Pakistan does not observe DST, so when Europe or the US 'spring forward' or 'fall back' in March and November, the gap between Karachi and London or New York shifts by an hour overnight without anything happening on your end. You discover this only when you're suddenly an hour off for the regular Sunday family Zoom. The second landmine: India is exactly 30 minutes ahead of Pakistan (IST is UTC+5:30 vs PKT UTC+5), making it one of very few half-hour zones in the world — a 10 AM Karachi call is 10:30 in Delhi or Mumbai, not 11. Most Western scheduling tools assume hour-aligned zones and silently get this wrong, which is the source of countless missed cross-border meetings. For Pakistani freelancers working US East Coast hours, the realistic overlap window is 6 to 9 PM Karachi against 8 to 11 AM New York — block those hours as recurring availability and you'll have a viable daily window. For West Coast US clients, the only honest overlap is late evening Karachi against morning California, which is genuinely brutal long-term.

Pro tips most people learn the hard way

Pakistan does not observe DST. When the US and Europe change clocks in March and November, the offset between Karachi and New York shifts by an hour overnight — without anything changing on your side. Pin both cities in the World Clock and you'll see the gap move automatically rather than discovering it the morning of an important call.
India is 30 minutes ahead of Pakistan, not a full hour. IST is UTC+5:30 vs PKT UTC+5. A 10 AM Karachi call is 10:30 in Delhi or Mumbai. Most Western scheduling tools get this wrong because they assume hour-aligned zones — manually adjust when scheduling with Indian colleagues, friends, or family.
For Pakistan to US East Coast remote work, the realistic overlap window is 6 to 9 PM Karachi against 8 to 11 AM New York. Block those hours as recurring availability and you have a sustainable daily window. For West Coast clients, the overlap is genuinely brutal and usually requires one side accepting unsocial hours permanently.
Dubai is exactly 1 hour behind Karachi year-round (UAE doesn't observe DST either), so PK to UAE scheduling is the easiest international coordination Pakistani professionals do. A 10 AM Karachi call is 9 AM Dubai, no math, no DST surprises, no quarterly clock chaos.
Saudi Arabia is 2 hours behind Karachi (UTC+3). For Hajj, Umrah, or family in the Kingdom, the offset is constant year-round. A common scheduling mistake: assuming Saudi and Dubai share the same time — they don't, Dubai is one hour ahead of Riyadh.

?What is the Time Zone Converter?

A time zone converter shows what a given time in one city or zone corresponds to in another — essential for scheduling international meetings, remote work with global teams, travel planning, and coordinating video calls across continents. It uses the browser's Intl.DateTimeFormat API, which is backed by the IANA time zone database, so daylight saving time transitions, historical offset changes, and region-specific rules are all handled automatically without manual adjustments. Essential for anyone collaborating internationally or following global events.

The Formula

Converted Time = (Source Time − Source UTC Offset) + Target UTC Offset. DST adjustments are applied automatically per zone.

Every time zone is defined as an offset from Coordinated Universal Time (UTC). The conversion first translates the source time to UTC by subtracting the source zone's current offset (which may include DST), then adds the target zone's current offset to express the time in the target zone's local clock. The browser's time zone database provides the exact offset for any date (because some zones change offsets over the year due to DST), making the conversion accurate down to the minute.

Major World Time Zones — UTC Offsets & Relation to Karachi (PKT)

Common time zones with their UTC offset and difference from Karachi (Pakistan Standard Time, UTC+5). DST adjustments apply to zones marked with *.

City	Time Zone	UTC Offset	vs Karachi (PKT)
Los Angeles*	PST/PDT	UTC−8 / −7	−13 / −12 hrs
New York*	EST/EDT	UTC−5 / −4	−10 / −9 hrs
São Paulo	BRT	UTC−3	−8 hrs
London*	GMT/BST	UTC+0 / +1	−5 / −4 hrs
Berlin / Paris*	CET/CEST	UTC+1 / +2	−4 / −3 hrs
Cairo	EET	UTC+2	−3 hrs
Dubai / Riyadh	GST/AST	UTC+4 / +3	−1 / −2 hrs
Karachi / Islamabad	PKT	UTC+5	Same
Delhi / Mumbai	IST	UTC+5:30	+30 min
Dhaka	BST	UTC+6	+1 hr
Singapore	SGT	UTC+8	+3 hrs
Tokyo	JST	UTC+9	+4 hrs
Sydney*	AEST/AEDT	UTC+10 / +11	+5 / +6 hrs

Put It in Perspective

Pakistan is UTC+5 and does NOT observe DST, so the offset to other zones shifts seasonally (when they switch to DST).

India (IST) is 30 minutes ahead of Pakistan — one of the rare 30-minute offset zones in the world.

The world spans 26 time zones (accounting for 30 and 45-minute offsets), not just 24.

UTC and GMT are practically identical for everyday use; scientifically GMT refers to sun-based time, UTC to atomic time.

Practical Examples

10:00 AM Karachi equals 1:00 AM New York during US summer (EDT, UTC−4) or 12:00 midnight during winter (EST, UTC−5) — DST shifts the answer by an hour.

9:00 AM London in summer (BST, UTC+1) equals 1:00 PM Karachi; in winter (GMT, UTC+0) equals 2:00 PM Karachi.

6:00 PM Sydney (AEDT, UTC+11) equals 1:00 PM Karachi during Australian daylight saving; AEST (UTC+10) equals 12:00 noon.

3:00 PM Dubai (UTC+4) equals 4:00 PM Karachi — both zones do not observe DST, so the 1-hour offset is constant year-round.

10:00 AM San Francisco (PDT, UTC−7) equals 10:00 PM Karachi — a classic West Coast US to Pakistan overlap challenge for remote teams.

Scheduling a call with teammates in 5 different zones typically means finding the only 2-hour window where everyone is awake — this tool helps find that window.

Frequently Asked Questions

Yes. Using the browser's built-in IANA time zone database, DST transitions apply automatically for countries that observe them — US (except Arizona and Hawaii), Europe, Australia, New Zealand, and a few others. The tool returns the correct wall-clock time for any given date, even when source and target zones are in different DST states. The headache of remembering 'is the UK on summer time right now?' is handled for you.

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Premium Converters

Time Zone Converter

Date & Time

Convert times across PKT, EST, GMT, IST, JST, GST, and any other world time zone with automatic Daylight Saving adjustments — ideal for scheduling international meetings.

Date & Time

Time Zone Converter

Generated on May 23, 2026

Date & Time

From Time Zone

To Time Zone

Save / share— download or share to WhatsApp, Facebook & more

Premium Converters

Time Zone Conversion

Asia/Karachi → America/New_York · Saturday, May 23, 2026 at 7:50:00 PM EDT

Generated

5/23/2026

Asia/Karachi

Sunday, May 24, 2026 at 4:50:00 AM GMT+5

America/New_York

Saturday, May 23, 2026 at 7:50:00 PM EDT

Step-by-step calculation

Formula

Target = Source + (Target UTC-offset − Source UTC-offset)

1Source time = 2026-05-23 23:50 in Asia/Karachi (UTC+05:00)
2Target zone America/New_York = UTC−04:00
3Offset difference = UTC−04:00 − UTC+05:00 = -9.00 h
4Apply Intl.DateTimeFormat with timeZone option → DST and historical rules handled automatically.
5Result in America/New_York: Saturday, May 23, 2026 at 7:50:00 PM EDT

Quick Answer

Convert times across PKT, EST, GMT, IST, JST, GST, and any other world time zone with automatic Daylight Saving adjustments — ideal for scheduling international meetings.

Overview — Time Zone Converter

Date & Time

Formula

Converted Time = (Source Time − Source UTC Offset) + Target UTC Offset. DST adjustments are applied automatically per zone.

Pakistan is UTC+5 and does NOT observe DST, so the offset to other zones shifts seasonally (when they switch to DST).

India (IST) is 30 minutes ahead of Pakistan — one of the rare 30-minute offset zones in the world.

The world spans 26 time zones (accounting for 30 and 45-minute offsets), not just 24.

By Muhammad Salman SaleemUpdated: May 23, 2026MethodologyFree, no sign-upRuns in your browser — your data stays private

From the editors — what to know before you start

Pro tips most people learn the hard way

Pakistan does not observe DST. When the US and Europe change clocks in March and November, the offset between Karachi and New York shifts by an hour overnight — without anything changing on your side. Pin both cities in the World Clock and you'll see the gap move automatically rather than discovering it the morning of an important call.
India is 30 minutes ahead of Pakistan, not a full hour. IST is UTC+5:30 vs PKT UTC+5. A 10 AM Karachi call is 10:30 in Delhi or Mumbai. Most Western scheduling tools get this wrong because they assume hour-aligned zones — manually adjust when scheduling with Indian colleagues, friends, or family.
For Pakistan to US East Coast remote work, the realistic overlap window is 6 to 9 PM Karachi against 8 to 11 AM New York. Block those hours as recurring availability and you have a sustainable daily window. For West Coast clients, the overlap is genuinely brutal and usually requires one side accepting unsocial hours permanently.
Dubai is exactly 1 hour behind Karachi year-round (UAE doesn't observe DST either), so PK to UAE scheduling is the easiest international coordination Pakistani professionals do. A 10 AM Karachi call is 9 AM Dubai, no math, no DST surprises, no quarterly clock chaos.
Saudi Arabia is 2 hours behind Karachi (UTC+3). For Hajj, Umrah, or family in the Kingdom, the offset is constant year-round. A common scheduling mistake: assuming Saudi and Dubai share the same time — they don't, Dubai is one hour ahead of Riyadh.

?What is the Time Zone Converter?

The Formula

Converted Time = (Source Time − Source UTC Offset) + Target UTC Offset. DST adjustments are applied automatically per zone.

Major World Time Zones — UTC Offsets & Relation to Karachi (PKT)

Common time zones with their UTC offset and difference from Karachi (Pakistan Standard Time, UTC+5). DST adjustments apply to zones marked with *.

City	Time Zone	UTC Offset	vs Karachi (PKT)
Los Angeles*	PST/PDT	UTC−8 / −7	−13 / −12 hrs
New York*	EST/EDT	UTC−5 / −4	−10 / −9 hrs
São Paulo	BRT	UTC−3	−8 hrs
London*	GMT/BST	UTC+0 / +1	−5 / −4 hrs
Berlin / Paris*	CET/CEST	UTC+1 / +2	−4 / −3 hrs
Cairo	EET	UTC+2	−3 hrs
Dubai / Riyadh	GST/AST	UTC+4 / +3	−1 / −2 hrs
Karachi / Islamabad	PKT	UTC+5	Same
Delhi / Mumbai	IST	UTC+5:30	+30 min
Dhaka	BST	UTC+6	+1 hr
Singapore	SGT	UTC+8	+3 hrs
Tokyo	JST	UTC+9	+4 hrs
Sydney*	AEST/AEDT	UTC+10 / +11	+5 / +6 hrs

Put It in Perspective

Pakistan is UTC+5 and does NOT observe DST, so the offset to other zones shifts seasonally (when they switch to DST).

India (IST) is 30 minutes ahead of Pakistan — one of the rare 30-minute offset zones in the world.

The world spans 26 time zones (accounting for 30 and 45-minute offsets), not just 24.

UTC and GMT are practically identical for everyday use; scientifically GMT refers to sun-based time, UTC to atomic time.

Practical Examples

10:00 AM Karachi equals 1:00 AM New York during US summer (EDT, UTC−4) or 12:00 midnight during winter (EST, UTC−5) — DST shifts the answer by an hour.

9:00 AM London in summer (BST, UTC+1) equals 1:00 PM Karachi; in winter (GMT, UTC+0) equals 2:00 PM Karachi.

6:00 PM Sydney (AEDT, UTC+11) equals 1:00 PM Karachi during Australian daylight saving; AEST (UTC+10) equals 12:00 noon.

3:00 PM Dubai (UTC+4) equals 4:00 PM Karachi — both zones do not observe DST, so the 1-hour offset is constant year-round.

10:00 AM San Francisco (PDT, UTC−7) equals 10:00 PM Karachi — a classic West Coast US to Pakistan overlap challenge for remote teams.

Scheduling a call with teammates in 5 different zones typically means finding the only 2-hour window where everyone is awake — this tool helps find that window.

Frequently Asked Questions

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Count business days between two dates, excluding Saturdays and Sundays, with customizable workweeks (Mon–Fri, Mon–Sat, or Sun–Thu) for HR leave tracking and T+3 settlement.

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Live countdown to any future date and time, ticking down in days, hours, minutes, and seconds — perfect for weddings, exam dates, product launches, Ramadan, and Eid.

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Add or subtract any number of days, weeks, months, or years from any starting date with automatic handling of leap years, month-end rollovers, and Net-30 invoice terms.

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Calculate elapsed time between two clock times in hours, minutes, total minutes, and decimal hours — with automatic overnight crossings for night shifts, payroll, and freelance billing.

Pomodoro Timer

Focus timer with 25-min work sessions, 5-min breaks, and a long break every 4 cycles. Customizable durations + sound.

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Time Zone Converter — times across PKT | Premium Converters

Premium Converters

Premium Converters

Time Zone Converter

Time Zone Converter

Time Zone Conversion

Step-by-step calculation

Overview — Time Zone Converter

From the editors — what to know before you start

Pro tips most people learn the hard way

?What is the Time Zone Converter?

The Formula

Major World Time Zones — UTC Offsets & Relation to Karachi (PKT)

Put It in Perspective

Practical Examples

Frequently Asked Questions

Popular Conversions

Embed this calculator on your site

Browse other categories

Premium Converters

Time Zone Converter

Time Zone Converter

Time Zone Conversion

Step-by-step calculation

Overview — Time Zone Converter

From the editors — what to know before you start

Pro tips most people learn the hard way

?What is the Time Zone Converter?

The Formula

Major World Time Zones — UTC Offsets & Relation to Karachi (PKT)

Put It in Perspective

Practical Examples

Frequently Asked Questions

Popular Conversions

Embed this calculator on your site

Browse other categories

Premium Converters

Premium Converters

Time Zone Converter

Time Zone Converter

Step-by-step calculation

Overview — Time Zone Converter

From the editors — what to know before you start

Pro tips most people learn the hard way

?What is the Time Zone Converter?

The Formula

Major World Time Zones — UTC Offsets & Relation to Karachi (PKT)

Put It in Perspective

Practical Examples

Frequently Asked Questions

Does the converter handle Daylight Saving Time (DST)?

Why is Pakistan's offset (UTC+5) constant year-round?

How do I schedule a call with teammates in multiple time zones?

Does each city's time zone matter, or just the country's?

What is UTC, and how does it relate to GMT?

Is the converter accurate for historical dates?

Can I use this for travel planning?

How do I handle meetings recorded for different zones?

Popular Conversions

Embed this calculator on your site

More Date & Time Tools

Browse other categories

Premium Converters

Time Zone Converter

Time Zone Converter

Step-by-step calculation

Overview — Time Zone Converter

From the editors — what to know before you start

Pro tips most people learn the hard way

?What is the Time Zone Converter?

The Formula

Major World Time Zones — UTC Offsets & Relation to Karachi (PKT)

Put It in Perspective

Practical Examples

Frequently Asked Questions

Does the converter handle Daylight Saving Time (DST)?

Why is Pakistan's offset (UTC+5) constant year-round?

How do I schedule a call with teammates in multiple time zones?

Does each city's time zone matter, or just the country's?

What is UTC, and how does it relate to GMT?

Is the converter accurate for historical dates?

Can I use this for travel planning?

How do I handle meetings recorded for different zones?

Popular Conversions

Embed this calculator on your site

More Date & Time Tools

Browse other categories