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

Pakistan Standard Time (PKT) does not observe DST. Pakistan briefly experimented with DST in 2008 and 2009 but abandoned it due to mixed public reception. As a result, PKT is UTC+5 all year, which simplifies international scheduling for Pakistani users — your clock never shifts.

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 using this tool, and verify the call falls during reasonable working hours (roughly 8 AM to 6 PM) for everyone. With more than 3–4 zones, some compromise is usually required — a common trick is to rotate the 'inconvenient' zone across meetings so no single team bears the burden.

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

Sometimes city-specific. The United States spans 6 time zones (plus Hawaii and Alaska), Russia has 11, Canada has 6, and Australia has 3 main zones plus specifically observed variations. Always pick the city closest to the person you are scheduling with. For a single-zone country like Pakistan, city selection does not matter — Karachi, Lahore, and Islamabad all share the same time.

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

UTC (Coordinated Universal Time) is the world's 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.

Is the converter accurate for historical dates?

Yes for dates within the past century or so — browser databases include historical offset data, including past DST rules and one-time adjustments (for example, when Pakistan briefly tried DST in 2008). Precision degrades for very old dates because before 1884 most places used local mean time based on sun position, not standardized zones.

Can I use this for travel planning?

Absolutely. Before a trip, convert your departure and arrival times from your home zone to the destination zone to understand how much time difference to expect and plan meals, sleep, and meetings accordingly. For long-haul flights, knowing 'when will I land in local time' helps combat jet lag by pre-adjusting your schedule.

How do I handle meetings recorded for different zones?

Record the meeting in your zone, then use this tool to advertise the time in each participant's zone so everyone knows what 'their local time' the meeting happens in. Many calendar apps (Google Calendar, Outlook, Apple Calendar) do this automatically — but this tool is faster for quick one-off conversions without opening a calendar.

Time Zone Converter

Date & Time

Convert time between any two cities or time zones worldwide.

Date & Time

Time Zone Converter

Generated on April 24, 2026

Date & Time

From Time Zone

To Time Zone

Asia/Karachi

Friday, April 24, 2026 at 6:55:00 PM GMT+5

America/New_York

Friday, April 24, 2026 at 9:55:00 AM EDT

Step-by-step calculation

Formula

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

1Source time = 2026-04-24 13:55 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: Friday, April 24, 2026 at 9:55:00 AM EDT

?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.

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 time zone database, DST transitions are applied automatically for countries that observe them — US (except Arizona and Hawaii), Europe, Australia, New Zealand, and a few others. The tool always returns the correct wall-clock time for any given date, even when the source and target zones are in different DST states.

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Time Zone Converter

Time Zone Converter

Step-by-step calculation

?What is the Time Zone Converter?

The Formula

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?

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