PKT to JST
+4hPKT
PKTSOURCEJST
JSTGreen rows indicate typical business hours (9 AM - 5 PM)
PKT and JST on the World Map
The map below highlights the PKT (Pakistan Standard Time) and JST (Japan Standard Time) timezone regions across the globe.
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).
JST – Japan Standard Time
UTC+09:00Japan Standard Time (JST) is the time zone for Japan, 9 hours ahead of UTC.
- •Japan does not observe daylight saving time.
- •Tokyo is the most populous metropolitan area in the world.
- •The Tokyo Stock Exchange operates from 9:00 AM to 3:00 PM JST.
- •JST is 14 hours ahead of EST and 9 hours ahead of GMT.
Time Conversion Guide: PKT to JST
PKT runs on Pakistan Standard Time (PKT) at UTC+05:00. JST runs on Japan Standard Time (JST) at UTC+09:00. That puts PKT 4 hours ahead of JST — a difference of +4h at the current offsets.
In practice, when it is 9:00 AM in PKT it is 1:00 PM in JST. Midnight in PKT is 4:00 AM in JST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
PKT to JST time conversion table
| PKT (PKT) | JST (JST) | Day |
|---|---|---|
| 12:00 AM | 4:00 AM | same day |
| 6:00 AM | 10:00 AM | same day |
| 7:00 AM | 11:00 AM | same day |
| 8:00 AM | 12:00 PM | same day |
| 9:00 AM | 1:00 PM | same day |
| 12:00 PM | 4:00 PM | same day |
| 3:00 PM | 7:00 PM | same day |
| 5:00 PM | 9:00 PM | same day |
| 6:00 PM | 10:00 PM | same day |
| 9:00 PM | 1:00 AM | next day |
Why people convert PKT to JST time
- Scheduling a call from PKT to JST: a 10:00 AM start in PKT lands at 2:00 PM in JST, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both PKT and JST are inside the 9-to-5 working day between 9:00 AM and 1:00 PM PKT time (1:00 PM–5:00 PM JST). That is roughly 4 hours of usable overlap.
- Booking travel or deliveries: tracking JST local time against PKT keeps pickup windows and arrival estimates honest across the +4h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM PKT" is unambiguous; "3 PM" across a +4h gap is not.
- Block 9:00 AM–1:00 PM PKT as the recurring meeting window if you work primarily from PKT and need JST colleagues present.
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.
About JST (Japan Standard Time)
Japan Standard Time (JST) is the standard time zone for all of Japan. Japan does not observe daylight saving time. JST is 9 hours ahead of UTC and 14 hours ahead of EST. The Tokyo Stock Exchange, the world's third largest by market capitalization, operates on JST. South Korea uses the same offset (KST) but it is a distinct time zone.
Best time to call between PKT and JST
Both PKT and JST sit inside the 9 AM – 5 PM working day between 9:00 AM–1:00 PM PKT, which is 1:00 PM–5:00 PM JST. That gives roughly 4 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
PKT and JST overlap for about 4 hours during the working day — enough for meetings if you avoid the edges of the window.
PKT is 4 hours ahead of JST (PKT UTC+05:00 → JST UTC+09:00). The shared working window is 9:00 AM–1:00 PM PKT. 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 PKT and JST?
PKT (PKT, UTC+05:00) is 4 hours ahead of JST (JST, UTC+09:00). The gap is currently +4h.
How do I convert PKT time to JST time?
Add +4h to PKT local time. For example, 9:00 AM in PKT is 1:00 PM in JST.
What time is it in JST right now?
JST uses JST at UTC+09:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +4h offset from PKT.
What is the best time to call JST from PKT?
Call between 9:00 AM and 1:00 PM PKT — that maps to 1:00 PM–5:00 PM JST and keeps both parties inside the working day.
Which is ahead, PKT or JST?
PKT is 4 hours ahead of JST. When it is 12:00 PM in PKT it is 4:00 PM in JST.
Does daylight saving time affect the PKT–JST difference?
Neither zone observes daylight saving time, so the +4h offset between PKT and JST is fixed all year.
Which other cities share PKT's time zone?
PKT also covers Karachi, Lahore, Islamabad, Rawalpindi, Faisalabad, Peshawar.
Which countries use PKT, PKT's zone?
PKT is used in Pakistan.
Is there a day difference between PKT and JST?
Not normally. The +4h gap only pushes the date over for late-evening times.
What is the time difference between PKT and JST?
JST is +4h from PKT.
What timezone is PKT in?
PKT operates on its local timezone.
What timezone is JST in?
JST operates on its local timezone.
Which countries use PKT (Pakistan Standard Time)?
PKT is used in Pakistan.
Does PKT observe daylight saving time?
No, PKT does not observe daylight saving time and remains at UTC+05:00 year-round.
What are some interesting facts about PKT?
Pakistan does not observe daylight saving time. Karachi is one of the world's most populous cities.
Which cities are in the JST timezone?
Major cities in the JST timezone include Tokyo, Osaka, Yokohama, Nagoya, Sapporo, Kyoto, Kobe, Fukuoka.
What is the UTC offset for JST?
Japan Standard Time (JST) is at UTC+09:00.
What should I know about the JST timezone?
Japan does not observe daylight saving time. Tokyo is the most populous metropolitan area in the world.
When is it midnight in PKT, what time is it in JST?
When it is 12:00 AM (midnight) in PKT (PKT), it is +4h later in JST (JST).
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