JST to PKT
-4hJST
JSTSOURCEPKT
PKTGreen rows indicate typical business hours (9 AM - 5 PM)
JST and PKT on the World Map
The map below highlights the JST (Japan Standard Time) and PKT (Pakistan Standard Time) timezone regions across the globe.
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.
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).
Understanding the -4h Gap: JST vs PKT
JST runs on Japan Standard Time (JST) at UTC+09:00. PKT runs on Pakistan Standard Time (PKT) at UTC+05:00. That puts JST 4 hours behind PKT — a difference of -4h at the current offsets.
In practice, when it is 9:00 AM in JST it is 5:00 AM in PKT. Midnight in JST is 8:00 PM in PKT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
JST to PKT time conversion table
| JST (JST) | PKT (PKT) | Day |
|---|---|---|
| 12:00 AM | 8:00 PM | previous day |
| 6:00 AM | 2:00 AM | same day |
| 7:00 AM | 3:00 AM | same day |
| 8:00 AM | 4:00 AM | same day |
| 9:00 AM | 5:00 AM | same day |
| 12:00 PM | 8:00 AM | same day |
| 3:00 PM | 11:00 AM | same day |
| 5:00 PM | 1:00 PM | same day |
| 6:00 PM | 2:00 PM | same day |
| 9:00 PM | 5:00 PM | same day |
Why people convert JST to PKT time
- Scheduling a call from JST to PKT: a 10:00 AM start in JST lands at 6:00 AM in PKT, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both JST and PKT are inside the 9-to-5 working day between 1:00 PM and 5:00 PM JST time (9:00 AM–1:00 PM PKT). That is roughly 4 hours of usable overlap.
- Watching a live event or market open: JST viewers need 5:00 AM in PKT to catch a 9:00 AM start there, and 4:00 AM if the event is anchored to JST.
- Always state the zone abbreviation, not just the hour. "3:00 PM JST" is unambiguous; "3 PM" across a -4h gap is not.
- Block 1:00 PM–5:00 PM JST as the recurring meeting window if you work primarily from JST and need PKT colleagues present.
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.
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 JST and PKT
Both JST and PKT sit inside the 9 AM – 5 PM working day between 1:00 PM–5:00 PM JST, which is 9:00 AM–1:00 PM PKT. That gives roughly 4 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
JST and PKT overlap for about 4 hours during the working day — enough for meetings if you avoid the edges of the window.
JST is 4 hours behind PKT (JST UTC+09:00 → PKT UTC+05:00). The shared working window is 1:00 PM–5:00 PM JST. 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 JST and PKT?
JST (JST, UTC+09:00) is 4 hours behind PKT (PKT, UTC+05:00). The gap is currently -4h.
How do I convert JST time to PKT time?
Add -4h to JST local time. For example, 9:00 AM in JST is 5:00 AM in PKT.
What time is it in PKT right now?
PKT 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 -4h offset from JST.
What is the best time to call PKT from JST?
Call between 1:00 PM and 5:00 PM JST — that maps to 9:00 AM–1:00 PM PKT and keeps both parties inside the working day.
Which is behind, JST or PKT?
JST is 4 hours behind PKT. When it is 12:00 PM in JST it is 8:00 AM in PKT.
Does daylight saving time affect the JST–PKT difference?
Neither zone observes daylight saving time, so the -4h offset between JST and PKT is fixed all year.
Which other cities share JST's time zone?
JST also covers Tokyo, Osaka, Yokohama, Nagoya, Sapporo, Kyoto, Kobe, Fukuoka and 1 more.
Which countries use JST, JST's zone?
JST is used in Japan.
Is there a day difference between JST and PKT?
Not normally. The -4h gap only pushes the date over the previous day.
What is the time difference between JST and PKT?
PKT is -4h from JST.
What timezone is JST in?
JST operates on its local timezone.
What timezone is PKT in?
PKT operates on its local timezone.
Which countries use JST (Japan Standard Time)?
JST is used in Japan.
Does JST observe daylight saving time?
No, JST does not observe daylight saving time and remains at UTC+09:00 year-round.
What are some interesting facts about JST?
Japan does not observe daylight saving time. Tokyo is the most populous metropolitan area in the world.
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 JST, what time is it in PKT?
When it is 12:00 AM (midnight) in JST (JST), it is -4h later in PKT (PKT).
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See every conversion from JST →·See every conversion from PKT →