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Tokyo to Asunción Time

JST to PYT Converter — 9 AM JST is 8:00 PM PYT

Tokyo is 13 hours ahead of Asunción. Convert any time between Tokyo (JST) and Asunción (PYT/PYST) instantly.

Tokyo

Japan

JST
UTC+9 · JST

Asunción

Paraguay

PYT/PYST
UTC-4 · PYT/PYST
Tokyo is 13 hours ahead of Asunción.

Add Time Zones to Compare

Tokyo(UTC+9)
Asunción(UTC-4)

Time Zone Comparison

Tokyo
9:00 PM
Japan · JST
12:00 PM
12amNight
1amNight
2amNight
3amNight
4amNight
5amNight
6amNight
7amNight
8amNight
9amWorking hours
10amWorking hours
11amWorking hours
12pmWorking hours
1pmWorking hours
2pmWorking hours
3pmWorking hours
4pmWorking hours
5pmEvening
6pmEvening
7pmEvening
8pmEvening
9pmNight
10pmNight
11pmNight
Asunción
9:00 AM
Paraguay · PYT/PYST
12:00 AM
12pmWorking hours
1pmWorking hours
2pmWorking hours
3pmWorking hours
4pmWorking hours
5pmEvening
6pmEvening
7pmEvening
8pmEvening
9pmNight
10pmNight
11pmNight
12amNight
1amNight
2amNight
3amNight
4amNight
5amNight
6amNight
7amNight
8amNight
9amWorking hours
10amWorking hours
11amWorking hours
Working
Evening
Night
Now
Selected Time
Minutes:
Tokyo12:00 PM
Asunción12:00 AM

Tokyo to Asunción Time Conversion Table

Tokyo (JST)Asunción (PYT)
12:00 AM12:00 PM
2:00 AM2:00 PM
4:00 AM4:00 PM
6:00 AM6:00 PM
8:00 AM8:00 PM
10:00 AM10:00 PM
12:00 PM12:00 AM
2:00 PM2:00 AM
4:00 PM4:00 AM
6:00 PM6:00 AM
8:00 PM8:00 AM
10:00 PM10:00 AM
Working hours (9 AM - 5 PM)
Evening (5 PM - 9 PM)
Night

Tokyo & Asunción — Business & Scheduling Guide

Tokyo is the economic heart of the world's third-largest economy, known for automotive (Toyota, Honda), electronics (Sony), robotics, gaming (Nintendo), and precision manufacturing. Asunción (Paraguay) is a South American economy with competitive energy costs, known for agriculture (soy, beef), hydroelectric power, and manufacturing. With a 13-hour time difference, professionals frequently schedule cross-border calls between these two cities for international trade, remote team collaboration, and client meetings.

Scheduling Meetings Between Tokyo and Asunción

With Asunción 13 hours behind Tokyo, there is minimal overlap in standard business hours. Most teams alternate meeting times to share the burden of early-morning or late-evening calls fairly. Japanese business culture places high value on respect and hierarchy, with typical hours of 9 AM–6 PM. Paraguayan business hours are typically 8 AM–5 PM, with Asunción as the primary commercial center. Consider recording meetings for those who can't attend live, and use shared documents for async collaboration.

Daylight Saving Time Considerations

Asunción observes Daylight Saving Time (PYT/PYST), while Tokyo stays on JST year-round. When Asunción switches to daylight time, the effective time difference shifts by 1 hour. This typically happens in spring and fall, and the exact dates vary by country. If you have recurring cross-timezone meetings, recalculate the schedule after each DST transition.

Collaboration Tools & Workflow

With a 13-hour time difference, Tokyo and Asunción teams operate in a near "follow-the-sun" model. When one team logs off, the other picks up — enabling near-24-hour productivity on shared projects. The key challenge is handoff quality: teams should document decisions in shared tools (Notion, Confluence, Linear), record video updates with Loom, and write thorough pull request descriptions. Weekly all-hands meetings require someone to take an early morning or late evening call, so the best practice is to rotate this burden fairly between Tokyo and Asunción.

Remote Work Between Tokyo & Asunción

Tokyo, automotive (Toyota, and Asunción, a key city in Paraguay, represent a common corridor for distributed teams navigating a 13-hour time difference. Remote workers and freelancers operating between these cities should plan their day around the overlap window — typically the late morning for one city and early morning or late afternoon for the other. Using a world clock widget, setting Slack status with local time, and blocking "no-meeting" deep work hours outside the overlap are essential practices for productive cross-timezone remote collaboration between Tokyo and Asunción.

JST to PYT — Quick Reference

JST (JST) stands for the timezone used in Tokyo, Japan (UTC+9). PYT (PYT/PYST) is the timezone used in Asunción, Paraguay (UTC-4). Tokyo is 13 hours ahead of Asunción.

To convert JST to PYT, subtract 13 hours from JST time. For example, JST 9:00 AM = PYT 8:00 PM (previous day).

Key Facts

  • Time difference: Tokyo (UTC+9) is 13 hours ahead of Asunción (UTC-4).
  • Daylight Saving Time: Tokyo does not observe DST (JST). Asunción observes DST (PYT/PYST).
  • Regions: Tokyo is located in Japan and uses the JST time zone. Asunción is located in Paraguay and uses the PYT/PYST time zone.
  • Best time to call: There are no overlapping standard work hours (9 AM - 5 PM) between these two cities.

Frequently Asked Questions

What is the time difference between Tokyo and Asunción?

Tokyo is 13 hours ahead of Asunción.

What time is it in Asunción when it's 9 AM in Tokyo?

When it's 9:00 AM in Tokyo, it is 8:00 PM in Asunción (previous day).

What time is 9 PM JST in PYT?

9 PM JST (Tokyo time) is 8:00 AM PYT (Asunción time). This is a common time people check when scheduling evening calls across these two time zones.

When is the best time to schedule a meeting between Tokyo and Asunción?

There are no overlapping standard work hours (9 AM - 5 PM) between these two cities.

How do I convert JST to PYT?

JST (JST) is the timezone for Tokyo, Japan (UTC+9). PYT (PYT/PYST) is the timezone for Asunción, Paraguay (UTC-4). Tokyo is 13 hours ahead of Asunción. Quick examples: 9 AM JST = 8:00 PM PYT, 12 PM JST = 11:00 PM PYT, 3 PM JST = 2:00 AM PYT, 6 PM JST = 5:00 AM PYT.

Is Tokyo ahead of or behind Asunción?

Tokyo is 13 hours ahead of Asunción. When it's noon in Tokyo, it's 11:00 PM in Asunción (previous day).

Does Tokyo or Asunción change clocks for Daylight Saving Time?

No, Tokyo does not observe DST — it stays on JST year-round. Asunción observes DST and switches between PYT/PYST. Because only one city observes DST, the time difference shifts by 1 hour during transition periods (typically March/April and October/November).

What time is noon in Tokyo in Asunción time?

When it is 12:00 PM (noon) in Tokyo (JST), it is 11:00 PM in Asunción (PYT) (previous day). This is often a popular time for scheduling lunch-hour calls across the Tokyo–Asunción corridor.

What are the overlapping work hours between Tokyo and Asunción?

There are no overlapping standard work hours (9 AM - 5 PM) between these two cities. This makes real-time collaboration challenging — most teams between Tokyo and Asunción rely on asynchronous communication (Slack, Loom, email) and rotate meeting times to share the inconvenience fairly.

What timezone is Tokyo in?

Tokyo is in the JST time zone (UTC+9). It is located in Japan. Tokyo does not observe Daylight Saving Time.

What timezone is Asunción in?

Asunción is in the PYT/PYST time zone (UTC-4). It is located in Paraguay. Asunción observes Daylight Saving Time, switching between PYT/PYST.

How do I schedule a call between Tokyo and Asunción?

Since there are no standard overlapping work hours between Tokyo and Asunción, the best approach is to alternate meeting times. One week, the Tokyo team takes an early/late call; the next week, the Asunción team does. Use a scheduling tool like Calendly or Google Calendar with multiple time zones enabled to find the least disruptive time for both sides.

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