Karachi time to Tokyo time
Tokyo is 4 hours ahead of Karachi all year (Karachi GMT+5/UTC+05:00 in summer; Tokyo GMT+9/UTC+09:00). Enter a Karachi time below to convert it, or leave it blank to see the current time in both cities.
How to use the Karachi to Tokyo time
- Type a Karachi time (24-hour) and optionally a date, or leave blank for now.
- Click Convert.
- Read the Tokyo time and the working-hours table.
Time difference between Karachi and Tokyo
Tokyo is 4 hours ahead of Karachi all year. Neither city changes its clocks, so the difference is the same all year. Karachi uses Asia/Karachi time (UTC+05:00 in January, UTC+05:00 in July); Tokyo uses Asia/Tokyo (UTC+09:00 in January, UTC+09:00 in July).
Working week in Karachi and Tokyo
Karachi: Pakistan Standard Time, UTC+5 all year. Office hours 09:00–17:00 or 10:00–18:00; weekend Saturday–Sunday, with a shorter Friday for Jummah prayers. Banks and government close early on Friday.
Tokyo: Japan Standard Time, UTC+9 all year; Japan has never adopted daylight saving. Office hours 09:00–18:00, weekend Saturday–Sunday; Golden Week (late April–early May) and Obon (mid-August) are holiday periods.
Quick conversion table (summer difference)
| Karachi | Tokyo |
|---|---|
| 08:00 | 12:00 |
| 09:00 | 13:00 |
| 10:00 | 14:00 |
| 12:00 | 16:00 |
| 14:00 | 18:00 |
| 16:00 | 20:00 |
| 18:00 | 22:00 |
| 20:00 | 00:00 (next day) |
| 22:00 | 02:00 (next day) |
Table uses the July difference; the tool above applies the exact rule for any date.
Best time to call between Karachi and Tokyo
Within normal office hours (09:00–18:00) in both cities: 9:00–13:00 Karachi time. For a compromise outside that window, the fairest slots are the ones nearest each side's start or end of day, alternating who takes the inconvenient hour.
Reverse
Need the other direction? See Tokyo to Karachi, or the general time zone converter.
Frequently asked questions
How many hours ahead is Tokyo from Karachi?
Tokyo is 4 hours ahead of Karachi all year.
When it is 12:00 noon in Karachi, what time is it in Tokyo?
16:00 in summer (); use the tool for a specific date.
Does the converter handle daylight saving?
Yes, for the exact date you enter, using the IANA time-zone rules in your browser.
Privacy
This tool runs entirely inside your browser using WebAssembly and the Canvas/File APIs. Your files are never uploaded to ToolFlint or any third party; you can verify this in your browser's network tab or by switching to airplane mode after the page loads. Read how we process files.
Last updated 2026-09-23.