What is the time difference between Tokyo and Kathmandu?

Kathmandu is 3 hours 15 minutes behind Tokyo. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.

When is the best time to call Kathmandu from Tokyo?

Between 12:15–18:00 in Tokyo, which is 09:00–14:45 in Kathmandu. That is the only stretch where both cities are inside a 09:00–18:00 day.

Does Tokyo observe daylight saving time?

No. Tokyo stays on UTC+9 all year, so its clocks never move.

Does Kathmandu observe daylight saving time?

No. Kathmandu stays on UTC+5:45 all year, so its clocks never move.

If it is midday in Tokyo, what time is it in Kathmandu?

It is 08:45 in Kathmandu, on the same calendar date. That holds for the current offsets; it does not change through the year, because neither city moves its clocks.

Which time zones do Tokyo and Kathmandu use?

Tokyo uses Asia/Tokyo, currently UTC+9, and Kathmandu uses Asia/Kathmandu, currently UTC+5:45. Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert Tokyo time to Kathmandu time

Kathmandu is 3 hours 15 minutes behind Tokyo right now, so midday in Tokyo lands in the morning in Kathmandu.

Convert a time

From

Date

Time

Converted time

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The converter needs JavaScript to run. Everything below — offsets, daylight saving dates and the hour-by-hour table — is part of the page and works without it.

Hour by hour

The whole day mapped across: read down the left for Tokyo, across for Kathmandu.

Tokyo	Kathmandu
00:00	20:45previous day
01:00	21:45previous day
02:00	22:45previous day
03:00	23:45previous day
04:00	00:45
05:00	01:45
06:00	02:45
07:00	03:45
08:00	04:45
09:00	05:45
10:00	06:45
11:00	07:45
12:00	08:45
13:00	09:45
14:00	10:45
15:00	11:45
16:00	12:45
17:00	13:45
18:00	14:45
19:00	15:45
20:00	16:45
21:00	17:45
22:00	18:45
23:00	19:45

Daylight saving time

Neither Tokyo nor Kathmandu changes its clocks, so the difference between them is the same every day of the year.

Tokyo

Does not observe daylight saving time

Standard: UTC+9

Kathmandu

Does not observe daylight saving time

Standard: UTC+5:45

When you can actually talk

You have 5 hours 45 minutes of shared working time: 12:15–18:00 in Tokyo, which is 09:00–14:45 in Kathmandu.

Tokyo 12:15–18:00Kathmandu 09:00–14:45

Reference

The zone identifiers and offsets behind everything above.

	Tokyo	Kathmandu
IANA zone	Asia/Tokyo	Asia/Kathmandu
Abbreviation	UTC+9	UTC+5:45
Standard offset	UTC+9	UTC+5:45
Daylight offset	—	—
Clock changes this year	0	0
Country	Japan	Nepal

Example, not the current time. Live times appear once the page loads.

Common questions

What is the time difference between Tokyo and Kathmandu?: Kathmandu is 3 hours 15 minutes behind Tokyo. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.
When is the best time to call Kathmandu from Tokyo?: Between 12:15–18:00 in Tokyo, which is 09:00–14:45 in Kathmandu. That is the only stretch where both cities are inside a 09:00–18:00 day.
Does Tokyo observe daylight saving time?: No. Tokyo stays on UTC+9 all year, so its clocks never move.
Does Kathmandu observe daylight saving time?: No. Kathmandu stays on UTC+5:45 all year, so its clocks never move.
If it is midday in Tokyo, what time is it in Kathmandu?: It is 08:45 in Kathmandu, on the same calendar date. That holds for the current offsets; it does not change through the year, because neither city moves its clocks.
Which time zones do Tokyo and Kathmandu use?: Tokyo uses Asia/Tokyo, currently UTC+9, and Kathmandu uses Asia/Kathmandu, currently UTC+5:45. Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.