Time difference between Tokyo and Lạng Sơn

Lạng Sơn is 2 hours behind Tokyo.

Asia/Tokyo Asia/Bangkok still the previous day

Local time in both cities

Tokyo · Japan
01:49
Friday, 13 November 2026
Asia/Tokyo · UTC+09:00
Lạng Sơn · Vietnam
23:49
Thursday, 12 November 2026
Asia/Bangkok · UTC+07:00

Lạng Sơn is 2 hours behind Tokyo.

still the previous day

Time zones

TokyoAsia/Tokyo · UTC+09:00
Lạng SơnAsia/Bangkok · UTC+07:00

Tokyo does not observe daylight saving and stays on UTC+09:00 all year.

Lạng Sơn does not observe daylight saving and stays on UTC+07:00 all year.

Hour-by-hour conversion

Calculated for 2026-11-13 local time in Tokyo. The two places start and end daylight saving on different dates, so another day can give a different result.

Tokyo (source) Lạng Sơn (target)
00:00 22:00 prev day
01:00 23:00 prev day
02:00 00:00
03:00 01:00
04:00 02:00
05:00 03:00
06:00 04:00
07:00 05:00
08:00 06:00
09:00 07:00
10:00 08:00
11:00 09:00
12:00 10:00
13:00 11:00
14:00 12:00
15:00 13:00
16:00 14:00
17:00 15:00
18:00 16:00
19:00 17:00
20:00 18:00
21:00 19:00
22:00 20:00
23:00 21:00

FAQ

How many hours apart are Tokyo and Lạng Sơn right now?
For Tokyo and Lạng Sơn, the current difference is -2:00, calculated from today’s time-zone rules. The page shows the local date in both cities on a 24-hour clock. Daylight-saving changes can alter the gap. Use specific-date mode for another day and check for a date rollover rather than carrying today’s offset forward. Verify the intended local date on each side before scheduling, especially when the conversion falls near midnight or the destination observes a different seasonal clock change.
Does the time difference between Tokyo and Lạng Sơn stay constant all year?
The gap between Tokyo and Lạng Sơn does not necessarily stay constant all year. If the two cities change daylight-saving time on different dates, their difference can vary; months 1 and 7 may show different results. Choose the intended date in specific-date mode and check the converted local date. Do not assume that 1 fixed offset applies for every day of the year, particularly when arranging future meetings or reviewing dates near seasonal clock changes.
How does the hourly table mark date changes and daylight-saving gaps from Tokyo to Lạng Sơn?
The hourly table for Tokyo and Lạng Sơn lists corresponding local times for each hour and marks the same instant and any date rollover. It covers 24 hourly slots across 2 cities; a local time skipped by a daylight-saving jump is identified instead of being invented. Check the date and the time zones on both sides when arranging a meeting. Shifting the displayed hour alone can give the wrong local date when the conversion crosses midnight.

Both cities