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Tokyo is +1h ahead of Ulaanbaatar
Quick converter
FROM
Ulaanbaatar
Mongolia
UTC+08:00
TO
Tokyo
Japan
UTC+09:00
Date-aware conversion
Result
Thu, Jul 16, 2026 23:01
Ulaanbaatar: Thursday, July 16, 2026 10:01 PM GMT+8 to Tokyo: Thursday, July 16, 2026 11:01 PM GMT+9.
Tokyo is 1h ahead of Ulaanbaatar on this date
Every hour in Ulaanbaatar and the corresponding time in Tokyo. Green rows indicate business hours in Tokyo.
Time zones
Ulaanbaatar uses Asia/Ulaanbaatar (GMT+8) and Tokyo uses Asia/Tokyo (GMT+9). The difference can shift during daylight saving changes, so checking the exact date matters.
Best use
Use the green rows to spot normal working hours in Tokyo. For teams across more cities, open the meeting planner and compare up to five locations.
Plan a meetingMeeting guidance
The easiest overlap starts around 9:00 AM and runs through 4:00 PM in the source city, while the destination city is also inside normal working hours. For important calls, check the meeting date because the offset can change when either location enters or leaves daylight saving time.
Compare meeting hoursQuick examples
City context
Ulaanbaatar is located in Mongolia (Asia). It uses the Asia/Ulaanbaatar timezone with a standard offset of UTC+08:00. It observes DST, switching between ULAT and ULAST. See the full Ulaanbaatar time page for live clock and planning details.
Tokyo is located in Japan (Asia). It uses the Asia/Tokyo timezone with a standard offset of UTC+09:00. It does not observe Daylight Saving Time. See the full Tokyo time page for live clock and planning details.
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