Tokyo to Ulan Bator Time Converter
Ulan Bator is -1h behind Tokyo
Quick converter
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FROM
Tokyo
Japan
UTC+09:00
TO
Ulan Bator
Mongolia
UTC+08:00
Date-aware conversion
Convert a specific date and time
Result
Tue, May 26, 2026 10:49
Tokyo: Tuesday, May 26, 2026 11:49 AM GMT+9 to Ulan Bator: Tuesday, May 26, 2026 10:49 AM GMT+8.
Ulan Bator is 1h behind Tokyo on this date
24-Hour Comparison
Every hour in Tokyo and the corresponding time in Ulan Bator. Green rows indicate business hours in Ulan Bator.
Time zones
Tokyo uses Asia/Tokyo (GMT+9) and Ulan Bator uses Asia/Ulaanbaatar (GMT+8). 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 Ulan Bator. For teams across more cities, open the meeting planner and compare up to five locations.
Plan a meetingMeeting guidance
Best time for Tokyo and Ulan Bator
The easiest overlap starts around 10:00 AM and runs through 5:00 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.
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City context
About these cities
About Tokyo
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.
About Ulan Bator
Ulan Bator 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 Ulan Bator time page for live clock and planning details.
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