Tokyo to Ulaanbaatar Time Converter
Ulaanbaatar is -1h behind Tokyo
Quick converter
Search any two cities
FROM
Tokyo
Japan
UTC+09:00
TO
Ulaanbaatar
Mongolia
UTC+08:00
Date-aware conversion
Convert a specific date and time
Result
Wed, May 27, 2026 17:21
Tokyo: Wednesday, May 27, 2026 6:21 PM GMT+9 to Ulaanbaatar: Wednesday, May 27, 2026 5:21 PM GMT+8.
Ulaanbaatar is 1h behind Tokyo on this date
24-Hour Comparison
Every hour in Tokyo and the corresponding time in Ulaanbaatar. Green rows indicate business hours in Ulaanbaatar.
Time zones
Tokyo uses Asia/Tokyo (GMT+9) and Ulaanbaatar 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 Ulaanbaatar. For teams across more cities, open the meeting planner and compare up to five locations.
Plan a meetingMeeting guidance
Best time for Tokyo and Ulaanbaatar
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.
Compare meeting hoursQuick examples
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 Ulaanbaatar
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.
Frequently Asked Questions
People also check