Ulaanbaatar, Mongolia Yerevan, Armenia

Ulaanbaatar is in the +08 timezone (UTC+8) and Yerevan is in the +04 timezone (UTC+4). The time difference between them is 4 hours.

Use the timeline above to find overlapping business hours between Ulaanbaatar and Yerevan. The "Best time to meet" card highlights the window where both cities are within working hours (9 AM – 6 PM local time).

Neither Ulaanbaatar nor Yerevan observes Daylight Saving Time, so the time difference remains constant throughout the year.

Click the pencil icon next to the Ulaanbaatar clock and type any time. The Yerevan clock will update instantly, showing the exact corresponding time. You can also pick a date to account for DST changes.