Phoenix, United States Ulaanbaatar, Mongolia

Phoenix is in the MST timezone (UTC-7) and Ulaanbaatar is in the +08 timezone (UTC+8). The time difference between them is 15 hours.

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

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

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